fidl_fuchsia_audio_device/

fidl_fuchsia_audio_device.rs

// WARNING: This file is machine generated by fidlgen.

#![warn(clippy::all)]
#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]

use bitflags::bitflags;
use fidl::client::QueryResponseFut;
use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
use fidl::endpoints::{ControlHandle as _, Responder as _};
pub use fidl_fuchsia_audio_device_common::*;
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

#[derive(Debug, Default, PartialEq)]
pub struct ControlCreateRingBufferRequest {
    /// The element ID for an `ENDPOINT` of type `RING_BUFFER`.
    ///
    /// Required.
    pub element_id: Option<u64>,
    /// Additional requirements about the actual ring buffer being created.
    ///
    /// Required.
    pub options: Option<RingBufferOptions>,
    /// The server_end of the `RingBuffer` to be created.
    ///
    /// Required.
    pub ring_buffer_server: Option<fidl::endpoints::ServerEnd<RingBufferMarker>>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ControlCreateRingBufferRequest
{
}

#[derive(Debug, Default, PartialEq)]
pub struct ControlCreatorCreateRequest {
    /// The token id for the device to be controlled.
    ///
    /// Required.
    pub token_id: Option<u64>,
    /// The server_end of the `Control` to be created.
    ///
    /// Required.
    pub control_server: Option<fidl::endpoints::ServerEnd<ControlMarker>>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ControlCreatorCreateRequest
{
}

#[derive(Debug, Default, PartialEq)]
pub struct ControlCreateRingBufferResponse {
    /// Properties about the ring buffer and active audio stream as created.
    pub properties: Option<RingBufferProperties>,
    /// An object that represents the audio stream and ring memory itself.
    /// Note: ring-buffer VMO memory ranges must be cache-invalidated before
    /// each read, and cache-flushed after each write.
    pub ring_buffer: Option<fidl_fuchsia_audio::RingBuffer>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ControlCreateRingBufferResponse
{
}

#[derive(Debug, Default, PartialEq)]
pub struct ObserverGetReferenceClockResponse {
    /// The device's reference clock.
    pub reference_clock: Option<fidl::Clock>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for ObserverGetReferenceClockResponse
{
}

#[derive(Debug, Default, PartialEq)]
pub struct ProviderAddDeviceRequest {
    /// The device's high-level name. Must not be an empty string.
    ///
    /// Required.
    pub device_name: Option<String>,
    /// Indicates the protocol used by the device.
    ///
    /// Required.
    pub device_type: Option<DeviceType>,
    /// The client_end of the protocol channel (Codec or Composite)
    /// that this service will use to configure/observe the device.
    ///
    /// Required.
    /// # Deprecation
    ///
    /// Codec is not supported anymore, instead use an
    /// [Audio Composite](https://fuchsia.dev/fuchsia-src/development/audio/drivers/composite)
    /// , see
    /// [Audio Drivers Architecture](https://fuchsia.dev/fuchsia-src/development/audio/drivers/architecture)
    pub driver_client: Option<DriverClient>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect> for ProviderAddDeviceRequest {}

#[derive(Debug, Default, PartialEq)]
pub struct RegistryCreateObserverRequest {
    /// The token of the device to be observed.
    ///
    /// Required.
    pub token_id: Option<u64>,
    /// The server end of the `Observer` that will be created.
    ///
    /// Required.
    pub observer_server: Option<fidl::endpoints::ServerEnd<ObserverMarker>>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect>
    for RegistryCreateObserverRequest
{
}

/// The protocol channel used to configure and observe a device.
/// # Deprecation
///
/// Codec drivers are not supported anymore, instead use an
/// [Audio Composite](https://fuchsia.dev/fuchsia-src/development/audio/drivers/composite), see
/// [Audio Drivers Architecture](https://fuchsia.dev/fuchsia-src/development/audio/drivers/architecture)
#[derive(Debug)]
pub enum DriverClient {
    /// Populated for drivers that use the `fuchsia_hardware_audio.Codec` interface.
    Codec(fidl::endpoints::ClientEnd<fidl_fuchsia_hardware_audio::CodecMarker>),
    /// Populated for drivers that use the `fuchsia_hardware_audio.Composite` interface.
    Composite(fidl::endpoints::ClientEnd<fidl_fuchsia_hardware_audio::CompositeMarker>),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

/// Pattern that matches an unknown `DriverClient` member.
#[macro_export]
macro_rules! DriverClientUnknown {
    () => {
        _
    };
}

// Custom PartialEq so that unknown variants are not equal to themselves.
impl PartialEq for DriverClient {
    fn eq(&self, other: &Self) -> bool {
        match (self, other) {
            (Self::Codec(x), Self::Codec(y)) => *x == *y,
            (Self::Composite(x), Self::Composite(y)) => *x == *y,
            _ => false,
        }
    }
}

impl DriverClient {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Codec(_) => 1,
            Self::Composite(_) => 2,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

    #[inline]
    pub fn unknown_variant_for_testing() -> Self {
        Self::__SourceBreaking { unknown_ordinal: 0 }
    }

    #[inline]
    pub fn is_unknown(&self) -> bool {
        match self {
            Self::__SourceBreaking { .. } => true,
            _ => false,
        }
    }
}

impl fidl::Standalone<fidl::encoding::DefaultFuchsiaResourceDialect> for DriverClient {}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ControlMarker;

impl fidl::endpoints::ProtocolMarker for ControlMarker {
    type Proxy = ControlProxy;
    type RequestStream = ControlRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ControlSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) Control";
}
pub type ControlCreateRingBufferResult =
    Result<ControlCreateRingBufferResponse, ControlCreateRingBufferError>;
pub type ControlSetDaiFormatResult = Result<ControlSetDaiFormatResponse, ControlSetDaiFormatError>;
pub type ControlCodecStartResult = Result<ControlCodecStartResponse, ControlCodecStartError>;
pub type ControlCodecStopResult = Result<ControlCodecStopResponse, ControlCodecStopError>;
pub type ControlResetResult = Result<ControlResetResponse, ControlResetError>;

pub trait ControlProxyInterface: Send + Sync {
    type GetElementsResponseFut: std::future::Future<
            Output = Result<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
                fidl::Error,
            >,
        > + Send;
    fn r#get_elements(&self) -> Self::GetElementsResponseFut;
    type WatchElementStateResponseFut: std::future::Future<
            Output = Result<
                fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
                fidl::Error,
            >,
        > + Send;
    fn r#watch_element_state(
        &self,
        processing_element_id: u64,
    ) -> Self::WatchElementStateResponseFut;
    type GetTopologiesResponseFut: std::future::Future<
            Output = Result<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
                fidl::Error,
            >,
        > + Send;
    fn r#get_topologies(&self) -> Self::GetTopologiesResponseFut;
    type WatchTopologyResponseFut: std::future::Future<Output = Result<u64, fidl::Error>> + Send;
    fn r#watch_topology(&self) -> Self::WatchTopologyResponseFut;
    type SetElementStateResponseFut: std::future::Future<
            Output = Result<
                fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateResult,
                fidl::Error,
            >,
        > + Send;
    fn r#set_element_state(
        &self,
        processing_element_id: u64,
        state: &fidl_fuchsia_hardware_audio_signalprocessing::SettableElementState,
    ) -> Self::SetElementStateResponseFut;
    type SetTopologyResponseFut: std::future::Future<
            Output = Result<
                fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyResult,
                fidl::Error,
            >,
        > + Send;
    fn r#set_topology(&self, topology_id: u64) -> Self::SetTopologyResponseFut;
    type CreateRingBufferResponseFut: std::future::Future<Output = Result<ControlCreateRingBufferResult, fidl::Error>>
        + Send;
    fn r#create_ring_buffer(
        &self,
        payload: ControlCreateRingBufferRequest,
    ) -> Self::CreateRingBufferResponseFut;
    type SetDaiFormatResponseFut: std::future::Future<Output = Result<ControlSetDaiFormatResult, fidl::Error>>
        + Send;
    fn r#set_dai_format(
        &self,
        payload: &ControlSetDaiFormatRequest,
    ) -> Self::SetDaiFormatResponseFut;
    type CodecStartResponseFut: std::future::Future<Output = Result<ControlCodecStartResult, fidl::Error>>
        + Send;
    fn r#codec_start(&self) -> Self::CodecStartResponseFut;
    type CodecStopResponseFut: std::future::Future<Output = Result<ControlCodecStopResult, fidl::Error>>
        + Send;
    fn r#codec_stop(&self) -> Self::CodecStopResponseFut;
    type ResetResponseFut: std::future::Future<Output = Result<ControlResetResult, fidl::Error>>
        + Send;
    fn r#reset(&self) -> Self::ResetResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ControlSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ControlSynchronousProxy {
    type Proxy = ControlProxy;
    type Protocol = ControlMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl ControlSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ControlMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(
        &self,
        deadline: zx::MonotonicInstant,
    ) -> Result<ControlEvent, fidl::Error> {
        ControlEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Returns a vector of supported processing elements.
    /// Must return one or more processing elements, or `ZX_ERR_NOT_SUPPORTED`.
    /// If `GetTopologies` returns one or more topologies, then `GetElements` must return one or
    /// more elements.
    pub fn r#get_elements(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult, fidl::Error>
    {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::ResultType<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResponse,
                i32,
            >>(
                (), 0x1b14ff4adf5dc6f8, fidl::encoding::DynamicFlags::empty(), ___deadline
            )?;
        Ok(_response.map(|x| x.processing_elements))
    }

    /// Get the processing element state via a hanging get.
    /// For a given `processing_element_id`, the driver will reply to the first `WatchElementState`
    /// sent by the client. The driver will not respond to subsequent client `WatchElementState`
    /// calls for a given `processing_element_id` until any field of the `Element` table changes
    /// from what was most recently reported for that `processing_element_id`.
    ///
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchElementState` for this client
    /// and processing_element_id.
    pub fn r#watch_element_state(
        &self,
        mut processing_element_id: u64,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<fidl_fuchsia_hardware_audio_signalprocessing::ElementState, fidl::Error> {
        let _response = self.client.send_query::<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateRequest,
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateResponse,
        >(
            (processing_element_id,),
            0x524da8772a69056f,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.state)
    }

    /// Returns a vector of supported topologies.
    /// Must return one or more topologies, or `ZX_ERR_NOT_SUPPORTED`.
    /// If more than one topology is returned, then the client may choose any of the topologies from
    /// the list with `SetTopology`.
    /// If only one topology is returned, then the topology definition is informational only since
    /// the one and only topology used can't be changed with `SetTopology`.
    /// If `GetElements` returns one or more elements, then `GetTopologies` must return one or
    /// more topologies.
    pub fn r#get_topologies(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult, fidl::Error>
    {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::ResultType<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResponse,
                i32,
            >>(
                (), 0x73ffb73af24d30b6, fidl::encoding::DynamicFlags::empty(), ___deadline
            )?;
        Ok(_response.map(|x| x.topologies))
    }

    /// Get the current topology via a hanging get.
    /// The driver will immediately reply to the first `WatchTopology` sent by each client. The
    /// driver will not respond to subsequent `WatchTopology` calls from that client until the
    /// signal-processing topology changes, which occurs as a result of a `SetTopology` call.
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchTopology` for this client.
    pub fn r#watch_topology(&self, ___deadline: zx::MonotonicInstant) -> Result<u64, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::FlexibleType<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchTopologyResponse,
            >>(
                (), 0x66d172acdb36a729, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
            )?
            .into_result::<ControlMarker>("watch_topology")?;
        Ok(_response.topology_id)
    }

    /// Controls a processing element using a unique ElementId returned by `GetElements`.
    /// Note that `SettableElementState` is a subset of `ElementState`, because some fields returned
    /// from `WatchElementState` (e.g. `latency`) can only be observed (not set) by the client.
    ///
    /// Returns `ZX_ERR_INVALID_ARGS` if the `processing_element_id` does not match an id returned
    /// by `GetElements` or the type of `SettableTypeSpecificElementState` does not
    /// match the `ElementType` of the processing element returned by
    /// `GetElements` for this id.
    /// The driver may return `ZX_ERR_INVALID_ARGS` if the `state` values are invalid, i.e. any
    /// of the values violates rules specified in this protocol, e.g. trying to change an
    /// `EQUALIZER` processing element's `EqualizerBandState` `frequency` when this processing
    /// element did not advertise `CAN_CONTROL_FREQUENCY` in its `supported_controls`.
    ///
    /// `SetElementState` may be called before or after non-`SignalProcessing` protocol
    /// calls. If called after non-`SignalProcessing` protocol calls then
    /// `SetElementState` may or may not require renegotiation of the driver state as
    /// reached with calls of the protocol composing `SignalProcessing`, e.g. `Dai`.
    /// For instance, `SetElementState` changing an `AGL` processing element's parameters
    /// may not require renegotiation of the `Dai` state because changing a gain parameter usually
    /// does not change the set of supported audio formats.
    /// By contrast, if `SetElementState` changes the parameters of a `CONNECTION_POINT`
    /// element, the change may require renegotiation because it may invalidate the set of
    /// supported formats returned in a previous `GetDaiFormats` `Dai` protocol call.
    ///
    /// It is the driver's job to determine when renegotiation is required. If renegotiation is
    /// required, then `SetElementState` must return `ZX_ERR_BAD_STATE` and the client must
    /// close the protocol channel such that the protocol negotiations are started over.
    /// The client then must make the `SetElementState` call that returned
    /// `ZX_ERR_BAD_STATE` before any non-`SignalProcessing` protocol calls.
    pub fn r#set_element_state(
        &self,
        mut processing_element_id: u64,
        mut state: &fidl_fuchsia_hardware_audio_signalprocessing::SettableElementState,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<
        fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateResult,
        fidl::Error,
    > {
        let _response = self.client.send_query::<
            fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
        >(
            (processing_element_id, state,),
            0x38c3b2d4bae698f4,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Sets the topology to be used using an id to the vector returned by `GetTopologies`.
    /// The current topology is communicated by `WatchTopology` responses. To change which topology
    /// is active, a client uses `SetTopology`.
    /// If the specified `topology_id` is not within the`topologies` returned by `GetTopologies`,
    /// this call will return `ZX_ERR_INVALID_ARGS`.
    /// If `GetTopologies` returns only one `Topology`, `SetTopology` is optional and has no effect.
    ///
    /// `SetTopology` may be called before or after non-`SignalProcessing` protocol calls.
    /// If called after non-`SignalProcessing` protocol calls, then `SetTopology` may return
    /// `ZX_ERR_BAD_STATE` to indicate that the operation can not proceed without renegotiation of
    /// the driver state. See `SetElementState` for further discussion.
    pub fn r#set_topology(
        &self,
        mut topology_id: u64,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<
        fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyResult,
        fidl::Error,
    > {
        let _response = self.client.send_query::<
            fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
        >(
            (topology_id,),
            0x1d9a7f9b8fee790c,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Create the ring buffer used to pass audio to/from this device. If the device is
    /// Composite, then the targeted RING_BUFFER ENDPOINT must be identified by `element_id`.
    ///
    /// Should only be called for Composite devices.
    pub fn r#create_ring_buffer(
        &self,
        mut payload: ControlCreateRingBufferRequest,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ControlCreateRingBufferResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<ControlCreateRingBufferRequest, fidl::encoding::FlexibleResultType<
                ControlCreateRingBufferResponse,
                ControlCreateRingBufferError,
            >>(
                &mut payload,
                0x7462941cedb333db,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                ___deadline,
            )?
            .into_result::<ControlMarker>("create_ring_buffer")?;
        Ok(_response.map(|x| x))
    }

    /// Set the wire format for the digital interconnect connected to this Codec endpoint.
    /// This method returns information related to the format that was set, including delay values.
    /// If the device is Composite, then the targeted DAI_INTERCONNECT ENDPOINT must be identified
    /// by `element_id`.
    ///
    /// Should only be called for Codec and Composite devices.
    pub fn r#set_dai_format(
        &self,
        mut payload: &ControlSetDaiFormatRequest,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ControlSetDaiFormatResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<ControlSetDaiFormatRequest, fidl::encoding::FlexibleResultType<
                ControlSetDaiFormatResponse,
                ControlSetDaiFormatError,
            >>(
                payload, 0x1d84f5a456a92216, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
            )?
            .into_result::<ControlMarker>("set_dai_format")?;
        Ok(_response.map(|x| x))
    }

