fidl_fuchsia_hardware_usb_function/

fidl_fuchsia_hardware_usb_function.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_hardware_usb_function_common::*;
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

#[derive(Debug, PartialEq)]
pub struct EndpointResource {
    pub direction: fidl_fuchsia_hardware_usb_descriptor::EndpointDirection,
    pub endpoint: fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
    /// Information about the endpoint (e.g. Bulk, Interrupt).
    pub ep_info: fidl_fuchsia_hardware_usb_endpoint::EndpointInfo,
    /// The maximum packet size the endpoint supports.
    pub max_packet_size: u32,
}

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

#[derive(Debug, PartialEq)]
pub struct UsbFunctionAllocResourcesRequest {
    pub interface_count: u8,
    pub endpoints: Vec<EndpointResource>,
    pub strings: Vec<String>,
}

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

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct UsbFunctionConfigureRequest {
    pub configuration: Vec<u8>,
    pub iface: fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>,
}

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

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct UsbFunctionConnectToEndpointRequest {
    pub ep_addr: u8,
    pub ep: fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
}

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

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

impl fidl::endpoints::ProtocolMarker for UsbFunctionMarker {
    type Proxy = UsbFunctionProxy;
    type RequestStream = UsbFunctionRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = UsbFunctionSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.hardware.usb.function.UsbFunction";
}
impl fidl::endpoints::DiscoverableProtocolMarker for UsbFunctionMarker {}
pub type UsbFunctionConnectToEndpointResult = Result<(), i32>;
pub type UsbFunctionConfigureResult = Result<(), i32>;
pub type UsbFunctionDeconfigureResult = Result<(), i32>;
pub type UsbFunctionAllocResourcesResult = Result<(Vec<u8>, Vec<u8>, Vec<u8>), i32>;
pub type UsbFunctionEndpointSetStallResult = Result<(), i32>;
pub type UsbFunctionEndpointClearStallResult = Result<(), i32>;
pub type UsbFunctionConfigureEndpointResult = Result<(), i32>;
pub type UsbFunctionDisableEndpointResult = Result<(), i32>;

pub trait UsbFunctionProxyInterface: Send + Sync {
    type ConnectToEndpointResponseFut: std::future::Future<Output = Result<UsbFunctionConnectToEndpointResult, fidl::Error>>
        + Send;
    fn r#connect_to_endpoint(
        &self,
        ep_addr: u8,
        ep: fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
    ) -> Self::ConnectToEndpointResponseFut;
    type ConfigureResponseFut: std::future::Future<Output = Result<UsbFunctionConfigureResult, fidl::Error>>
        + Send;
    fn r#configure(
        &self,
        configuration: &[u8],
        iface: fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>,
    ) -> Self::ConfigureResponseFut;
    type DeconfigureResponseFut: std::future::Future<Output = Result<UsbFunctionDeconfigureResult, fidl::Error>>
        + Send;
    fn r#deconfigure(&self) -> Self::DeconfigureResponseFut;
    type AllocResourcesResponseFut: std::future::Future<Output = Result<UsbFunctionAllocResourcesResult, fidl::Error>>
        + Send;
    fn r#alloc_resources(
        &self,
        interface_count: u8,
        endpoints: Vec<EndpointResource>,
        strings: &[String],
    ) -> Self::AllocResourcesResponseFut;
    type EndpointSetStallResponseFut: std::future::Future<Output = Result<UsbFunctionEndpointSetStallResult, fidl::Error>>
        + Send;
    fn r#endpoint_set_stall(&self, endpoint_address: u8) -> Self::EndpointSetStallResponseFut;
    type EndpointClearStallResponseFut: std::future::Future<Output = Result<UsbFunctionEndpointClearStallResult, fidl::Error>>
        + Send;
    fn r#endpoint_clear_stall(&self, endpoint_address: u8) -> Self::EndpointClearStallResponseFut;
    type ConfigureEndpointResponseFut: std::future::Future<Output = Result<UsbFunctionConfigureEndpointResult, fidl::Error>>
        + Send;
    fn r#configure_endpoint(
        &self,
        endpoint_address: u8,
        endpoint_configuration: &EndpointConfiguration,
    ) -> Self::ConfigureEndpointResponseFut;
    type DisableEndpointResponseFut: std::future::Future<Output = Result<UsbFunctionDisableEndpointResult, fidl::Error>>
        + Send;
    fn r#disable_endpoint(&self, endpoint_address: u8) -> Self::DisableEndpointResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct UsbFunctionSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for UsbFunctionSynchronousProxy {
    type Proxy = UsbFunctionProxy;
    type Protocol = UsbFunctionMarker;

    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 UsbFunctionSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        Self { client: fidl::client::sync::Client::new(channel) }
    }

    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<UsbFunctionEvent, fidl::Error> {
        UsbFunctionEvent::decode(self.client.wait_for_event::<UsbFunctionMarker>(deadline)?)
    }