    /// Start the Codec hardware. If successful, this returns after the Codec was started and
    /// `start_time` indicates the time when the hardware started. Note that the Codec's DaiFormat
    /// must be set (by a successful `SetDaiFormat` call) before calling this method.
    ///
    /// Should only be called for Codec devices.
    pub fn r#codec_start(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ControlCodecStartResult, fidl::Error> {
        let _response =
            self.client
                .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::FlexibleResultType<
                    ControlCodecStartResponse,
                    ControlCodecStartError,
                >>(
                    (), 0x2a90a9d2958b997b, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
                )?
                .into_result::<ControlMarker>("codec_start")?;
        Ok(_response.map(|x| x))
    }

    /// Stop the Codec hardware. If successful, this returns after the Codec was stopped and
    /// `stop_time` indicates the time when the hardware stopped. Note that the Codec's DaiFormat
    /// must be set (by a successful `SetDaiFormat` call) before calling this method.
    ///
    /// Should only be called for Codec devices.
    pub fn r#codec_stop(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ControlCodecStopResult, fidl::Error> {
        let _response = self.client.send_query::<
            fidl::encoding::EmptyPayload,
            fidl::encoding::FlexibleResultType<ControlCodecStopResponse, ControlCodecStopError>,
        >(
            (),
            0x387297bb6bcad25f,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<ControlMarker>("codec_stop")?;
        Ok(_response.map(|x| x))
    }

    /// Reset the hardware -- stopping the hardware, releasing any ring buffers, and clearing any
    /// DaiFormats or RingBufferFormats that were set.
    ///
    /// This method returns when the hardware reset is complete.
    /// After calling this method, the device is still controlled, but any ring buffers must be
    /// re-created and re-started.
    /// For devices with DAI_INTERCONNECTs (such as Codecs and some Composites), `SetDaiFormat` and
    /// `CodecStart` must be called again (in that order) to return the interconnect to the active
    /// operational mode.
    /// As applicable, `SetTopology` and `SetElementState` must also be called.
    ///
    /// Should only be called for Codec and Composite devices.
    pub fn r#reset(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ControlResetResult, fidl::Error> {
        let _response = self.client.send_query::<
            fidl::encoding::EmptyPayload,
            fidl::encoding::FlexibleResultType<ControlResetResponse, ControlResetError>,
        >(
            (),
            0x49840db00a698996,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<ControlMarker>("reset")?;
        Ok(_response.map(|x| x))
    }
}

#[derive(Debug, Clone)]
pub struct ControlProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for ControlProxy {
    type Protocol = ControlMarker;

    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl ControlProxy {
    /// Create a new Proxy for fuchsia.audio.device/Control.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ControlMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> ControlEventStream {
        ControlEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Returns a vector of supported processing elements.
    /// Must return one or more processing elements, or `ZX_ERR_NOT_SUPPORTED`.
    /// If `GetTopologies` returns one or more topologies, then `GetElements` must return one or
    /// more elements.
    pub fn r#get_elements(
        &self,
    ) -> fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#get_elements(self)
    }

    /// Get the processing element state via a hanging get.
    /// For a given `processing_element_id`, the driver will reply to the first `WatchElementState`
    /// sent by the client. The driver will not respond to subsequent client `WatchElementState`
    /// calls for a given `processing_element_id` until any field of the `Element` table changes
    /// from what was most recently reported for that `processing_element_id`.
    ///
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchElementState` for this client
    /// and processing_element_id.
    pub fn r#watch_element_state(
        &self,
        mut processing_element_id: u64,
    ) -> fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#watch_element_state(self, processing_element_id)
    }

    /// Returns a vector of supported topologies.
    /// Must return one or more topologies, or `ZX_ERR_NOT_SUPPORTED`.
    /// If more than one topology is returned, then the client may choose any of the topologies from
    /// the list with `SetTopology`.
    /// If only one topology is returned, then the topology definition is informational only since
    /// the one and only topology used can't be changed with `SetTopology`.
    /// If `GetElements` returns one or more elements, then `GetTopologies` must return one or
    /// more topologies.
    pub fn r#get_topologies(
        &self,
    ) -> fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#get_topologies(self)
    }

    /// Get the current topology via a hanging get.
    /// The driver will immediately reply to the first `WatchTopology` sent by each client. The
    /// driver will not respond to subsequent `WatchTopology` calls from that client until the
    /// signal-processing topology changes, which occurs as a result of a `SetTopology` call.
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchTopology` for this client.
    pub fn r#watch_topology(
        &self,
    ) -> fidl::client::QueryResponseFut<u64, fidl::encoding::DefaultFuchsiaResourceDialect> {
        ControlProxyInterface::r#watch_topology(self)
    }

    /// Controls a processing element using a unique ElementId returned by `GetElements`.
    /// Note that `SettableElementState` is a subset of `ElementState`, because some fields returned
    /// from `WatchElementState` (e.g. `latency`) can only be observed (not set) by the client.
    ///
    /// Returns `ZX_ERR_INVALID_ARGS` if the `processing_element_id` does not match an id returned
    /// by `GetElements` or the type of `SettableTypeSpecificElementState` does not
    /// match the `ElementType` of the processing element returned by
    /// `GetElements` for this id.
    /// The driver may return `ZX_ERR_INVALID_ARGS` if the `state` values are invalid, i.e. any
    /// of the values violates rules specified in this protocol, e.g. trying to change an
    /// `EQUALIZER` processing element's `EqualizerBandState` `frequency` when this processing
    /// element did not advertise `CAN_CONTROL_FREQUENCY` in its `supported_controls`.
    ///
    /// `SetElementState` may be called before or after non-`SignalProcessing` protocol
    /// calls. If called after non-`SignalProcessing` protocol calls then
    /// `SetElementState` may or may not require renegotiation of the driver state as
    /// reached with calls of the protocol composing `SignalProcessing`, e.g. `Dai`.
    /// For instance, `SetElementState` changing an `AGL` processing element's parameters
    /// may not require renegotiation of the `Dai` state because changing a gain parameter usually
    /// does not change the set of supported audio formats.
    /// By contrast, if `SetElementState` changes the parameters of a `CONNECTION_POINT`
    /// element, the change may require renegotiation because it may invalidate the set of
    /// supported formats returned in a previous `GetDaiFormats` `Dai` protocol call.
    ///
    /// It is the driver's job to determine when renegotiation is required. If renegotiation is
    /// required, then `SetElementState` must return `ZX_ERR_BAD_STATE` and the client must
    /// close the protocol channel such that the protocol negotiations are started over.
    /// The client then must make the `SetElementState` call that returned
    /// `ZX_ERR_BAD_STATE` before any non-`SignalProcessing` protocol calls.
    pub fn r#set_element_state(
        &self,
        mut processing_element_id: u64,
        mut state: &fidl_fuchsia_hardware_audio_signalprocessing::SettableElementState,
    ) -> fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#set_element_state(self, processing_element_id, state)
    }

    /// Sets the topology to be used using an id to the vector returned by `GetTopologies`.
    /// The current topology is communicated by `WatchTopology` responses. To change which topology
    /// is active, a client uses `SetTopology`.
    /// If the specified `topology_id` is not within the`topologies` returned by `GetTopologies`,
    /// this call will return `ZX_ERR_INVALID_ARGS`.
    /// If `GetTopologies` returns only one `Topology`, `SetTopology` is optional and has no effect.
    ///
    /// `SetTopology` may be called before or after non-`SignalProcessing` protocol calls.
    /// If called after non-`SignalProcessing` protocol calls, then `SetTopology` may return
    /// `ZX_ERR_BAD_STATE` to indicate that the operation can not proceed without renegotiation of
    /// the driver state. See `SetElementState` for further discussion.
    pub fn r#set_topology(
        &self,
        mut topology_id: u64,
    ) -> fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#set_topology(self, topology_id)
    }

    /// Create the ring buffer used to pass audio to/from this device. If the device is
    /// Composite, then the targeted RING_BUFFER ENDPOINT must be identified by `element_id`.
    ///
    /// Should only be called for Composite devices.
    pub fn r#create_ring_buffer(
        &self,
        mut payload: ControlCreateRingBufferRequest,
    ) -> fidl::client::QueryResponseFut<
        ControlCreateRingBufferResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#create_ring_buffer(self, payload)
    }

    /// Set the wire format for the digital interconnect connected to this Codec endpoint.
    /// This method returns information related to the format that was set, including delay values.
    /// If the device is Composite, then the targeted DAI_INTERCONNECT ENDPOINT must be identified
    /// by `element_id`.
    ///
    /// Should only be called for Codec and Composite devices.
    pub fn r#set_dai_format(
        &self,
        mut payload: &ControlSetDaiFormatRequest,
    ) -> fidl::client::QueryResponseFut<
        ControlSetDaiFormatResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#set_dai_format(self, payload)
    }

    /// Start the Codec hardware. If successful, this returns after the Codec was started and
    /// `start_time` indicates the time when the hardware started. Note that the Codec's DaiFormat
    /// must be set (by a successful `SetDaiFormat` call) before calling this method.
    ///
    /// Should only be called for Codec devices.
    pub fn r#codec_start(
        &self,
    ) -> fidl::client::QueryResponseFut<
        ControlCodecStartResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#codec_start(self)
    }

    /// Stop the Codec hardware. If successful, this returns after the Codec was stopped and
    /// `stop_time` indicates the time when the hardware stopped. Note that the Codec's DaiFormat
    /// must be set (by a successful `SetDaiFormat` call) before calling this method.
    ///
    /// Should only be called for Codec devices.
    pub fn r#codec_stop(
        &self,
    ) -> fidl::client::QueryResponseFut<
        ControlCodecStopResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#codec_stop(self)
    }

    /// Reset the hardware -- stopping the hardware, releasing any ring buffers, and clearing any
    /// DaiFormats or RingBufferFormats that were set.
    ///
    /// This method returns when the hardware reset is complete.
    /// After calling this method, the device is still controlled, but any ring buffers must be
    /// re-created and re-started.
    /// For devices with DAI_INTERCONNECTs (such as Codecs and some Composites), `SetDaiFormat` and
    /// `CodecStart` must be called again (in that order) to return the interconnect to the active
    /// operational mode.
    /// As applicable, `SetTopology` and `SetElementState` must also be called.
    ///
    /// Should only be called for Codec and Composite devices.
    pub fn r#reset(
        &self,
    ) -> fidl::client::QueryResponseFut<
        ControlResetResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlProxyInterface::r#reset(self)
    }
}

impl ControlProxyInterface for ControlProxy {
    type GetElementsResponseFut = fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_elements(&self) -> Self::GetElementsResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
            fidl::Error,
        > {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<
                    fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResponse,
                    i32,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x1b14ff4adf5dc6f8,
            >(_buf?)?;
            Ok(_response.map(|x| x.processing_elements))
        }
        self.client.send_query_and_decode::<
            fidl::encoding::EmptyPayload,
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
        >(
            (),
            0x1b14ff4adf5dc6f8,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type WatchElementStateResponseFut = fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#watch_element_state(
        &self,
        mut processing_element_id: u64,
    ) -> Self::WatchElementStateResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<fidl_fuchsia_hardware_audio_signalprocessing::ElementState, fidl::Error>
        {
            let _response = fidl::client::decode_transaction_body::<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateResponse,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x524da8772a69056f,
            >(_buf?)?;
            Ok(_response.state)
        }
        self.client.send_query_and_decode::<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateRequest,
            fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
        >(
            (processing_element_id,),
            0x524da8772a69056f,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type GetTopologiesResponseFut = fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_topologies(&self) -> Self::GetTopologiesResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
            fidl::Error,
        > {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<
                    fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResponse,
                    i32,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x73ffb73af24d30b6,
            >(_buf?)?;
            Ok(_response.map(|x| x.topologies))
        }
        self.client.send_query_and_decode::<
            fidl::encoding::EmptyPayload,
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
        >(
            (),
            0x73ffb73af24d30b6,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type WatchTopologyResponseFut =
        fidl::client::QueryResponseFut<u64, fidl::encoding::DefaultFuchsiaResourceDialect>;
    fn r#watch_topology(&self) -> Self::WatchTopologyResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<u64, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleType<
                    fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchTopologyResponse,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x66d172acdb36a729,
            >(_buf?)?
            .into_result::<ControlMarker>("watch_topology")?;
            Ok(_response.topology_id)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, u64>(
            (),
            0x66d172acdb36a729,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type SetElementStateResponseFut = fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#set_element_state(
        &self,
        mut processing_element_id: u64,
        mut state: &fidl_fuchsia_hardware_audio_signalprocessing::SettableElementState,
    ) -> Self::SetElementStateResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<
            fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateResult,
            fidl::Error,
        > {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x38c3b2d4bae698f4,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateRequest,
            fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateResult,
        >(
            (processing_element_id, state,),
            0x38c3b2d4bae698f4,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type SetTopologyResponseFut = fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#set_topology(&self, mut topology_id: u64) -> Self::SetTopologyResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<
            fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyResult,
            fidl::Error,
        > {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x1d9a7f9b8fee790c,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyRequest,
            fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyResult,
        >(
            (topology_id,),
            0x1d9a7f9b8fee790c,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type CreateRingBufferResponseFut = fidl::client::QueryResponseFut<
        ControlCreateRingBufferResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#create_ring_buffer(
        &self,
        mut payload: ControlCreateRingBufferRequest,
    ) -> Self::CreateRingBufferResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ControlCreateRingBufferResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    ControlCreateRingBufferResponse,
                    ControlCreateRingBufferError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x7462941cedb333db,
            >(_buf?)?
            .into_result::<ControlMarker>("create_ring_buffer")?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<ControlCreateRingBufferRequest, ControlCreateRingBufferResult>(
                &mut payload,
                0x7462941cedb333db,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                _decode,
            )
    }

    type SetDaiFormatResponseFut = fidl::client::QueryResponseFut<
        ControlSetDaiFormatResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#set_dai_format(
        &self,
        mut payload: &ControlSetDaiFormatRequest,
    ) -> Self::SetDaiFormatResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ControlSetDaiFormatResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    ControlSetDaiFormatResponse,
                    ControlSetDaiFormatError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x1d84f5a456a92216,
            >(_buf?)?
            .into_result::<ControlMarker>("set_dai_format")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<ControlSetDaiFormatRequest, ControlSetDaiFormatResult>(
            payload,
            0x1d84f5a456a92216,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type CodecStartResponseFut = fidl::client::QueryResponseFut<
        ControlCodecStartResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#codec_start(&self) -> Self::CodecStartResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ControlCodecStartResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    ControlCodecStartResponse,
                    ControlCodecStartError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x2a90a9d2958b997b,
            >(_buf?)?
            .into_result::<ControlMarker>("codec_start")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, ControlCodecStartResult>(
            (),
            0x2a90a9d2958b997b,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type CodecStopResponseFut = fidl::client::QueryResponseFut<
        ControlCodecStopResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#codec_stop(&self) -> Self::CodecStopResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ControlCodecStopResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<ControlCodecStopResponse, ControlCodecStopError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x387297bb6bcad25f,
            >(_buf?)?
            .into_result::<ControlMarker>("codec_stop")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, ControlCodecStopResult>(
            (),
            0x387297bb6bcad25f,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type ResetResponseFut = fidl::client::QueryResponseFut<
        ControlResetResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#reset(&self) -> Self::ResetResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ControlResetResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<ControlResetResponse, ControlResetError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x49840db00a698996,
            >(_buf?)?
            .into_result::<ControlMarker>("reset")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, ControlResetResult>(
            (),
            0x49840db00a698996,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }
}

pub struct ControlEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl std::marker::Unpin for ControlEventStream {}

impl futures::stream::FusedStream for ControlEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for ControlEventStream {
    type Item = Result<ControlEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(ControlEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum ControlEvent {
    #[non_exhaustive]
    _UnknownEvent {
        /// Ordinal of the event that was sent.
        ordinal: u64,
    },
}

impl ControlEvent {
    /// Decodes a message buffer as a [`ControlEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ControlEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
                Ok(ControlEvent::_UnknownEvent { ordinal: tx_header.ordinal })
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <ControlMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.audio.device/Control.
pub struct ControlRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for ControlRequestStream {}

impl futures::stream::FusedStream for ControlRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for ControlRequestStream {
    type Protocol = ControlMarker;
    type ControlHandle = ControlControlHandle;

    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        ControlControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for ControlRequestStream {
    type Item = Result<ControlRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled ControlRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(e)) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))))
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x1b14ff4adf5dc6f8 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::GetElements {
                            responder: ControlGetElementsResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x524da8772a69056f => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateRequest, fidl::encoding::DefaultFuchsiaResourceDialect);
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::WatchElementState {
                            processing_element_id: req.processing_element_id,

                            responder: ControlWatchElementStateResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x73ffb73af24d30b6 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::GetTopologies {
                            responder: ControlGetTopologiesResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x66d172acdb36a729 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::WatchTopology {
                            responder: ControlWatchTopologyResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x38c3b2d4bae698f4 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateRequest, fidl::encoding::DefaultFuchsiaResourceDialect);
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetElementStateRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::SetElementState {
                            processing_element_id: req.processing_element_id,
                            state: req.state,

                            responder: ControlSetElementStateResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x1d9a7f9b8fee790c => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyRequest, fidl::encoding::DefaultFuchsiaResourceDialect);
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl_fuchsia_hardware_audio_signalprocessing::SignalProcessingSetTopologyRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::SetTopology {
                            topology_id: req.topology_id,

                            responder: ControlSetTopologyResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x7462941cedb333db => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ControlCreateRingBufferRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ControlCreateRingBufferRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::CreateRingBuffer {
                            payload: req,
                            responder: ControlCreateRingBufferResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x1d84f5a456a92216 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ControlSetDaiFormatRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ControlSetDaiFormatRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::SetDaiFormat {
                            payload: req,
                            responder: ControlSetDaiFormatResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x2a90a9d2958b997b => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::CodecStart {
                            responder: ControlCodecStartResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x387297bb6bcad25f => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::CodecStop {
                            responder: ControlCodecStopResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x49840db00a698996 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ControlControlHandle { inner: this.inner.clone() };
                        Ok(ControlRequest::Reset {
                            responder: ControlResetResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ if header.tx_id == 0
                        && header
                            .dynamic_flags()
                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        Ok(ControlRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ControlControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::OneWay,
                        })
                    }
                    _ if header
                        .dynamic_flags()
                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        this.inner.send_framework_err(
                            fidl::encoding::FrameworkErr::UnknownMethod,
                            header.tx_id,
                            header.ordinal,
                            header.dynamic_flags(),
                            (bytes, handles),
                        )?;
                        Ok(ControlRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ControlControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::TwoWay,
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ControlMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// A `Control` instance is used to change the settings or state of an audio
/// device. It also creates the ring buffer used to pass audio data between
/// client and device. Each `Control` is associated with an initialized audio
/// device; conversely each device is associated with either zero or one
/// `Control` at any time.
#[derive(Debug)]
pub enum ControlRequest {
    /// Returns a vector of supported processing elements.
    /// Must return one or more processing elements, or `ZX_ERR_NOT_SUPPORTED`.
    /// If `GetTopologies` returns one or more topologies, then `GetElements` must return one or
    /// more elements.
    GetElements { responder: ControlGetElementsResponder },
    /// Get the processing element state via a hanging get.
    /// For a given `processing_element_id`, the driver will reply to the first `WatchElementState`
    /// sent by the client. The driver will not respond to subsequent client `WatchElementState`
    /// calls for a given `processing_element_id` until any field of the `Element` table changes
    /// from what was most recently reported for that `processing_element_id`.
    ///
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchElementState` for this client
    /// and processing_element_id.
    WatchElementState { processing_element_id: u64, responder: ControlWatchElementStateResponder },
    /// Returns a vector of supported topologies.
    /// Must return one or more topologies, or `ZX_ERR_NOT_SUPPORTED`.
    /// If more than one topology is returned, then the client may choose any of the topologies from
    /// the list with `SetTopology`.
    /// If only one topology is returned, then the topology definition is informational only since
    /// the one and only topology used can't be changed with `SetTopology`.
    /// If `GetElements` returns one or more elements, then `GetTopologies` must return one or
    /// more topologies.
    GetTopologies { responder: ControlGetTopologiesResponder },
    /// Get the current topology via a hanging get.
    /// The driver will immediately reply to the first `WatchTopology` sent by each client. The
    /// driver will not respond to subsequent `WatchTopology` calls from that client until the
    /// signal-processing topology changes, which occurs as a result of a `SetTopology` call.
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchTopology` for this client.
    WatchTopology { responder: ControlWatchTopologyResponder },
    /// Controls a processing element using a unique ElementId returned by `GetElements`.
    /// Note that `SettableElementState` is a subset of `ElementState`, because some fields returned
    /// from `WatchElementState` (e.g. `latency`) can only be observed (not set) by the client.
    ///
    /// Returns `ZX_ERR_INVALID_ARGS` if the `processing_element_id` does not match an id returned
    /// by `GetElements` or the type of `SettableTypeSpecificElementState` does not
    /// match the `ElementType` of the processing element returned by
    /// `GetElements` for this id.
    /// The driver may return `ZX_ERR_INVALID_ARGS` if the `state` values are invalid, i.e. any
    /// of the values violates rules specified in this protocol, e.g. trying to change an
    /// `EQUALIZER` processing element's `EqualizerBandState` `frequency` when this processing
    /// element did not advertise `CAN_CONTROL_FREQUENCY` in its `supported_controls`.
    ///
    /// `SetElementState` may be called before or after non-`SignalProcessing` protocol
    /// calls. If called after non-`SignalProcessing` protocol calls then
    /// `SetElementState` may or may not require renegotiation of the driver state as
    /// reached with calls of the protocol composing `SignalProcessing`, e.g. `Dai`.
    /// For instance, `SetElementState` changing an `AGL` processing element's parameters
    /// may not require renegotiation of the `Dai` state because changing a gain parameter usually
    /// does not change the set of supported audio formats.
    /// By contrast, if `SetElementState` changes the parameters of a `CONNECTION_POINT`
    /// element, the change may require renegotiation because it may invalidate the set of
    /// supported formats returned in a previous `GetDaiFormats` `Dai` protocol call.
    ///
    /// It is the driver's job to determine when renegotiation is required. If renegotiation is
    /// required, then `SetElementState` must return `ZX_ERR_BAD_STATE` and the client must
    /// close the protocol channel such that the protocol negotiations are started over.
    /// The client then must make the `SetElementState` call that returned
    /// `ZX_ERR_BAD_STATE` before any non-`SignalProcessing` protocol calls.
    SetElementState {
        processing_element_id: u64,
        state: fidl_fuchsia_hardware_audio_signalprocessing::SettableElementState,
        responder: ControlSetElementStateResponder,
    },
    /// Sets the topology to be used using an id to the vector returned by `GetTopologies`.
    /// The current topology is communicated by `WatchTopology` responses. To change which topology
    /// is active, a client uses `SetTopology`.
    /// If the specified `topology_id` is not within the`topologies` returned by `GetTopologies`,
    /// this call will return `ZX_ERR_INVALID_ARGS`.
    /// If `GetTopologies` returns only one `Topology`, `SetTopology` is optional and has no effect.
    ///
    /// `SetTopology` may be called before or after non-`SignalProcessing` protocol calls.
    /// If called after non-`SignalProcessing` protocol calls, then `SetTopology` may return
    /// `ZX_ERR_BAD_STATE` to indicate that the operation can not proceed without renegotiation of
    /// the driver state. See `SetElementState` for further discussion.
    SetTopology { topology_id: u64, responder: ControlSetTopologyResponder },
    /// Create the ring buffer used to pass audio to/from this device. If the device is
    /// Composite, then the targeted RING_BUFFER ENDPOINT must be identified by `element_id`.
    ///
    /// Should only be called for Composite devices.
    CreateRingBuffer {
        payload: ControlCreateRingBufferRequest,
        responder: ControlCreateRingBufferResponder,
    },
    /// Set the wire format for the digital interconnect connected to this Codec endpoint.
    /// This method returns information related to the format that was set, including delay values.
    /// If the device is Composite, then the targeted DAI_INTERCONNECT ENDPOINT must be identified
    /// by `element_id`.
    ///
    /// Should only be called for Codec and Composite devices.
    SetDaiFormat { payload: ControlSetDaiFormatRequest, responder: ControlSetDaiFormatResponder },
    /// Start the Codec hardware. If successful, this returns after the Codec was started and
    /// `start_time` indicates the time when the hardware started. Note that the Codec's DaiFormat
    /// must be set (by a successful `SetDaiFormat` call) before calling this method.
    ///
    /// Should only be called for Codec devices.
    CodecStart { responder: ControlCodecStartResponder },
    /// Stop the Codec hardware. If successful, this returns after the Codec was stopped and
    /// `stop_time` indicates the time when the hardware stopped. Note that the Codec's DaiFormat
    /// must be set (by a successful `SetDaiFormat` call) before calling this method.
    ///
    /// Should only be called for Codec devices.
    CodecStop { responder: ControlCodecStopResponder },
    /// Reset the hardware -- stopping the hardware, releasing any ring buffers, and clearing any
    /// DaiFormats or RingBufferFormats that were set.
    ///
    /// This method returns when the hardware reset is complete.
    /// After calling this method, the device is still controlled, but any ring buffers must be
    /// re-created and re-started.
    /// For devices with DAI_INTERCONNECTs (such as Codecs and some Composites), `SetDaiFormat` and
    /// `CodecStart` must be called again (in that order) to return the interconnect to the active
    /// operational mode.
    /// As applicable, `SetTopology` and `SetElementState` must also be called.
    ///
    /// Should only be called for Codec and Composite devices.
    Reset { responder: ControlResetResponder },
    /// An interaction was received which does not match any known method.
    #[non_exhaustive]
    _UnknownMethod {
        /// Ordinal of the method that was called.
        ordinal: u64,
        control_handle: ControlControlHandle,
        method_type: fidl::MethodType,
    },
}

impl ControlRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_elements(self) -> Option<(ControlGetElementsResponder)> {
        if let ControlRequest::GetElements { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_element_state(self) -> Option<(u64, ControlWatchElementStateResponder)> {
        if let ControlRequest::WatchElementState { processing_element_id, responder } = self {
            Some((processing_element_id, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_get_topologies(self) -> Option<(ControlGetTopologiesResponder)> {
        if let ControlRequest::GetTopologies { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_topology(self) -> Option<(ControlWatchTopologyResponder)> {
        if let ControlRequest::WatchTopology { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_set_element_state(
        self,
    ) -> Option<(
        u64,
        fidl_fuchsia_hardware_audio_signalprocessing::SettableElementState,
        ControlSetElementStateResponder,
    )> {
        if let ControlRequest::SetElementState { processing_element_id, state, responder } = self {
            Some((processing_element_id, state, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_set_topology(self) -> Option<(u64, ControlSetTopologyResponder)> {
        if let ControlRequest::SetTopology { topology_id, responder } = self {
            Some((topology_id, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_create_ring_buffer(
        self,
    ) -> Option<(ControlCreateRingBufferRequest, ControlCreateRingBufferResponder)> {
        if let ControlRequest::CreateRingBuffer { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_set_dai_format(
        self,
    ) -> Option<(ControlSetDaiFormatRequest, ControlSetDaiFormatResponder)> {
        if let ControlRequest::SetDaiFormat { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_codec_start(self) -> Option<(ControlCodecStartResponder)> {
        if let ControlRequest::CodecStart { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_codec_stop(self) -> Option<(ControlCodecStopResponder)> {
        if let ControlRequest::CodecStop { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_reset(self) -> Option<(ControlResetResponder)> {
        if let ControlRequest::Reset { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ControlRequest::GetElements { .. } => "get_elements",
            ControlRequest::WatchElementState { .. } => "watch_element_state",
            ControlRequest::GetTopologies { .. } => "get_topologies",
            ControlRequest::WatchTopology { .. } => "watch_topology",
            ControlRequest::SetElementState { .. } => "set_element_state",
            ControlRequest::SetTopology { .. } => "set_topology",
            ControlRequest::CreateRingBuffer { .. } => "create_ring_buffer",
            ControlRequest::SetDaiFormat { .. } => "set_dai_format",
            ControlRequest::CodecStart { .. } => "codec_start",
            ControlRequest::CodecStop { .. } => "codec_stop",
            ControlRequest::Reset { .. } => "reset",
            ControlRequest::_UnknownMethod { method_type: fidl::MethodType::OneWay, .. } => {
                "unknown one-way method"
            }
            ControlRequest::_UnknownMethod { method_type: fidl::MethodType::TwoWay, .. } => {
                "unknown two-way method"
            }
        }
    }
}

#[derive(Debug, Clone)]
pub struct ControlControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
}

impl fidl::endpoints::ControlHandle for ControlControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }
    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl ControlControlHandle {}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlGetElementsResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlGetElementsResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlGetElementsResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlGetElementsResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Element], i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Element], i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Element], i32>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResponse,
            i32,
        >>(
            result.map(|processing_elements| (processing_elements,)),
            self.tx_id,
            0x1b14ff4adf5dc6f8,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlWatchElementStateResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlWatchElementStateResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlWatchElementStateResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlWatchElementStateResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut state: &fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(state);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut state: &fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(state);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut state: &fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
    ) -> Result<(), fidl::Error> {
        self.control_handle
            .inner
            .send::<fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateResponse>(
            (state,),
            self.tx_id,
            0x524da8772a69056f,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlGetTopologiesResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlGetTopologiesResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlGetTopologiesResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlGetTopologiesResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Topology], i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Topology], i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Topology], i32>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResponse,
            i32,
        >>(
            result.map(|topologies| (topologies,)),
            self.tx_id,
            0x73ffb73af24d30b6,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlWatchTopologyResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlWatchTopologyResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlWatchTopologyResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlWatchTopologyResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut topology_id: u64) -> Result<(), fidl::Error> {
        let _result = self.send_raw(topology_id);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(self, mut topology_id: u64) -> Result<(), fidl::Error> {
        let _result = self.send_raw(topology_id);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut topology_id: u64) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleType<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchTopologyResponse,
        >>(
            fidl::encoding::Flexible::new((topology_id,)),
            self.tx_id,
            0x66d172acdb36a729,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlSetElementStateResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlSetElementStateResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlSetElementStateResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlSetElementStateResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<(), i32>) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(self, mut result: Result<(), i32>) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut result: Result<(), i32>) -> Result<(), fidl::Error> {
        self.control_handle
            .inner
            .send::<fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>>(
                result,
                self.tx_id,
                0x38c3b2d4bae698f4,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlSetTopologyResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlSetTopologyResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlSetTopologyResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlSetTopologyResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<(), i32>) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(self, mut result: Result<(), i32>) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut result: Result<(), i32>) -> Result<(), fidl::Error> {
        self.control_handle
            .inner
            .send::<fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>>(
                result,
                self.tx_id,
                0x1d9a7f9b8fee790c,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlCreateRingBufferResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlCreateRingBufferResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlCreateRingBufferResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlCreateRingBufferResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<ControlCreateRingBufferResponse, ControlCreateRingBufferError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<ControlCreateRingBufferResponse, ControlCreateRingBufferError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<ControlCreateRingBufferResponse, ControlCreateRingBufferError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            ControlCreateRingBufferResponse,
            ControlCreateRingBufferError,
        >>(
            fidl::encoding::FlexibleResult::new(result.as_mut().map_err(|e| *e)),
            self.tx_id,
            0x7462941cedb333db,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlSetDaiFormatResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlSetDaiFormatResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlSetDaiFormatResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlSetDaiFormatResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&ControlSetDaiFormatResponse, ControlSetDaiFormatError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&ControlSetDaiFormatResponse, ControlSetDaiFormatError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&ControlSetDaiFormatResponse, ControlSetDaiFormatError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            ControlSetDaiFormatResponse,
            ControlSetDaiFormatError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x1d84f5a456a92216,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlCodecStartResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlCodecStartResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlCodecStartResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlCodecStartResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&ControlCodecStartResponse, ControlCodecStartError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&ControlCodecStartResponse, ControlCodecStartError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&ControlCodecStartResponse, ControlCodecStartError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            ControlCodecStartResponse,
            ControlCodecStartError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x2a90a9d2958b997b,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlCodecStopResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlCodecStopResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlCodecStopResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlCodecStopResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&ControlCodecStopResponse, ControlCodecStopError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&ControlCodecStopResponse, ControlCodecStopError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&ControlCodecStopResponse, ControlCodecStopError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            ControlCodecStopResponse,
            ControlCodecStopError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x387297bb6bcad25f,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlResetResponder {
    control_handle: std::mem::ManuallyDrop<ControlControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlResetResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlResetResponder {
    type ControlHandle = ControlControlHandle;

    fn control_handle(&self) -> &ControlControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlResetResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&ControlResetResponse, ControlResetError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&ControlResetResponse, ControlResetError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&ControlResetResponse, ControlResetError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            ControlResetResponse,
            ControlResetError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x49840db00a698996,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ControlCreatorMarker;

impl fidl::endpoints::ProtocolMarker for ControlCreatorMarker {
    type Proxy = ControlCreatorProxy;
    type RequestStream = ControlCreatorRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ControlCreatorSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.audio.device.ControlCreator";
}
impl fidl::endpoints::DiscoverableProtocolMarker for ControlCreatorMarker {}
pub type ControlCreatorCreateResult = Result<ControlCreatorCreateResponse, ControlCreatorError>;

pub trait ControlCreatorProxyInterface: Send + Sync {
    type CreateResponseFut: std::future::Future<Output = Result<ControlCreatorCreateResult, fidl::Error>>
        + Send;
    fn r#create(&self, payload: ControlCreatorCreateRequest) -> Self::CreateResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ControlCreatorSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ControlCreatorSynchronousProxy {
    type Proxy = ControlCreatorProxy;
    type Protocol = ControlCreatorMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl ControlCreatorSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ControlCreatorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(
        &self,
        deadline: zx::MonotonicInstant,
    ) -> Result<ControlCreatorEvent, fidl::Error> {
        ControlCreatorEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Create a `Control` for the specified device.
    pub fn r#create(
        &self,
        mut payload: ControlCreatorCreateRequest,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ControlCreatorCreateResult, fidl::Error> {
        let _response =
            self.client
                .send_query::<ControlCreatorCreateRequest, fidl::encoding::FlexibleResultType<
                    ControlCreatorCreateResponse,
                    ControlCreatorError,
                >>(
                    &mut payload,
                    0x341bdc9f49103a31,
                    fidl::encoding::DynamicFlags::FLEXIBLE,
                    ___deadline,
                )?
                .into_result::<ControlCreatorMarker>("create")?;
        Ok(_response.map(|x| x))
    }
}