    /// Connect to an allocated endpoint.
    ///
    /// This must be called after the endpoint has been allocated via [`AllocResources`]. If the
    /// endpoint channel was not provided during `AllocResources`, this method must be called to
    /// establish the endpoint channel before any data transfers can occur on the endpoint.
    ///
    /// If the endpoint channels were not provided in `AllocResources` and this is never called, the
    /// protocol client cannot communicate with the endpoint (no channel is established). This does
    /// not prevent control-plane callbacks (like `SetConfigured`) from being made.
    ///
    /// The endpoint connection persists across `Configure` and `Deconfigure` calls. If the protocol
    /// server closes the connection (server end closes), it indicates that the endpoint is no
    /// longer available (e.g. device disconnected or function removed). The protocol client should
    /// clean up by closing its client end of the channel, cancelling any pending I/O operations,
    /// and stopping any tasks using the endpoint. The protocol client is not required to call
    /// `DisableEndpoint` or `Deconfigure` in this case (and such calls may fail if the interface is
    /// being torn down).
    ///
    /// * error:
    ///     * `ZX_ERR_NOT_FOUND` if endpoint address does not exist (e.g. not allocated).
    ///     * `ZX_ERR_ALREADY_BOUND` if the endpoint is already bound to an active channel. To
    ///       connect a new channel, the existing channel must be closed first. Note that channel
    ///       closure detection is asynchronous; if the protocol client closes the existing channel
    ///       and immediately calls `ConnectToEndpoint`, it may still fail with
    ///       `ZX_ERR_ALREADY_BOUND` if the protocol server has not yet processed the closure.
    pub fn r#connect_to_endpoint(
        &self,
        mut ep_addr: u8,
        mut ep: fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionConnectToEndpointResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionConnectToEndpointRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
            UsbFunctionMarker,
        >(
            (ep_addr, ep,),
            0x11541c67eb1b7f8,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Configure the function with the given descriptors.
    ///
    /// **Ordering**: This must be called after `AllocResources` has been called to allocate all
    /// interfaces, endpoints, and strings referenced in the descriptors. Calling this when already
    /// configured returns `ZX_ERR_ALREADY_BOUND`.
    ///
    /// This binds the [`UsbFunctionInterface`] callback channel (where the protocol client acts as
    /// the server).
    ///
    /// `configuration` is a vector of concatenated USB descriptors in standard USB wire format
    /// (Interface -> Endpoint -> Class/Vendor descriptors). A raw byte vector is used to allow
    /// arbitrary class-specific and vendor-specific descriptors that cannot be statically defined
    /// in FIDL.
    ///
    /// This byte vector is expected to contain one or more interface descriptors following the
    /// USB specification.
    ///
    /// This descriptor block is cached by the peripheral controller and sent *as-is* to the host in
    /// response to standard host `GET_DESCRIPTOR` (Configuration) requests.
    ///
    /// **Structure and Validation**:
    /// - Must begin with an Interface or Interface Association descriptor.
    /// - Standard descriptors (Interface, Endpoint) embedded in the vector must follow the standard
    ///   USB specification descriptor layouts.
    /// - All interface numbers and endpoint addresses must match the resources allocated in
    ///   [`AllocResources`].
    /// - The peripheral controller parses this vector linearly using descriptor length fields.
    ///   Mismatched resource IDs or malformed layouts return `ZX_ERR_INVALID_ARGS`.
    ///
    /// `iface` is the client end of [`UsbFunctionInterface`] which the protocol server uses to send
    /// events to the protocol client.
    ///
    /// The function remains configured until `Deconfigure` is called or the `iface` channel is
    /// closed. If `iface` is closed, the function is automatically deconfigured, which stops the
    /// peripheral controller and disconnects the device from the host.
    ///
    /// * error:
    ///     * `ZX_ERR_INVALID_ARGS` if the configuration is invalid or references unallocated
    ///       resources.
    ///     * `ZX_ERR_ALREADY_BOUND` if the function interface is already bound.
    ///     * `ZX_ERR_NO_MEMORY` if the protocol server fails to allocate memory to store the
    ///       descriptors.
    ///     * `ZX_ERR_BAD_STATE` if the peripheral device is stopping or tearing down.
    pub fn r#configure(
        &self,
        mut configuration: &[u8],
        mut iface: fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionConfigureResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionConfigureRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
            UsbFunctionMarker,
        >(
            (configuration, iface,),
            0x42a444f4abf08b89,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Deconfigure the function.
    ///
    /// **Ordering**: Can be called at any time. If the function is not configured, it trivially
    /// succeeds.
    ///
    /// This is the opposite of `Configure`. The protocol server disables all physical endpoints
    /// for this function, clears its stored descriptors, and unbinds the `iface` channel. If the
    /// function was active, the peripheral controller may trigger a USB re-enumeration to reflect
    /// the updated function configuration.
    ///
    /// This does *not* close the endpoint channels (they remain connected and can be reused if the
    /// function is re-configured).
    ///
    /// * error:
    ///     * `ZX_ERR_UNAVAILABLE` if a deconfiguration is already in progress.
    pub fn r#deconfigure(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionDeconfigureResult, fidl::Error> {
        let _response = self.client.send_query::<
            fidl::encoding::EmptyPayload,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
            UsbFunctionMarker,
        >(
            (),
            0x26ee8c8c826367b2,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Allocate resources for the function.
    ///
    /// This method is atomic. If any resource allocation fails, all allocations made during this
    /// call are rolled back.
    ///
    /// This must be called during driver initialization before `Configure`. Calling this after the
    /// function has been configured returns `ZX_ERR_BAD_STATE`.
    ///
    /// `interface_count` informs how many interfaces to create. `interface_nums` returns a vector
    /// of length `interface_count` containing the allocated interface numbers.
    ///
    /// `endpoints` is a vector of endpoints to allocate. The direction and endpoint server end are
    /// provided. The protocol client can optionally provide endpoint channels in `endpoints`
    /// to connect them immediately. If an endpoint channel is not provided, the protocol client
    /// must call [`ConnectToEndpoint`] later to use it. `endpoint_addrs` returns a vector of the
    /// same size containing the allocated endpoint addresses, where element `i` corresponds 1:1
    /// to element `i` of `endpoints`. All endpoint channels provided here or connected later via
    /// [`ConnectToEndpoint`] persist across [`Configure`] and [`Deconfigure`] calls.
    ///
    /// `strings` is a vector of strings to allocate. `string_indices` returns a vector of the
    /// same size containing the allocated string indices, where element `i` corresponds 1:1 to
    /// element `i` of `strings`.
    ///
    /// Returns the interface ids, endpoint ids, and string ids that were allocated. On error, no
    /// resources are allocated.
    ///
    /// The allocated resource numbers and addresses remain allocated for the lifetime of the
    /// connection to `UsbFunction`. They are *not* freed on `Deconfigure`.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function has already been configured.
    ///     * `ZX_ERR_NO_RESOURCES` if any resource namespace numbers are exhausted.
    ///     * `ZX_ERR_INVALID_ARGS` if the endpoint configuration contains invalid arguments.
    pub fn r#alloc_resources(
        &self,
        mut interface_count: u8,
        mut endpoints: Vec<EndpointResource>,
        mut strings: &[String],
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionAllocResourcesResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionAllocResourcesRequest,
            fidl::encoding::ResultType<UsbFunctionAllocResourcesResponse, i32>,
            UsbFunctionMarker,
        >(
            (interface_count, endpoints.as_mut(), strings,),
            0x5ab7133ab195daa0,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| (x.interface_nums, x.endpoint_addrs, x.string_indices)))
    }