#[derive(Debug, Clone)]
pub struct ControlCreatorProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for ControlCreatorProxy {
    type Protocol = ControlCreatorMarker;

    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl ControlCreatorProxy {
    /// Create a new Proxy for fuchsia.audio.device/ControlCreator.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ControlCreatorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> ControlCreatorEventStream {
        ControlCreatorEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Create a `Control` for the specified device.
    pub fn r#create(
        &self,
        mut payload: ControlCreatorCreateRequest,
    ) -> fidl::client::QueryResponseFut<
        ControlCreatorCreateResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ControlCreatorProxyInterface::r#create(self, payload)
    }
}

impl ControlCreatorProxyInterface for ControlCreatorProxy {
    type CreateResponseFut = fidl::client::QueryResponseFut<
        ControlCreatorCreateResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#create(&self, mut payload: ControlCreatorCreateRequest) -> Self::CreateResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ControlCreatorCreateResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    ControlCreatorCreateResponse,
                    ControlCreatorError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x341bdc9f49103a31,
            >(_buf?)?
            .into_result::<ControlCreatorMarker>("create")?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<ControlCreatorCreateRequest, ControlCreatorCreateResult>(
                &mut payload,
                0x341bdc9f49103a31,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                _decode,
            )
    }
}

pub struct ControlCreatorEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl std::marker::Unpin for ControlCreatorEventStream {}

impl futures::stream::FusedStream for ControlCreatorEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for ControlCreatorEventStream {
    type Item = Result<ControlCreatorEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(ControlCreatorEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum ControlCreatorEvent {
    #[non_exhaustive]
    _UnknownEvent {
        /// Ordinal of the event that was sent.
        ordinal: u64,
    },
}

impl ControlCreatorEvent {
    /// Decodes a message buffer as a [`ControlCreatorEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ControlCreatorEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
                Ok(ControlCreatorEvent::_UnknownEvent { ordinal: tx_header.ordinal })
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name:
                    <ControlCreatorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.audio.device/ControlCreator.
pub struct ControlCreatorRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for ControlCreatorRequestStream {}

impl futures::stream::FusedStream for ControlCreatorRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for ControlCreatorRequestStream {
    type Protocol = ControlCreatorMarker;
    type ControlHandle = ControlCreatorControlHandle;

    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        ControlCreatorControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for ControlCreatorRequestStream {
    type Item = Result<ControlCreatorRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled ControlCreatorRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(e)) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))))
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x341bdc9f49103a31 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ControlCreatorCreateRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ControlCreatorCreateRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            ControlCreatorControlHandle { inner: this.inner.clone() };
                        Ok(ControlCreatorRequest::Create {
                            payload: req,
                            responder: ControlCreatorCreateResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ if header.tx_id == 0
                        && header
                            .dynamic_flags()
                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        Ok(ControlCreatorRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ControlCreatorControlHandle {
                                inner: this.inner.clone(),
                            },
                            method_type: fidl::MethodType::OneWay,
                        })
                    }
                    _ if header
                        .dynamic_flags()
                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        this.inner.send_framework_err(
                            fidl::encoding::FrameworkErr::UnknownMethod,
                            header.tx_id,
                            header.ordinal,
                            header.dynamic_flags(),
                            (bytes, handles),
                        )?;
                        Ok(ControlCreatorRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ControlCreatorControlHandle {
                                inner: this.inner.clone(),
                            },
                            method_type: fidl::MethodType::TwoWay,
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ControlCreatorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// A `ControlCreator` interface creates `Control` instances. Each `Control` binds
/// to a single device. A device can only be bound to one `Control` at any time.
#[derive(Debug)]
pub enum ControlCreatorRequest {
    /// Create a `Control` for the specified device.
    Create { payload: ControlCreatorCreateRequest, responder: ControlCreatorCreateResponder },
    /// An interaction was received which does not match any known method.
    #[non_exhaustive]
    _UnknownMethod {
        /// Ordinal of the method that was called.
        ordinal: u64,
        control_handle: ControlCreatorControlHandle,
        method_type: fidl::MethodType,
    },
}

impl ControlCreatorRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_create(
        self,
    ) -> Option<(ControlCreatorCreateRequest, ControlCreatorCreateResponder)> {
        if let ControlCreatorRequest::Create { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ControlCreatorRequest::Create { .. } => "create",
            ControlCreatorRequest::_UnknownMethod {
                method_type: fidl::MethodType::OneWay, ..
            } => "unknown one-way method",
            ControlCreatorRequest::_UnknownMethod {
                method_type: fidl::MethodType::TwoWay, ..
            } => "unknown two-way method",
        }
    }
}

#[derive(Debug, Clone)]
pub struct ControlCreatorControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
}

impl fidl::endpoints::ControlHandle for ControlCreatorControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }
    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl ControlCreatorControlHandle {}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ControlCreatorCreateResponder {
    control_handle: std::mem::ManuallyDrop<ControlCreatorControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ControlCreatorControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ControlCreatorCreateResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ControlCreatorCreateResponder {
    type ControlHandle = ControlCreatorControlHandle;

    fn control_handle(&self) -> &ControlCreatorControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ControlCreatorCreateResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&ControlCreatorCreateResponse, ControlCreatorError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&ControlCreatorCreateResponse, ControlCreatorError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&ControlCreatorCreateResponse, ControlCreatorError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            ControlCreatorCreateResponse,
            ControlCreatorError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x341bdc9f49103a31,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ObserverMarker;

impl fidl::endpoints::ProtocolMarker for ObserverMarker {
    type Proxy = ObserverProxy;
    type RequestStream = ObserverRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ObserverSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) Observer";
}
pub type ObserverWatchPlugStateResult =
    Result<ObserverWatchPlugStateResponse, ObserverWatchPlugStateError>;
pub type ObserverGetReferenceClockResult =
    Result<ObserverGetReferenceClockResponse, ObserverGetReferenceClockError>;

pub trait ObserverProxyInterface: Send + Sync {
    type GetElementsResponseFut: std::future::Future<
            Output = Result<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
                fidl::Error,
            >,
        > + Send;
    fn r#get_elements(&self) -> Self::GetElementsResponseFut;
    type WatchElementStateResponseFut: std::future::Future<
            Output = Result<
                fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
                fidl::Error,
            >,
        > + Send;
    fn r#watch_element_state(
        &self,
        processing_element_id: u64,
    ) -> Self::WatchElementStateResponseFut;
    type GetTopologiesResponseFut: std::future::Future<
            Output = Result<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
                fidl::Error,
            >,
        > + Send;
    fn r#get_topologies(&self) -> Self::GetTopologiesResponseFut;
    type WatchTopologyResponseFut: std::future::Future<Output = Result<u64, fidl::Error>> + Send;
    fn r#watch_topology(&self) -> Self::WatchTopologyResponseFut;
    type WatchPlugStateResponseFut: std::future::Future<Output = Result<ObserverWatchPlugStateResult, fidl::Error>>
        + Send;
    fn r#watch_plug_state(&self) -> Self::WatchPlugStateResponseFut;
    type GetReferenceClockResponseFut: std::future::Future<Output = Result<ObserverGetReferenceClockResult, fidl::Error>>
        + Send;
    fn r#get_reference_clock(&self) -> Self::GetReferenceClockResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ObserverSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ObserverSynchronousProxy {
    type Proxy = ObserverProxy;
    type Protocol = ObserverMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl ObserverSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ObserverMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(
        &self,
        deadline: zx::MonotonicInstant,
    ) -> Result<ObserverEvent, fidl::Error> {
        ObserverEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Returns a vector of supported processing elements.
    /// Must return one or more processing elements, or `ZX_ERR_NOT_SUPPORTED`.
    /// If `GetTopologies` returns one or more topologies, then `GetElements` must return one or
    /// more elements.
    pub fn r#get_elements(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult, fidl::Error>
    {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::ResultType<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResponse,
                i32,
            >>(
                (), 0x1b14ff4adf5dc6f8, fidl::encoding::DynamicFlags::empty(), ___deadline
            )?;
        Ok(_response.map(|x| x.processing_elements))
    }

    /// Get the processing element state via a hanging get.
    /// For a given `processing_element_id`, the driver will reply to the first `WatchElementState`
    /// sent by the client. The driver will not respond to subsequent client `WatchElementState`
    /// calls for a given `processing_element_id` until any field of the `Element` table changes
    /// from what was most recently reported for that `processing_element_id`.
    ///
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchElementState` for this client
    /// and processing_element_id.
    pub fn r#watch_element_state(
        &self,
        mut processing_element_id: u64,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<fidl_fuchsia_hardware_audio_signalprocessing::ElementState, fidl::Error> {
        let _response = self.client.send_query::<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateRequest,
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateResponse,
        >(
            (processing_element_id,),
            0x524da8772a69056f,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.state)
    }

    /// Returns a vector of supported topologies.
    /// Must return one or more topologies, or `ZX_ERR_NOT_SUPPORTED`.
    /// If more than one topology is returned, then the client may choose any of the topologies from
    /// the list with `SetTopology`.
    /// If only one topology is returned, then the topology definition is informational only since
    /// the one and only topology used can't be changed with `SetTopology`.
    /// If `GetElements` returns one or more elements, then `GetTopologies` must return one or
    /// more topologies.
    pub fn r#get_topologies(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult, fidl::Error>
    {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::ResultType<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResponse,
                i32,
            >>(
                (), 0x73ffb73af24d30b6, fidl::encoding::DynamicFlags::empty(), ___deadline
            )?;
        Ok(_response.map(|x| x.topologies))
    }

    /// Get the current topology via a hanging get.
    /// The driver will immediately reply to the first `WatchTopology` sent by each client. The
    /// driver will not respond to subsequent `WatchTopology` calls from that client until the
    /// signal-processing topology changes, which occurs as a result of a `SetTopology` call.
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchTopology` for this client.
    pub fn r#watch_topology(&self, ___deadline: zx::MonotonicInstant) -> Result<u64, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::FlexibleType<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchTopologyResponse,
            >>(
                (), 0x66d172acdb36a729, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
            )?
            .into_result::<ObserverMarker>("watch_topology")?;
        Ok(_response.topology_id)
    }

    /// Request notification of any change to the device's plug state. When
    /// called for the first time, it will return immediately.
    ///
    /// Should only be called for Codec devices.
    pub fn r#watch_plug_state(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ObserverWatchPlugStateResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::FlexibleResultType<
                ObserverWatchPlugStateResponse,
                ObserverWatchPlugStateError,
            >>(
                (), 0x6312bce495d2907a, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
            )?
            .into_result::<ObserverMarker>("watch_plug_state")?;
        Ok(_response.map(|x| x))
    }

    /// Retrieve the device's reference clock.
    ///
    /// This clock will be in the domain specified in the device's `Info` table.
    ///
    /// Should only be called for Composite devices.
    pub fn r#get_reference_clock(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ObserverGetReferenceClockResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::FlexibleResultType<
                ObserverGetReferenceClockResponse,
                ObserverGetReferenceClockError,
            >>(
                (), 0x3819c5e0f9574c39, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
            )?
            .into_result::<ObserverMarker>("get_reference_clock")?;
        Ok(_response.map(|x| x))
    }
}

#[derive(Debug, Clone)]
pub struct ObserverProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for ObserverProxy {
    type Protocol = ObserverMarker;

    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl ObserverProxy {
    /// Create a new Proxy for fuchsia.audio.device/Observer.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ObserverMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> ObserverEventStream {
        ObserverEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Returns a vector of supported processing elements.
    /// Must return one or more processing elements, or `ZX_ERR_NOT_SUPPORTED`.
    /// If `GetTopologies` returns one or more topologies, then `GetElements` must return one or
    /// more elements.
    pub fn r#get_elements(
        &self,
    ) -> fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ObserverProxyInterface::r#get_elements(self)
    }

    /// Get the processing element state via a hanging get.
    /// For a given `processing_element_id`, the driver will reply to the first `WatchElementState`
    /// sent by the client. The driver will not respond to subsequent client `WatchElementState`
    /// calls for a given `processing_element_id` until any field of the `Element` table changes
    /// from what was most recently reported for that `processing_element_id`.
    ///
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchElementState` for this client
    /// and processing_element_id.
    pub fn r#watch_element_state(
        &self,
        mut processing_element_id: u64,
    ) -> fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ObserverProxyInterface::r#watch_element_state(self, processing_element_id)
    }

    /// Returns a vector of supported topologies.
    /// Must return one or more topologies, or `ZX_ERR_NOT_SUPPORTED`.
    /// If more than one topology is returned, then the client may choose any of the topologies from
    /// the list with `SetTopology`.
    /// If only one topology is returned, then the topology definition is informational only since
    /// the one and only topology used can't be changed with `SetTopology`.
    /// If `GetElements` returns one or more elements, then `GetTopologies` must return one or
    /// more topologies.
    pub fn r#get_topologies(
        &self,
    ) -> fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ObserverProxyInterface::r#get_topologies(self)
    }

    /// Get the current topology via a hanging get.
    /// The driver will immediately reply to the first `WatchTopology` sent by each client. The
    /// driver will not respond to subsequent `WatchTopology` calls from that client until the
    /// signal-processing topology changes, which occurs as a result of a `SetTopology` call.
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchTopology` for this client.
    pub fn r#watch_topology(
        &self,
    ) -> fidl::client::QueryResponseFut<u64, fidl::encoding::DefaultFuchsiaResourceDialect> {
        ObserverProxyInterface::r#watch_topology(self)
    }

    /// Request notification of any change to the device's plug state. When
    /// called for the first time, it will return immediately.
    ///
    /// Should only be called for Codec devices.
    pub fn r#watch_plug_state(
        &self,
    ) -> fidl::client::QueryResponseFut<
        ObserverWatchPlugStateResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ObserverProxyInterface::r#watch_plug_state(self)
    }

    /// Retrieve the device's reference clock.
    ///
    /// This clock will be in the domain specified in the device's `Info` table.
    ///
    /// Should only be called for Composite devices.
    pub fn r#get_reference_clock(
        &self,
    ) -> fidl::client::QueryResponseFut<
        ObserverGetReferenceClockResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ObserverProxyInterface::r#get_reference_clock(self)
    }
}

impl ObserverProxyInterface for ObserverProxy {
    type GetElementsResponseFut = fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_elements(&self) -> Self::GetElementsResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
            fidl::Error,
        > {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<
                    fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResponse,
                    i32,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x1b14ff4adf5dc6f8,
            >(_buf?)?;
            Ok(_response.map(|x| x.processing_elements))
        }
        self.client.send_query_and_decode::<
            fidl::encoding::EmptyPayload,
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResult,
        >(
            (),
            0x1b14ff4adf5dc6f8,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type WatchElementStateResponseFut = fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#watch_element_state(
        &self,
        mut processing_element_id: u64,
    ) -> Self::WatchElementStateResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<fidl_fuchsia_hardware_audio_signalprocessing::ElementState, fidl::Error>
        {
            let _response = fidl::client::decode_transaction_body::<
                fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateResponse,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x524da8772a69056f,
            >(_buf?)?;
            Ok(_response.state)
        }
        self.client.send_query_and_decode::<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateRequest,
            fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
        >(
            (processing_element_id,),
            0x524da8772a69056f,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type GetTopologiesResponseFut = fidl::client::QueryResponseFut<
        fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_topologies(&self) -> Self::GetTopologiesResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
            fidl::Error,
        > {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<
                    fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResponse,
                    i32,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x73ffb73af24d30b6,
            >(_buf?)?;
            Ok(_response.map(|x| x.topologies))
        }
        self.client.send_query_and_decode::<
            fidl::encoding::EmptyPayload,
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResult,
        >(
            (),
            0x73ffb73af24d30b6,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type WatchTopologyResponseFut =
        fidl::client::QueryResponseFut<u64, fidl::encoding::DefaultFuchsiaResourceDialect>;
    fn r#watch_topology(&self) -> Self::WatchTopologyResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<u64, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleType<
                    fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchTopologyResponse,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x66d172acdb36a729,
            >(_buf?)?
            .into_result::<ObserverMarker>("watch_topology")?;
            Ok(_response.topology_id)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, u64>(
            (),
            0x66d172acdb36a729,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type WatchPlugStateResponseFut = fidl::client::QueryResponseFut<
        ObserverWatchPlugStateResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#watch_plug_state(&self) -> Self::WatchPlugStateResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ObserverWatchPlugStateResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    ObserverWatchPlugStateResponse,
                    ObserverWatchPlugStateError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x6312bce495d2907a,
            >(_buf?)?
            .into_result::<ObserverMarker>("watch_plug_state")?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<fidl::encoding::EmptyPayload, ObserverWatchPlugStateResult>(
                (),
                0x6312bce495d2907a,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                _decode,
            )
    }

    type GetReferenceClockResponseFut = fidl::client::QueryResponseFut<
        ObserverGetReferenceClockResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_reference_clock(&self) -> Self::GetReferenceClockResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ObserverGetReferenceClockResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    ObserverGetReferenceClockResponse,
                    ObserverGetReferenceClockError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x3819c5e0f9574c39,
            >(_buf?)?
            .into_result::<ObserverMarker>("get_reference_clock")?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<fidl::encoding::EmptyPayload, ObserverGetReferenceClockResult>(
                (),
                0x3819c5e0f9574c39,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                _decode,
            )
    }
}

pub struct ObserverEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl std::marker::Unpin for ObserverEventStream {}

impl futures::stream::FusedStream for ObserverEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for ObserverEventStream {
    type Item = Result<ObserverEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(ObserverEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum ObserverEvent {
    #[non_exhaustive]
    _UnknownEvent {
        /// Ordinal of the event that was sent.
        ordinal: u64,
    },
}

impl ObserverEvent {
    /// Decodes a message buffer as a [`ObserverEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ObserverEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
                Ok(ObserverEvent::_UnknownEvent { ordinal: tx_header.ordinal })
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <ObserverMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.audio.device/Observer.
pub struct ObserverRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for ObserverRequestStream {}

impl futures::stream::FusedStream for ObserverRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for ObserverRequestStream {
    type Protocol = ObserverMarker;
    type ControlHandle = ObserverControlHandle;

    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        ObserverControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for ObserverRequestStream {
    type Item = Result<ObserverRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled ObserverRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(e)) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))))
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x1b14ff4adf5dc6f8 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ObserverControlHandle { inner: this.inner.clone() };
                        Ok(ObserverRequest::GetElements {
                            responder: ObserverGetElementsResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x524da8772a69056f => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateRequest, fidl::encoding::DefaultFuchsiaResourceDialect);
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ObserverControlHandle { inner: this.inner.clone() };
                        Ok(ObserverRequest::WatchElementState {
                            processing_element_id: req.processing_element_id,

                            responder: ObserverWatchElementStateResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x73ffb73af24d30b6 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ObserverControlHandle { inner: this.inner.clone() };
                        Ok(ObserverRequest::GetTopologies {
                            responder: ObserverGetTopologiesResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x66d172acdb36a729 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ObserverControlHandle { inner: this.inner.clone() };
                        Ok(ObserverRequest::WatchTopology {
                            responder: ObserverWatchTopologyResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x6312bce495d2907a => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ObserverControlHandle { inner: this.inner.clone() };
                        Ok(ObserverRequest::WatchPlugState {
                            responder: ObserverWatchPlugStateResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x3819c5e0f9574c39 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ObserverControlHandle { inner: this.inner.clone() };
                        Ok(ObserverRequest::GetReferenceClock {
                            responder: ObserverGetReferenceClockResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ if header.tx_id == 0
                        && header
                            .dynamic_flags()
                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        Ok(ObserverRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ObserverControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::OneWay,
                        })
                    }
                    _ if header
                        .dynamic_flags()
                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        this.inner.send_framework_err(
                            fidl::encoding::FrameworkErr::UnknownMethod,
                            header.tx_id,
                            header.ordinal,
                            header.dynamic_flags(),
                            (bytes, handles),
                        )?;
                        Ok(ObserverRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ObserverControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::TwoWay,
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ObserverMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// `Observer` instances are used to learn the capabilities and state of an
/// audio device, and to stay informed as its state changes over time. Each
/// `Observer` is associated with an initialized audio device. An audio device
/// may be observed by multiple `Observer` instances.
#[derive(Debug)]
pub enum ObserverRequest {
    /// Returns a vector of supported processing elements.
    /// Must return one or more processing elements, or `ZX_ERR_NOT_SUPPORTED`.
    /// If `GetTopologies` returns one or more topologies, then `GetElements` must return one or
    /// more elements.
    GetElements { responder: ObserverGetElementsResponder },
    /// Get the processing element state via a hanging get.
    /// For a given `processing_element_id`, the driver will reply to the first `WatchElementState`
    /// sent by the client. The driver will not respond to subsequent client `WatchElementState`
    /// calls for a given `processing_element_id` until any field of the `Element` table changes
    /// from what was most recently reported for that `processing_element_id`.
    ///
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchElementState` for this client
    /// and processing_element_id.
    WatchElementState { processing_element_id: u64, responder: ObserverWatchElementStateResponder },
    /// Returns a vector of supported topologies.
    /// Must return one or more topologies, or `ZX_ERR_NOT_SUPPORTED`.
    /// If more than one topology is returned, then the client may choose any of the topologies from
    /// the list with `SetTopology`.
    /// If only one topology is returned, then the topology definition is informational only since
    /// the one and only topology used can't be changed with `SetTopology`.
    /// If `GetElements` returns one or more elements, then `GetTopologies` must return one or
    /// more topologies.
    GetTopologies { responder: ObserverGetTopologiesResponder },
    /// Get the current topology via a hanging get.
    /// The driver will immediately reply to the first `WatchTopology` sent by each client. The
    /// driver will not respond to subsequent `WatchTopology` calls from that client until the
    /// signal-processing topology changes, which occurs as a result of a `SetTopology` call.
    /// The driver will close the protocol channel with an error of `ZX_ERR_BAD_STATE`, if this
    /// method is called again while there is already a pending `WatchTopology` for this client.
    WatchTopology { responder: ObserverWatchTopologyResponder },
    /// Request notification of any change to the device's plug state. When
    /// called for the first time, it will return immediately.
    ///
    /// Should only be called for Codec devices.
    WatchPlugState { responder: ObserverWatchPlugStateResponder },
    /// Retrieve the device's reference clock.
    ///
    /// This clock will be in the domain specified in the device's `Info` table.
    ///
    /// Should only be called for Composite devices.
    GetReferenceClock { responder: ObserverGetReferenceClockResponder },
    /// An interaction was received which does not match any known method.
    #[non_exhaustive]
    _UnknownMethod {
        /// Ordinal of the method that was called.
        ordinal: u64,
        control_handle: ObserverControlHandle,
        method_type: fidl::MethodType,
    },
}

impl ObserverRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_elements(self) -> Option<(ObserverGetElementsResponder)> {
        if let ObserverRequest::GetElements { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_element_state(self) -> Option<(u64, ObserverWatchElementStateResponder)> {
        if let ObserverRequest::WatchElementState { processing_element_id, responder } = self {
            Some((processing_element_id, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_get_topologies(self) -> Option<(ObserverGetTopologiesResponder)> {
        if let ObserverRequest::GetTopologies { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_topology(self) -> Option<(ObserverWatchTopologyResponder)> {
        if let ObserverRequest::WatchTopology { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_plug_state(self) -> Option<(ObserverWatchPlugStateResponder)> {
        if let ObserverRequest::WatchPlugState { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_get_reference_clock(self) -> Option<(ObserverGetReferenceClockResponder)> {
        if let ObserverRequest::GetReferenceClock { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ObserverRequest::GetElements { .. } => "get_elements",
            ObserverRequest::WatchElementState { .. } => "watch_element_state",
            ObserverRequest::GetTopologies { .. } => "get_topologies",
            ObserverRequest::WatchTopology { .. } => "watch_topology",
            ObserverRequest::WatchPlugState { .. } => "watch_plug_state",
            ObserverRequest::GetReferenceClock { .. } => "get_reference_clock",
            ObserverRequest::_UnknownMethod { method_type: fidl::MethodType::OneWay, .. } => {
                "unknown one-way method"
            }
            ObserverRequest::_UnknownMethod { method_type: fidl::MethodType::TwoWay, .. } => {
                "unknown two-way method"
            }
        }
    }
}

#[derive(Debug, Clone)]
pub struct ObserverControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
}

impl fidl::endpoints::ControlHandle for ObserverControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }
    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl ObserverControlHandle {}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ObserverGetElementsResponder {
    control_handle: std::mem::ManuallyDrop<ObserverControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ObserverControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ObserverGetElementsResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ObserverGetElementsResponder {
    type ControlHandle = ObserverControlHandle;

    fn control_handle(&self) -> &ObserverControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ObserverGetElementsResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Element], i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Element], i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Element], i32>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetElementsResponse,
            i32,
        >>(
            result.map(|processing_elements| (processing_elements,)),
            self.tx_id,
            0x1b14ff4adf5dc6f8,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ObserverWatchElementStateResponder {
    control_handle: std::mem::ManuallyDrop<ObserverControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ObserverControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ObserverWatchElementStateResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ObserverWatchElementStateResponder {
    type ControlHandle = ObserverControlHandle;

    fn control_handle(&self) -> &ObserverControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ObserverWatchElementStateResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut state: &fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(state);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut state: &fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(state);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut state: &fidl_fuchsia_hardware_audio_signalprocessing::ElementState,
    ) -> Result<(), fidl::Error> {
        self.control_handle
            .inner
            .send::<fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchElementStateResponse>(
            (state,),
            self.tx_id,
            0x524da8772a69056f,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ObserverGetTopologiesResponder {
    control_handle: std::mem::ManuallyDrop<ObserverControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ObserverControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ObserverGetTopologiesResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ObserverGetTopologiesResponder {
    type ControlHandle = ObserverControlHandle;

    fn control_handle(&self) -> &ObserverControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ObserverGetTopologiesResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Topology], i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Topology], i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&[fidl_fuchsia_hardware_audio_signalprocessing::Topology], i32>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderGetTopologiesResponse,
            i32,
        >>(
            result.map(|topologies| (topologies,)),
            self.tx_id,
            0x73ffb73af24d30b6,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ObserverWatchTopologyResponder {
    control_handle: std::mem::ManuallyDrop<ObserverControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ObserverControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ObserverWatchTopologyResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ObserverWatchTopologyResponder {
    type ControlHandle = ObserverControlHandle;

    fn control_handle(&self) -> &ObserverControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ObserverWatchTopologyResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut topology_id: u64) -> Result<(), fidl::Error> {
        let _result = self.send_raw(topology_id);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(self, mut topology_id: u64) -> Result<(), fidl::Error> {
        let _result = self.send_raw(topology_id);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut topology_id: u64) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleType<
            fidl_fuchsia_hardware_audio_signalprocessing::ReaderWatchTopologyResponse,
        >>(
            fidl::encoding::Flexible::new((topology_id,)),
            self.tx_id,
            0x66d172acdb36a729,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ObserverWatchPlugStateResponder {
    control_handle: std::mem::ManuallyDrop<ObserverControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ObserverControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ObserverWatchPlugStateResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ObserverWatchPlugStateResponder {
    type ControlHandle = ObserverControlHandle;

    fn control_handle(&self) -> &ObserverControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ObserverWatchPlugStateResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&ObserverWatchPlugStateResponse, ObserverWatchPlugStateError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&ObserverWatchPlugStateResponse, ObserverWatchPlugStateError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&ObserverWatchPlugStateResponse, ObserverWatchPlugStateError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            ObserverWatchPlugStateResponse,
            ObserverWatchPlugStateError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x6312bce495d2907a,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ObserverGetReferenceClockResponder {
    control_handle: std::mem::ManuallyDrop<ObserverControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ObserverControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ObserverGetReferenceClockResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ObserverGetReferenceClockResponder {
    type ControlHandle = ObserverControlHandle;

    fn control_handle(&self) -> &ObserverControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ObserverGetReferenceClockResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<ObserverGetReferenceClockResponse, ObserverGetReferenceClockError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<ObserverGetReferenceClockResponse, ObserverGetReferenceClockError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<ObserverGetReferenceClockResponse, ObserverGetReferenceClockError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            ObserverGetReferenceClockResponse,
            ObserverGetReferenceClockError,
        >>(
            fidl::encoding::FlexibleResult::new(result.as_mut().map_err(|e| *e)),
            self.tx_id,
            0x3819c5e0f9574c39,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct ProviderMarker;

impl fidl::endpoints::ProtocolMarker for ProviderMarker {
    type Proxy = ProviderProxy;
    type RequestStream = ProviderRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ProviderSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.audio.device.Provider";
}
impl fidl::endpoints::DiscoverableProtocolMarker for ProviderMarker {}
pub type ProviderAddDeviceResult = Result<ProviderAddDeviceResponse, ProviderAddDeviceError>;

pub trait ProviderProxyInterface: Send + Sync {
    type AddDeviceResponseFut: std::future::Future<Output = Result<ProviderAddDeviceResult, fidl::Error>>
        + Send;
    fn r#add_device(&self, payload: ProviderAddDeviceRequest) -> Self::AddDeviceResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ProviderSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ProviderSynchronousProxy {
    type Proxy = ProviderProxy;
    type Protocol = ProviderMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl ProviderSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(
        &self,
        deadline: zx::MonotonicInstant,
    ) -> Result<ProviderEvent, fidl::Error> {
        ProviderEvent::decode(self.client.wait_for_event(deadline)?)
    }

    pub fn r#add_device(
        &self,
        mut payload: ProviderAddDeviceRequest,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ProviderAddDeviceResult, fidl::Error> {
        let _response =
            self.client
                .send_query::<ProviderAddDeviceRequest, fidl::encoding::FlexibleResultType<
                    ProviderAddDeviceResponse,
                    ProviderAddDeviceError,
                >>(
                    &mut payload,
                    0x685fdfd91937758b,
                    fidl::encoding::DynamicFlags::FLEXIBLE,
                    ___deadline,
                )?
                .into_result::<ProviderMarker>("add_device")?;
        Ok(_response.map(|x| x))
    }
}

#[derive(Debug, Clone)]
pub struct ProviderProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for ProviderProxy {
    type Protocol = ProviderMarker;

    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl ProviderProxy {
    /// Create a new Proxy for fuchsia.audio.device/Provider.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> ProviderEventStream {
        ProviderEventStream { event_receiver: self.client.take_event_receiver() }
    }

    pub fn r#add_device(
        &self,
        mut payload: ProviderAddDeviceRequest,
    ) -> fidl::client::QueryResponseFut<
        ProviderAddDeviceResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ProviderProxyInterface::r#add_device(self, payload)
    }
}

impl ProviderProxyInterface for ProviderProxy {
    type AddDeviceResponseFut = fidl::client::QueryResponseFut<
        ProviderAddDeviceResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#add_device(&self, mut payload: ProviderAddDeviceRequest) -> Self::AddDeviceResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ProviderAddDeviceResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    ProviderAddDeviceResponse,
                    ProviderAddDeviceError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x685fdfd91937758b,
            >(_buf?)?
            .into_result::<ProviderMarker>("add_device")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<ProviderAddDeviceRequest, ProviderAddDeviceResult>(
            &mut payload,
            0x685fdfd91937758b,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }
}

pub struct ProviderEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl std::marker::Unpin for ProviderEventStream {}

impl futures::stream::FusedStream for ProviderEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for ProviderEventStream {
    type Item = Result<ProviderEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(ProviderEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum ProviderEvent {
    #[non_exhaustive]
    _UnknownEvent {
        /// Ordinal of the event that was sent.
        ordinal: u64,
    },
}

impl ProviderEvent {
    /// Decodes a message buffer as a [`ProviderEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ProviderEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
                Ok(ProviderEvent::_UnknownEvent { ordinal: tx_header.ordinal })
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <ProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.audio.device/Provider.
pub struct ProviderRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for ProviderRequestStream {}

impl futures::stream::FusedStream for ProviderRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for ProviderRequestStream {
    type Protocol = ProviderMarker;
    type ControlHandle = ProviderControlHandle;

    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        ProviderControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for ProviderRequestStream {
    type Item = Result<ProviderRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled ProviderRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(e)) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))))
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x685fdfd91937758b => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ProviderAddDeviceRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ProviderAddDeviceRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ProviderControlHandle { inner: this.inner.clone() };
                        Ok(ProviderRequest::AddDevice {
                            payload: req,
                            responder: ProviderAddDeviceResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ if header.tx_id == 0
                        && header
                            .dynamic_flags()
                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        Ok(ProviderRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ProviderControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::OneWay,
                        })
                    }
                    _ if header
                        .dynamic_flags()
                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        this.inner.send_framework_err(
                            fidl::encoding::FrameworkErr::UnknownMethod,
                            header.tx_id,
                            header.ordinal,
                            header.dynamic_flags(),
                            (bytes, handles),
                        )?;
                        Ok(ProviderRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: ProviderControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::TwoWay,
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// Use the `Provider` interface to manually add devices that do not use the devfs
/// mechanism. (Devices that use devfs are automatically added, upon detection.)
#[derive(Debug)]
pub enum ProviderRequest {
    AddDevice {
        payload: ProviderAddDeviceRequest,
        responder: ProviderAddDeviceResponder,
    },
    /// An interaction was received which does not match any known method.
    #[non_exhaustive]
    _UnknownMethod {
        /// Ordinal of the method that was called.
        ordinal: u64,
        control_handle: ProviderControlHandle,
        method_type: fidl::MethodType,
    },
}

impl ProviderRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_add_device(self) -> Option<(ProviderAddDeviceRequest, ProviderAddDeviceResponder)> {
        if let ProviderRequest::AddDevice { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ProviderRequest::AddDevice { .. } => "add_device",
            ProviderRequest::_UnknownMethod { method_type: fidl::MethodType::OneWay, .. } => {
                "unknown one-way method"
            }
            ProviderRequest::_UnknownMethod { method_type: fidl::MethodType::TwoWay, .. } => {
                "unknown two-way method"
            }
        }
    }
}

#[derive(Debug, Clone)]
pub struct ProviderControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
}

impl fidl::endpoints::ControlHandle for ProviderControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }
    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl ProviderControlHandle {}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct ProviderAddDeviceResponder {
    control_handle: std::mem::ManuallyDrop<ProviderControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`ProviderControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ProviderAddDeviceResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for ProviderAddDeviceResponder {
    type ControlHandle = ProviderControlHandle;

    fn control_handle(&self) -> &ProviderControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl ProviderAddDeviceResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&ProviderAddDeviceResponse, ProviderAddDeviceError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&ProviderAddDeviceResponse, ProviderAddDeviceError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&ProviderAddDeviceResponse, ProviderAddDeviceError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            ProviderAddDeviceResponse,
            ProviderAddDeviceError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x685fdfd91937758b,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct RegistryMarker;

impl fidl::endpoints::ProtocolMarker for RegistryMarker {
    type Proxy = RegistryProxy;
    type RequestStream = RegistryRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = RegistrySynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.audio.device.Registry";
}
impl fidl::endpoints::DiscoverableProtocolMarker for RegistryMarker {}
pub type RegistryWatchDevicesAddedResult =
    Result<RegistryWatchDevicesAddedResponse, RegistryWatchDevicesAddedError>;
pub type RegistryWatchDeviceRemovedResult =
    Result<RegistryWatchDeviceRemovedResponse, RegistryWatchDeviceRemovedError>;
pub type RegistryCreateObserverResult =
    Result<RegistryCreateObserverResponse, RegistryCreateObserverError>;

pub trait RegistryProxyInterface: Send + Sync {
    type WatchDevicesAddedResponseFut: std::future::Future<Output = Result<RegistryWatchDevicesAddedResult, fidl::Error>>
        + Send;
    fn r#watch_devices_added(&self) -> Self::WatchDevicesAddedResponseFut;
    type WatchDeviceRemovedResponseFut: std::future::Future<Output = Result<RegistryWatchDeviceRemovedResult, fidl::Error>>
        + Send;
    fn r#watch_device_removed(&self) -> Self::WatchDeviceRemovedResponseFut;
    type CreateObserverResponseFut: std::future::Future<Output = Result<RegistryCreateObserverResult, fidl::Error>>
        + Send;
    fn r#create_observer(
        &self,
        payload: RegistryCreateObserverRequest,
    ) -> Self::CreateObserverResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct RegistrySynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for RegistrySynchronousProxy {
    type Proxy = RegistryProxy;
    type Protocol = RegistryMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl RegistrySynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <RegistryMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(
        &self,
        deadline: zx::MonotonicInstant,
    ) -> Result<RegistryEvent, fidl::Error> {
        RegistryEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Register for notification when one or more devices are added.
    /// The `devices` vector will always contain at least one `Info` entry.
    pub fn r#watch_devices_added(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<RegistryWatchDevicesAddedResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::FlexibleResultType<
                RegistryWatchDevicesAddedResponse,
                RegistryWatchDevicesAddedError,
            >>(
                (), 0x562ca31f7c149def, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
            )?
            .into_result::<RegistryMarker>("watch_devices_added")?;
        Ok(_response.map(|x| x))
    }

    /// Register for notification when an (active, added) device is removed.
    /// Because the method only notifies of one removal, upon completion it
    /// should immediately be re-called, in case other removals have occurred.
    /// Calls to this method will pend until the removal of a device that was
    /// included in a previous `WatchDevicesAdded` response.
    pub fn r#watch_device_removed(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<RegistryWatchDeviceRemovedResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::FlexibleResultType<
                RegistryWatchDeviceRemovedResponse,
                RegistryWatchDeviceRemovedError,
            >>(
                (), 0x6e67aabc99a502af, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
            )?
            .into_result::<RegistryMarker>("watch_device_removed")?;
        Ok(_response.map(|x| x))
    }

    /// Request an `Observer` for the specified device.
    pub fn r#create_observer(
        &self,
        mut payload: RegistryCreateObserverRequest,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<RegistryCreateObserverResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<RegistryCreateObserverRequest, fidl::encoding::FlexibleResultType<
                RegistryCreateObserverResponse,
                RegistryCreateObserverError,
            >>(
                &mut payload,
                0x577bc322eb8d2bd1,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                ___deadline,
            )?
            .into_result::<RegistryMarker>("create_observer")?;
        Ok(_response.map(|x| x))
    }
}

#[derive(Debug, Clone)]
pub struct RegistryProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for RegistryProxy {
    type Protocol = RegistryMarker;

    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl RegistryProxy {
    /// Create a new Proxy for fuchsia.audio.device/Registry.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <RegistryMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> RegistryEventStream {
        RegistryEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Register for notification when one or more devices are added.
    /// The `devices` vector will always contain at least one `Info` entry.
    pub fn r#watch_devices_added(
        &self,
    ) -> fidl::client::QueryResponseFut<
        RegistryWatchDevicesAddedResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        RegistryProxyInterface::r#watch_devices_added(self)
    }

    /// Register for notification when an (active, added) device is removed.
    /// Because the method only notifies of one removal, upon completion it
    /// should immediately be re-called, in case other removals have occurred.
    /// Calls to this method will pend until the removal of a device that was
    /// included in a previous `WatchDevicesAdded` response.
    pub fn r#watch_device_removed(
        &self,
    ) -> fidl::client::QueryResponseFut<
        RegistryWatchDeviceRemovedResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        RegistryProxyInterface::r#watch_device_removed(self)
    }

    /// Request an `Observer` for the specified device.
    pub fn r#create_observer(
        &self,
        mut payload: RegistryCreateObserverRequest,
    ) -> fidl::client::QueryResponseFut<
        RegistryCreateObserverResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        RegistryProxyInterface::r#create_observer(self, payload)
    }
}

impl RegistryProxyInterface for RegistryProxy {
    type WatchDevicesAddedResponseFut = fidl::client::QueryResponseFut<
        RegistryWatchDevicesAddedResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#watch_devices_added(&self) -> Self::WatchDevicesAddedResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<RegistryWatchDevicesAddedResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    RegistryWatchDevicesAddedResponse,
                    RegistryWatchDevicesAddedError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x562ca31f7c149def,
            >(_buf?)?
            .into_result::<RegistryMarker>("watch_devices_added")?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<fidl::encoding::EmptyPayload, RegistryWatchDevicesAddedResult>(
                (),
                0x562ca31f7c149def,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                _decode,
            )
    }

    type WatchDeviceRemovedResponseFut = fidl::client::QueryResponseFut<
        RegistryWatchDeviceRemovedResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#watch_device_removed(&self) -> Self::WatchDeviceRemovedResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<RegistryWatchDeviceRemovedResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    RegistryWatchDeviceRemovedResponse,
                    RegistryWatchDeviceRemovedError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x6e67aabc99a502af,
            >(_buf?)?
            .into_result::<RegistryMarker>("watch_device_removed")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            fidl::encoding::EmptyPayload,
            RegistryWatchDeviceRemovedResult,
        >(
            (),
            0x6e67aabc99a502af,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type CreateObserverResponseFut = fidl::client::QueryResponseFut<
        RegistryCreateObserverResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#create_observer(
        &self,
        mut payload: RegistryCreateObserverRequest,
    ) -> Self::CreateObserverResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<RegistryCreateObserverResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    RegistryCreateObserverResponse,
                    RegistryCreateObserverError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x577bc322eb8d2bd1,
            >(_buf?)?
            .into_result::<RegistryMarker>("create_observer")?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<RegistryCreateObserverRequest, RegistryCreateObserverResult>(
                &mut payload,
                0x577bc322eb8d2bd1,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                _decode,
            )
    }
}

pub struct RegistryEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl std::marker::Unpin for RegistryEventStream {}

impl futures::stream::FusedStream for RegistryEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for RegistryEventStream {
    type Item = Result<RegistryEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(RegistryEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum RegistryEvent {
    #[non_exhaustive]
    _UnknownEvent {
        /// Ordinal of the event that was sent.
        ordinal: u64,
    },
}

impl RegistryEvent {
    /// Decodes a message buffer as a [`RegistryEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<RegistryEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
                Ok(RegistryEvent::_UnknownEvent { ordinal: tx_header.ordinal })
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <RegistryMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.audio.device/Registry.
pub struct RegistryRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for RegistryRequestStream {}

impl futures::stream::FusedStream for RegistryRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for RegistryRequestStream {
    type Protocol = RegistryMarker;
    type ControlHandle = RegistryControlHandle;

    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        RegistryControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for RegistryRequestStream {
    type Item = Result<RegistryRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled RegistryRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(e)) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))))
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x562ca31f7c149def => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = RegistryControlHandle { inner: this.inner.clone() };
                        Ok(RegistryRequest::WatchDevicesAdded {
                            responder: RegistryWatchDevicesAddedResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x6e67aabc99a502af => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = RegistryControlHandle { inner: this.inner.clone() };
                        Ok(RegistryRequest::WatchDeviceRemoved {
                            responder: RegistryWatchDeviceRemovedResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x577bc322eb8d2bd1 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            RegistryCreateObserverRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<RegistryCreateObserverRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = RegistryControlHandle { inner: this.inner.clone() };
                        Ok(RegistryRequest::CreateObserver {
                            payload: req,
                            responder: RegistryCreateObserverResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ if header.tx_id == 0
                        && header
                            .dynamic_flags()
                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        Ok(RegistryRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: RegistryControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::OneWay,
                        })
                    }
                    _ if header
                        .dynamic_flags()
                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        this.inner.send_framework_err(
                            fidl::encoding::FrameworkErr::UnknownMethod,
                            header.tx_id,
                            header.ordinal,
                            header.dynamic_flags(),
                            (bytes, handles),
                        )?;
                        Ok(RegistryRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: RegistryControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::TwoWay,
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <RegistryMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// `Registry` instances notify clients as devices arrive and depart, and they
/// create observers (see `Observer`) that notify of more detailed state changes.
#[derive(Debug)]
pub enum RegistryRequest {
    /// Register for notification when one or more devices are added.
    /// The `devices` vector will always contain at least one `Info` entry.
    WatchDevicesAdded { responder: RegistryWatchDevicesAddedResponder },
    /// Register for notification when an (active, added) device is removed.
    /// Because the method only notifies of one removal, upon completion it
    /// should immediately be re-called, in case other removals have occurred.
    /// Calls to this method will pend until the removal of a device that was
    /// included in a previous `WatchDevicesAdded` response.
    WatchDeviceRemoved { responder: RegistryWatchDeviceRemovedResponder },
    /// Request an `Observer` for the specified device.
    CreateObserver {
        payload: RegistryCreateObserverRequest,
        responder: RegistryCreateObserverResponder,
    },
    /// An interaction was received which does not match any known method.
    #[non_exhaustive]
    _UnknownMethod {
        /// Ordinal of the method that was called.
        ordinal: u64,
        control_handle: RegistryControlHandle,
        method_type: fidl::MethodType,
    },
}

impl RegistryRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_devices_added(self) -> Option<(RegistryWatchDevicesAddedResponder)> {
        if let RegistryRequest::WatchDevicesAdded { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_device_removed(self) -> Option<(RegistryWatchDeviceRemovedResponder)> {
        if let RegistryRequest::WatchDeviceRemoved { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_create_observer(
        self,
    ) -> Option<(RegistryCreateObserverRequest, RegistryCreateObserverResponder)> {
        if let RegistryRequest::CreateObserver { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            RegistryRequest::WatchDevicesAdded { .. } => "watch_devices_added",
            RegistryRequest::WatchDeviceRemoved { .. } => "watch_device_removed",
            RegistryRequest::CreateObserver { .. } => "create_observer",
            RegistryRequest::_UnknownMethod { method_type: fidl::MethodType::OneWay, .. } => {
                "unknown one-way method"
            }
            RegistryRequest::_UnknownMethod { method_type: fidl::MethodType::TwoWay, .. } => {
                "unknown two-way method"
            }
        }
    }
}

#[derive(Debug, Clone)]
pub struct RegistryControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
}

impl fidl::endpoints::ControlHandle for RegistryControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }
    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl RegistryControlHandle {}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct RegistryWatchDevicesAddedResponder {
    control_handle: std::mem::ManuallyDrop<RegistryControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`RegistryControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for RegistryWatchDevicesAddedResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for RegistryWatchDevicesAddedResponder {
    type ControlHandle = RegistryControlHandle;

    fn control_handle(&self) -> &RegistryControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl RegistryWatchDevicesAddedResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&RegistryWatchDevicesAddedResponse, RegistryWatchDevicesAddedError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&RegistryWatchDevicesAddedResponse, RegistryWatchDevicesAddedError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&RegistryWatchDevicesAddedResponse, RegistryWatchDevicesAddedError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            RegistryWatchDevicesAddedResponse,
            RegistryWatchDevicesAddedError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x562ca31f7c149def,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct RegistryWatchDeviceRemovedResponder {
    control_handle: std::mem::ManuallyDrop<RegistryControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`RegistryControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for RegistryWatchDeviceRemovedResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for RegistryWatchDeviceRemovedResponder {
    type ControlHandle = RegistryControlHandle;

    fn control_handle(&self) -> &RegistryControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl RegistryWatchDeviceRemovedResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&RegistryWatchDeviceRemovedResponse, RegistryWatchDeviceRemovedError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&RegistryWatchDeviceRemovedResponse, RegistryWatchDeviceRemovedError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&RegistryWatchDeviceRemovedResponse, RegistryWatchDeviceRemovedError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            RegistryWatchDeviceRemovedResponse,
            RegistryWatchDeviceRemovedError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x6e67aabc99a502af,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct RegistryCreateObserverResponder {
    control_handle: std::mem::ManuallyDrop<RegistryControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`RegistryControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for RegistryCreateObserverResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for RegistryCreateObserverResponder {
    type ControlHandle = RegistryControlHandle;

    fn control_handle(&self) -> &RegistryControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl RegistryCreateObserverResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&RegistryCreateObserverResponse, RegistryCreateObserverError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&RegistryCreateObserverResponse, RegistryCreateObserverError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&RegistryCreateObserverResponse, RegistryCreateObserverError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            RegistryCreateObserverResponse,
            RegistryCreateObserverError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x577bc322eb8d2bd1,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub struct RingBufferMarker;

impl fidl::endpoints::ProtocolMarker for RingBufferMarker {
    type Proxy = RingBufferProxy;
    type RequestStream = RingBufferRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = RingBufferSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) RingBuffer";
}
pub type RingBufferSetActiveChannelsResult =
    Result<RingBufferSetActiveChannelsResponse, RingBufferSetActiveChannelsError>;
pub type RingBufferStartResult = Result<RingBufferStartResponse, RingBufferStartError>;
pub type RingBufferStopResult = Result<RingBufferStopResponse, RingBufferStopError>;
pub type RingBufferWatchDelayInfoResult =
    Result<RingBufferWatchDelayInfoResponse, RingBufferWatchDelayInfoError>;

pub trait RingBufferProxyInterface: Send + Sync {
    type SetActiveChannelsResponseFut: std::future::Future<Output = Result<RingBufferSetActiveChannelsResult, fidl::Error>>
        + Send;
    fn r#set_active_channels(
        &self,
        payload: &RingBufferSetActiveChannelsRequest,
    ) -> Self::SetActiveChannelsResponseFut;
    type StartResponseFut: std::future::Future<Output = Result<RingBufferStartResult, fidl::Error>>
        + Send;
    fn r#start(&self, payload: &RingBufferStartRequest) -> Self::StartResponseFut;
    type StopResponseFut: std::future::Future<Output = Result<RingBufferStopResult, fidl::Error>>
        + Send;
    fn r#stop(&self, payload: &RingBufferStopRequest) -> Self::StopResponseFut;
    type WatchDelayInfoResponseFut: std::future::Future<Output = Result<RingBufferWatchDelayInfoResult, fidl::Error>>
        + Send;
    fn r#watch_delay_info(&self) -> Self::WatchDelayInfoResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct RingBufferSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for RingBufferSynchronousProxy {
    type Proxy = RingBufferProxy;
    type Protocol = RingBufferMarker;

    fn from_channel(inner: fidl::Channel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    fn as_channel(&self) -> &fidl::Channel {
        self.client.as_channel()
    }
}

#[cfg(target_os = "fuchsia")]
impl RingBufferSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <RingBufferMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

    pub fn into_channel(self) -> fidl::Channel {
        self.client.into_channel()
    }

    /// Waits until an event arrives and returns it. It is safe for other
    /// threads to make concurrent requests while waiting for an event.
    pub fn wait_for_event(
        &self,
        deadline: zx::MonotonicInstant,
    ) -> Result<RingBufferEvent, fidl::Error> {
        RingBufferEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Request that specific individual channels be powered down/up, if the
    /// device supports this. This is intended for idle power conservation.
    ///
    /// Channels are specified by bitmask; the least significant bit corresponds
    /// to channel 0. Each bit not set indicates that the channel can be
    /// deactivated. `SetActiveChannels` does not change how a ring buffer
    /// responds to `Start`/`Stop`, specifically with regards to position.
    ///
    /// Devices are not required to obey `SetActiveChannels`. For example, they
    /// are not required to zero-out an input stream's inactive channels, and
    /// data written to inactive channels of an output stream's ring buffer may
    /// still be played.
    ///
    /// If not called, then by default all channels will be active.
    pub fn r#set_active_channels(
        &self,
        mut payload: &RingBufferSetActiveChannelsRequest,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<RingBufferSetActiveChannelsResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<RingBufferSetActiveChannelsRequest, fidl::encoding::FlexibleResultType<
                RingBufferSetActiveChannelsResponse,
                RingBufferSetActiveChannelsError,
            >>(
                payload, 0x4276c43e4a3b59ee, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
            )?
            .into_result::<RingBufferMarker>("set_active_channels")?;
        Ok(_response.map(|x| x))
    }

    /// Start the ring buffer, beginning at the first frame of the ring buffer.
    pub fn r#start(
        &self,
        mut payload: &RingBufferStartRequest,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<RingBufferStartResult, fidl::Error> {
        let _response = self.client.send_query::<
            RingBufferStartRequest,
            fidl::encoding::FlexibleResultType<RingBufferStartResponse, RingBufferStartError>,
        >(
            payload,
            0x5365a8609dc2dc5,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<RingBufferMarker>("start")?;
        Ok(_response.map(|x| x))
    }

    /// Stop the ring buffer.
    pub fn r#stop(
        &self,
        mut payload: &RingBufferStopRequest,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<RingBufferStopResult, fidl::Error> {
        let _response = self.client.send_query::<
            RingBufferStopRequest,
            fidl::encoding::FlexibleResultType<RingBufferStopResponse, RingBufferStopError>,
        >(
            payload,
            0x5a238810af11e6e1,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<RingBufferMarker>("stop")?;
        Ok(_response.map(|x| x))
    }

    /// Request delay information via a hanging get. The RingBuffer will respond
    /// immediately to the first `WatchDelayInfo` call. Subsequent calls will
    /// only be completed when the delay info has changed from previously
    /// communicated values.
    pub fn r#watch_delay_info(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<RingBufferWatchDelayInfoResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::FlexibleResultType<
                RingBufferWatchDelayInfoResponse,
                RingBufferWatchDelayInfoError,
            >>(
                (), 0x6d1dc5a928f38ad6, fidl::encoding::DynamicFlags::FLEXIBLE, ___deadline
            )?
            .into_result::<RingBufferMarker>("watch_delay_info")?;
        Ok(_response.map(|x| x))
    }
}

#[derive(Debug, Clone)]
pub struct RingBufferProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for RingBufferProxy {
    type Protocol = RingBufferMarker;

    fn from_channel(inner: ::fidl::AsyncChannel) -> Self {
        Self::new(inner)
    }

    fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
        self.client.into_channel().map_err(|client| Self { client })
    }

    fn as_channel(&self) -> &::fidl::AsyncChannel {
        self.client.as_channel()
    }
}

impl RingBufferProxy {
    /// Create a new Proxy for fuchsia.audio.device/RingBuffer.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <RingBufferMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

    /// Get a Stream of events from the remote end of the protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> RingBufferEventStream {
        RingBufferEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Request that specific individual channels be powered down/up, if the
    /// device supports this. This is intended for idle power conservation.
    ///
    /// Channels are specified by bitmask; the least significant bit corresponds
    /// to channel 0. Each bit not set indicates that the channel can be
    /// deactivated. `SetActiveChannels` does not change how a ring buffer
    /// responds to `Start`/`Stop`, specifically with regards to position.
    ///
    /// Devices are not required to obey `SetActiveChannels`. For example, they
    /// are not required to zero-out an input stream's inactive channels, and
    /// data written to inactive channels of an output stream's ring buffer may
    /// still be played.
    ///
    /// If not called, then by default all channels will be active.
    pub fn r#set_active_channels(
        &self,
        mut payload: &RingBufferSetActiveChannelsRequest,
    ) -> fidl::client::QueryResponseFut<
        RingBufferSetActiveChannelsResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        RingBufferProxyInterface::r#set_active_channels(self, payload)
    }

    /// Start the ring buffer, beginning at the first frame of the ring buffer.
    pub fn r#start(
        &self,
        mut payload: &RingBufferStartRequest,
    ) -> fidl::client::QueryResponseFut<
        RingBufferStartResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        RingBufferProxyInterface::r#start(self, payload)
    }

    /// Stop the ring buffer.
    pub fn r#stop(
        &self,
        mut payload: &RingBufferStopRequest,
    ) -> fidl::client::QueryResponseFut<
        RingBufferStopResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        RingBufferProxyInterface::r#stop(self, payload)
    }

    /// Request delay information via a hanging get. The RingBuffer will respond
    /// immediately to the first `WatchDelayInfo` call. Subsequent calls will
    /// only be completed when the delay info has changed from previously
    /// communicated values.
    pub fn r#watch_delay_info(
        &self,
    ) -> fidl::client::QueryResponseFut<
        RingBufferWatchDelayInfoResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        RingBufferProxyInterface::r#watch_delay_info(self)
    }
}

impl RingBufferProxyInterface for RingBufferProxy {
    type SetActiveChannelsResponseFut = fidl::client::QueryResponseFut<
        RingBufferSetActiveChannelsResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#set_active_channels(
        &self,
        mut payload: &RingBufferSetActiveChannelsRequest,
    ) -> Self::SetActiveChannelsResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<RingBufferSetActiveChannelsResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    RingBufferSetActiveChannelsResponse,
                    RingBufferSetActiveChannelsError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x4276c43e4a3b59ee,
            >(_buf?)?
            .into_result::<RingBufferMarker>("set_active_channels")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            RingBufferSetActiveChannelsRequest,
            RingBufferSetActiveChannelsResult,
        >(
            payload,
            0x4276c43e4a3b59ee,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type StartResponseFut = fidl::client::QueryResponseFut<
        RingBufferStartResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#start(&self, mut payload: &RingBufferStartRequest) -> Self::StartResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<RingBufferStartResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<RingBufferStartResponse, RingBufferStartError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x5365a8609dc2dc5,
            >(_buf?)?
            .into_result::<RingBufferMarker>("start")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<RingBufferStartRequest, RingBufferStartResult>(
            payload,
            0x5365a8609dc2dc5,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type StopResponseFut = fidl::client::QueryResponseFut<
        RingBufferStopResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#stop(&self, mut payload: &RingBufferStopRequest) -> Self::StopResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<RingBufferStopResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<RingBufferStopResponse, RingBufferStopError>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x5a238810af11e6e1,
            >(_buf?)?
            .into_result::<RingBufferMarker>("stop")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<RingBufferStopRequest, RingBufferStopResult>(
            payload,
            0x5a238810af11e6e1,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type WatchDelayInfoResponseFut = fidl::client::QueryResponseFut<
        RingBufferWatchDelayInfoResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#watch_delay_info(&self) -> Self::WatchDelayInfoResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<RingBufferWatchDelayInfoResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<
                    RingBufferWatchDelayInfoResponse,
                    RingBufferWatchDelayInfoError,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x6d1dc5a928f38ad6,
            >(_buf?)?
            .into_result::<RingBufferMarker>("watch_delay_info")?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<fidl::encoding::EmptyPayload, RingBufferWatchDelayInfoResult>(
                (),
                0x6d1dc5a928f38ad6,
                fidl::encoding::DynamicFlags::FLEXIBLE,
                _decode,
            )
    }
}

pub struct RingBufferEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl std::marker::Unpin for RingBufferEventStream {}

impl futures::stream::FusedStream for RingBufferEventStream {
    fn is_terminated(&self) -> bool {
        self.event_receiver.is_terminated()
    }
}

impl futures::Stream for RingBufferEventStream {
    type Item = Result<RingBufferEvent, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
            &mut self.event_receiver,
            cx
        )?) {
            Some(buf) => std::task::Poll::Ready(Some(RingBufferEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum RingBufferEvent {
    #[non_exhaustive]
    _UnknownEvent {
        /// Ordinal of the event that was sent.
        ordinal: u64,
    },
}

impl RingBufferEvent {
    /// Decodes a message buffer as a [`RingBufferEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<RingBufferEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ if tx_header.dynamic_flags().contains(fidl::encoding::DynamicFlags::FLEXIBLE) => {
                Ok(RingBufferEvent::_UnknownEvent { ordinal: tx_header.ordinal })
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <RingBufferMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.audio.device/RingBuffer.
pub struct RingBufferRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

impl std::marker::Unpin for RingBufferRequestStream {}

impl futures::stream::FusedStream for RingBufferRequestStream {
    fn is_terminated(&self) -> bool {
        self.is_terminated
    }
}

impl fidl::endpoints::RequestStream for RingBufferRequestStream {
    type Protocol = RingBufferMarker;
    type ControlHandle = RingBufferControlHandle;

    fn from_channel(channel: ::fidl::AsyncChannel) -> Self {
        Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
    }

    fn control_handle(&self) -> Self::ControlHandle {
        RingBufferControlHandle { inner: self.inner.clone() }
    }

    fn into_inner(
        self,
    ) -> (::std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>, bool)
    {
        (self.inner, self.is_terminated)
    }

    fn from_inner(
        inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
        is_terminated: bool,
    ) -> Self {
        Self { inner, is_terminated }
    }
}

impl futures::Stream for RingBufferRequestStream {
    type Item = Result<RingBufferRequest, fidl::Error>;

    fn poll_next(
        mut self: std::pin::Pin<&mut Self>,
        cx: &mut std::task::Context<'_>,
    ) -> std::task::Poll<Option<Self::Item>> {
        let this = &mut *self;
        if this.inner.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled RingBufferRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |bytes, handles| {
                match this.inner.channel().read_etc(cx, bytes, handles) {
                    std::task::Poll::Ready(Ok(())) => {}
                    std::task::Poll::Pending => return std::task::Poll::Pending,
                    std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                        this.is_terminated = true;
                        return std::task::Poll::Ready(None);
                    }
                    std::task::Poll::Ready(Err(e)) => {
                        return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(
                            e.into(),
                        ))))
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x4276c43e4a3b59ee => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            RingBufferSetActiveChannelsRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<RingBufferSetActiveChannelsRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = RingBufferControlHandle { inner: this.inner.clone() };
                        Ok(RingBufferRequest::SetActiveChannels {
                            payload: req,
                            responder: RingBufferSetActiveChannelsResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x5365a8609dc2dc5 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            RingBufferStartRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<RingBufferStartRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = RingBufferControlHandle { inner: this.inner.clone() };
                        Ok(RingBufferRequest::Start {
                            payload: req,
                            responder: RingBufferStartResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x5a238810af11e6e1 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            RingBufferStopRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<RingBufferStopRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = RingBufferControlHandle { inner: this.inner.clone() };
                        Ok(RingBufferRequest::Stop {
                            payload: req,
                            responder: RingBufferStopResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x6d1dc5a928f38ad6 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = RingBufferControlHandle { inner: this.inner.clone() };
                        Ok(RingBufferRequest::WatchDelayInfo {
                            responder: RingBufferWatchDelayInfoResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ if header.tx_id == 0
                        && header
                            .dynamic_flags()
                            .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        Ok(RingBufferRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: RingBufferControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::OneWay,
                        })
                    }
                    _ if header
                        .dynamic_flags()
                        .contains(fidl::encoding::DynamicFlags::FLEXIBLE) =>
                    {
                        this.inner.send_framework_err(
                            fidl::encoding::FrameworkErr::UnknownMethod,
                            header.tx_id,
                            header.ordinal,
                            header.dynamic_flags(),
                            (bytes, handles),
                        )?;
                        Ok(RingBufferRequest::_UnknownMethod {
                            ordinal: header.ordinal,
                            control_handle: RingBufferControlHandle { inner: this.inner.clone() },
                            method_type: fidl::MethodType::TwoWay,
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <RingBufferMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// A `RingBuffer` instance controls data flow for the associated audio stream.
#[derive(Debug)]
pub enum RingBufferRequest {
    /// Request that specific individual channels be powered down/up, if the
    /// device supports this. This is intended for idle power conservation.
    ///
    /// Channels are specified by bitmask; the least significant bit corresponds
    /// to channel 0. Each bit not set indicates that the channel can be
    /// deactivated. `SetActiveChannels` does not change how a ring buffer
    /// responds to `Start`/`Stop`, specifically with regards to position.
    ///
    /// Devices are not required to obey `SetActiveChannels`. For example, they
    /// are not required to zero-out an input stream's inactive channels, and
    /// data written to inactive channels of an output stream's ring buffer may
    /// still be played.
    ///
    /// If not called, then by default all channels will be active.
    SetActiveChannels {
        payload: RingBufferSetActiveChannelsRequest,
        responder: RingBufferSetActiveChannelsResponder,
    },
    /// Start the ring buffer, beginning at the first frame of the ring buffer.
    Start { payload: RingBufferStartRequest, responder: RingBufferStartResponder },
    /// Stop the ring buffer.
    Stop { payload: RingBufferStopRequest, responder: RingBufferStopResponder },
    /// Request delay information via a hanging get. The RingBuffer will respond
    /// immediately to the first `WatchDelayInfo` call. Subsequent calls will
    /// only be completed when the delay info has changed from previously
    /// communicated values.
    WatchDelayInfo { responder: RingBufferWatchDelayInfoResponder },
    /// An interaction was received which does not match any known method.
    #[non_exhaustive]
    _UnknownMethod {
        /// Ordinal of the method that was called.
        ordinal: u64,
        control_handle: RingBufferControlHandle,
        method_type: fidl::MethodType,
    },
}

impl RingBufferRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_set_active_channels(
        self,
    ) -> Option<(RingBufferSetActiveChannelsRequest, RingBufferSetActiveChannelsResponder)> {
        if let RingBufferRequest::SetActiveChannels { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_start(self) -> Option<(RingBufferStartRequest, RingBufferStartResponder)> {
        if let RingBufferRequest::Start { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_stop(self) -> Option<(RingBufferStopRequest, RingBufferStopResponder)> {
        if let RingBufferRequest::Stop { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_watch_delay_info(self) -> Option<(RingBufferWatchDelayInfoResponder)> {
        if let RingBufferRequest::WatchDelayInfo { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            RingBufferRequest::SetActiveChannels { .. } => "set_active_channels",
            RingBufferRequest::Start { .. } => "start",
            RingBufferRequest::Stop { .. } => "stop",
            RingBufferRequest::WatchDelayInfo { .. } => "watch_delay_info",
            RingBufferRequest::_UnknownMethod { method_type: fidl::MethodType::OneWay, .. } => {
                "unknown one-way method"
            }
            RingBufferRequest::_UnknownMethod { method_type: fidl::MethodType::TwoWay, .. } => {
                "unknown two-way method"
            }
        }
    }
}

#[derive(Debug, Clone)]
pub struct RingBufferControlHandle {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
}

impl fidl::endpoints::ControlHandle for RingBufferControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }
    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl RingBufferControlHandle {}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct RingBufferSetActiveChannelsResponder {
    control_handle: std::mem::ManuallyDrop<RingBufferControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`RingBufferControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for RingBufferSetActiveChannelsResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for RingBufferSetActiveChannelsResponder {
    type ControlHandle = RingBufferControlHandle;

    fn control_handle(&self) -> &RingBufferControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl RingBufferSetActiveChannelsResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&RingBufferSetActiveChannelsResponse, RingBufferSetActiveChannelsError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&RingBufferSetActiveChannelsResponse, RingBufferSetActiveChannelsError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&RingBufferSetActiveChannelsResponse, RingBufferSetActiveChannelsError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            RingBufferSetActiveChannelsResponse,
            RingBufferSetActiveChannelsError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x4276c43e4a3b59ee,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct RingBufferStartResponder {
    control_handle: std::mem::ManuallyDrop<RingBufferControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`RingBufferControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for RingBufferStartResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for RingBufferStartResponder {
    type ControlHandle = RingBufferControlHandle;

    fn control_handle(&self) -> &RingBufferControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl RingBufferStartResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&RingBufferStartResponse, RingBufferStartError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&RingBufferStartResponse, RingBufferStartError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&RingBufferStartResponse, RingBufferStartError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            RingBufferStartResponse,
            RingBufferStartError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x5365a8609dc2dc5,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct RingBufferStopResponder {
    control_handle: std::mem::ManuallyDrop<RingBufferControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`RingBufferControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for RingBufferStopResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for RingBufferStopResponder {
    type ControlHandle = RingBufferControlHandle;

    fn control_handle(&self) -> &RingBufferControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl RingBufferStopResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&RingBufferStopResponse, RingBufferStopError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&RingBufferStopResponse, RingBufferStopError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&RingBufferStopResponse, RingBufferStopError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            RingBufferStopResponse,
            RingBufferStopError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x5a238810af11e6e1,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct RingBufferWatchDelayInfoResponder {
    control_handle: std::mem::ManuallyDrop<RingBufferControlHandle>,
    tx_id: u32,
}

/// Set the the channel to be shutdown (see [`RingBufferControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for RingBufferWatchDelayInfoResponder {
    fn drop(&mut self) {
        self.control_handle.shutdown();
        // Safety: drops once, never accessed again
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
    }
}

impl fidl::endpoints::Responder for RingBufferWatchDelayInfoResponder {
    type ControlHandle = RingBufferControlHandle;

    fn control_handle(&self) -> &RingBufferControlHandle {
        &self.control_handle
    }

    fn drop_without_shutdown(mut self) {
        // Safety: drops once, never accessed again due to mem::forget
        unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
        // Prevent Drop from running (which would shut down the channel)
        std::mem::forget(self);
    }
}

impl RingBufferWatchDelayInfoResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&RingBufferWatchDelayInfoResponse, RingBufferWatchDelayInfoError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&RingBufferWatchDelayInfoResponse, RingBufferWatchDelayInfoError>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&RingBufferWatchDelayInfoResponse, RingBufferWatchDelayInfoError>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            RingBufferWatchDelayInfoResponse,
            RingBufferWatchDelayInfoError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x6d1dc5a928f38ad6,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

mod internal {
    use super::*;

    impl ControlCreateRingBufferRequest {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.ring_buffer_server {
                return 3;
            }
            if let Some(_) = self.options {
                return 2;
            }
            if let Some(_) = self.element_id {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ControlCreateRingBufferRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ControlCreateRingBufferRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ControlCreateRingBufferRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ControlCreateRingBufferRequest
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ControlCreateRingBufferRequest>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                u64,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.element_id.as_ref().map(<u64 as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                RingBufferOptions,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.options
                    .as_ref()
                    .map(<RingBufferOptions as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 3 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (3 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<RingBufferMarker>>, fidl::encoding::DefaultFuchsiaResourceDialect>(
            self.ring_buffer_server.as_mut().map(<fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<RingBufferMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ControlCreateRingBufferRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <u64 as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.element_id.get_or_insert_with(|| {
                    fidl::new_empty!(u64, fidl::encoding::DefaultFuchsiaResourceDialect)
                });
                fidl::decode!(
                    u64,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <RingBufferOptions as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.options.get_or_insert_with(|| {
                    fidl::new_empty!(
                        RingBufferOptions,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    RingBufferOptions,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 3 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<RingBufferMarker>,
                > as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context
                );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.ring_buffer_server.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<RingBufferMarker>>,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<RingBufferMarker>>,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl ControlCreatorCreateRequest {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.control_server {
                return 2;
            }
            if let Some(_) = self.token_id {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ControlCreatorCreateRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ControlCreatorCreateRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ControlCreatorCreateRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ControlCreatorCreateRequest
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ControlCreatorCreateRequest>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                u64,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.token_id.as_ref().map(<u64 as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<ControlMarker>>, fidl::encoding::DefaultFuchsiaResourceDialect>(
            self.control_server.as_mut().map(<fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<ControlMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ControlCreatorCreateRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <u64 as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.token_id.get_or_insert_with(|| {
                    fidl::new_empty!(u64, fidl::encoding::DefaultFuchsiaResourceDialect)
                });
                fidl::decode!(
                    u64,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<ControlMarker>,
                > as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context
                );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.control_server.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<ControlMarker>>,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<ControlMarker>>,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl ControlCreateRingBufferResponse {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.ring_buffer {
                return 2;
            }
            if let Some(_) = self.properties {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ControlCreateRingBufferResponse {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ControlCreateRingBufferResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ControlCreateRingBufferResponse,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ControlCreateRingBufferResponse
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ControlCreateRingBufferResponse>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                RingBufferProperties,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.properties
                    .as_ref()
                    .map(<RingBufferProperties as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_audio::RingBuffer, fidl::encoding::DefaultFuchsiaResourceDialect>(
            self.ring_buffer.as_mut().map(<fidl_fuchsia_audio::RingBuffer as fidl::encoding::ResourceTypeMarker>::take_or_borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ControlCreateRingBufferResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <RingBufferProperties as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.properties.get_or_insert_with(|| {
                    fidl::new_empty!(
                        RingBufferProperties,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    RingBufferProperties,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl_fuchsia_audio::RingBuffer as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.ring_buffer.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl_fuchsia_audio::RingBuffer,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    fidl_fuchsia_audio::RingBuffer,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl ObserverGetReferenceClockResponse {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.reference_clock {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ObserverGetReferenceClockResponse {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ObserverGetReferenceClockResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ObserverGetReferenceClockResponse,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ObserverGetReferenceClockResponse
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ObserverGetReferenceClockResponse>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                fidl::encoding::HandleType<
                    fidl::Clock,
                    { fidl::ObjectType::CLOCK.into_raw() },
                    2147483648,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.reference_clock.as_mut().map(
                    <fidl::encoding::HandleType<
                        fidl::Clock,
                        { fidl::ObjectType::CLOCK.into_raw() },
                        2147483648,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ObserverGetReferenceClockResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::HandleType<
                    fidl::Clock,
                    { fidl::ObjectType::CLOCK.into_raw() },
                    2147483648,
                > as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context
                );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref =
                self.reference_clock.get_or_insert_with(|| fidl::new_empty!(fidl::encoding::HandleType<fidl::Clock, { fidl::ObjectType::CLOCK.into_raw() }, 2147483648>, fidl::encoding::DefaultFuchsiaResourceDialect));
                fidl::decode!(fidl::encoding::HandleType<fidl::Clock, { fidl::ObjectType::CLOCK.into_raw() }, 2147483648>, fidl::encoding::DefaultFuchsiaResourceDialect, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl ProviderAddDeviceRequest {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.driver_client {
                return 3;
            }
            if let Some(_) = self.device_type {
                return 2;
            }
            if let Some(_) = self.device_name {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for ProviderAddDeviceRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ProviderAddDeviceRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            ProviderAddDeviceRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ProviderAddDeviceRequest
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProviderAddDeviceRequest>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                fidl::encoding::BoundedString<256>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.device_name.as_ref().map(
                    <fidl::encoding::BoundedString<256> as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                DeviceType,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.device_type
                    .as_ref()
                    .map(<DeviceType as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 3 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (3 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                DriverClient,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.driver_client
                    .as_mut()
                    .map(<DriverClient as fidl::encoding::ResourceTypeMarker>::take_or_borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ProviderAddDeviceRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl::encoding::BoundedString<256> as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.device_name.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl::encoding::BoundedString<256>,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    fidl::encoding::BoundedString<256>,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <DeviceType as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.device_type.get_or_insert_with(|| {
                    fidl::new_empty!(DeviceType, fidl::encoding::DefaultFuchsiaResourceDialect)
                });
                fidl::decode!(
                    DeviceType,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 3 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <DriverClient as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.driver_client.get_or_insert_with(|| {
                    fidl::new_empty!(DriverClient, fidl::encoding::DefaultFuchsiaResourceDialect)
                });
                fidl::decode!(
                    DriverClient,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl RegistryCreateObserverRequest {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.observer_server {
                return 2;
            }
            if let Some(_) = self.token_id {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ResourceTypeMarker for RegistryCreateObserverRequest {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for RegistryCreateObserverRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            RegistryCreateObserverRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut RegistryCreateObserverRequest
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<RegistryCreateObserverRequest>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<
                u64,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >(
                self.token_id.as_ref().map(<u64 as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<ObserverMarker>>, fidl::encoding::DefaultFuchsiaResourceDialect>(
            self.observer_server.as_mut().map(<fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<ObserverMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for RegistryCreateObserverRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <u64 as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.token_id.get_or_insert_with(|| {
                    fidl::new_empty!(u64, fidl::encoding::DefaultFuchsiaResourceDialect)
                });
                fidl::decode!(
                    u64,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<ObserverMarker>,
                > as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context
                );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.observer_server.get_or_insert_with(|| {
                    fidl::new_empty!(
                        fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<ObserverMarker>>,
                        fidl::encoding::DefaultFuchsiaResourceDialect
                    )
                });
                fidl::decode!(
                    fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<ObserverMarker>>,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for DriverClient {
        type Borrowed<'a> = &'a mut Self;
        fn take_or_borrow<'a>(
            value: &'a mut <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for DriverClient {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl fidl::encoding::Encode<DriverClient, fidl::encoding::DefaultFuchsiaResourceDialect>
        for &mut DriverClient
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<DriverClient>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                DriverClient::Codec(ref mut val) => fidl::encoding::encode_in_envelope::<
                    fidl::encoding::Endpoint<
                        fidl::endpoints::ClientEnd<fidl_fuchsia_hardware_audio::CodecMarker>,
                    >,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                >(
                    <fidl::encoding::Endpoint<
                        fidl::endpoints::ClientEnd<fidl_fuchsia_hardware_audio::CodecMarker>,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                        val
                    ),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                DriverClient::Composite(ref mut val) => fidl::encoding::encode_in_envelope::<
                    fidl::encoding::Endpoint<
                        fidl::endpoints::ClientEnd<fidl_fuchsia_hardware_audio::CompositeMarker>,
                    >,
                    fidl::encoding::DefaultFuchsiaResourceDialect,
                >(
                    <fidl::encoding::Endpoint<
                        fidl::endpoints::ClientEnd<fidl_fuchsia_hardware_audio::CompositeMarker>,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                        val
                    ),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                DriverClient::__SourceBreaking { .. } => Err(fidl::Error::UnknownUnionTag),
            }
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect> for DriverClient {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::__SourceBreaking { unknown_ordinal: 0 }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <fidl::encoding::Endpoint<
                    fidl::endpoints::ClientEnd<fidl_fuchsia_hardware_audio::CodecMarker>,
                > as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                2 => <fidl::encoding::Endpoint<
                    fidl::endpoints::ClientEnd<fidl_fuchsia_hardware_audio::CompositeMarker>,
                > as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                0 => return Err(fidl::Error::UnknownUnionTag),
                _ => num_bytes as usize,
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let DriverClient::Codec(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = DriverClient::Codec(fidl::new_empty!(
                            fidl::encoding::Endpoint<
                                fidl::endpoints::ClientEnd<
                                    fidl_fuchsia_hardware_audio::CodecMarker,
                                >,
                            >,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        ));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let DriverClient::Codec(ref mut val) = self {
                        fidl::decode!(
                            fidl::encoding::Endpoint<
                                fidl::endpoints::ClientEnd<
                                    fidl_fuchsia_hardware_audio::CodecMarker,
                                >,
                            >,
                            fidl::encoding::DefaultFuchsiaResourceDialect,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let DriverClient::Composite(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = DriverClient::Composite(fidl::new_empty!(
                            fidl::encoding::Endpoint<
                                fidl::endpoints::ClientEnd<
                                    fidl_fuchsia_hardware_audio::CompositeMarker,
                                >,
                            >,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        ));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let DriverClient::Composite(ref mut val) = self {
                        fidl::decode!(
                            fidl::encoding::Endpoint<
                                fidl::endpoints::ClientEnd<
                                    fidl_fuchsia_hardware_audio::CompositeMarker,
                                >,
                            >,
                            fidl::encoding::DefaultFuchsiaResourceDialect,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = DriverClient::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }
}