    /// Stall the endpoint.
    ///
    /// The endpoint must have been allocated and configured.
    ///
    /// This method returns after the hardware confirms the stall condition is active. All pending
    /// transfers queued on the endpoint are cancelled and completed with `ZX_ERR_IO_REFUSED` via
    /// `OnCompletion`. While the endpoint is stalled, any new requests submitted via
    /// `QueueRequests` must immediately fail and complete with `ZX_ERR_IO_REFUSED`.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function is not configured.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    pub fn r#endpoint_set_stall(
        &self,
        mut endpoint_address: u8,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionEndpointSetStallResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionEndpointSetStallRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
            UsbFunctionMarker,
        >(
            (endpoint_address,),
            0x1f32c374dac955f1,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Clear the endpoint's stalled state.
    ///
    /// The endpoint must have been allocated and configured.
    ///
    /// This method returns after the hardware confirms the stall has been cleared. As required by
    /// USB 2.0 Section 9.4.5, clearing the halt feature also resets the endpoint's data toggle bit
    /// to `DATA0` in hardware. The client must resubmit any cancelled transfers once the endpoint
    /// is cleared. Any requests queued *after* this method returns are processed normally.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function is not configured.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    pub fn r#endpoint_clear_stall(
        &self,
        mut endpoint_address: u8,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionEndpointClearStallResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionEndpointClearStallRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
            UsbFunctionMarker,
        >(
            (endpoint_address,),
            0x221d9488ac58aaba,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Configure and enable an endpoint with the given configuration.
    ///
    /// Called by the function driver in response to `SetConfigured` (when `configured == true`) or
    /// `SetInterface` requests to enable physical transfers on the endpoint. Calling this before
    /// the function has been configured via `Configure` returns `ZX_ERR_BAD_STATE`. Clients should
    /// wait for the `SetConfigured` or `SetInterface` request before configuring endpoints to
    /// ensure the host is ready.
    ///
    /// The endpoint must have been allocated via `AllocResources`.
    ///
    /// Returns only after the physical endpoint has been configured by the DCI driver.
    ///
    /// See USB 2.0 Specification Section 9.6.6 (Endpoint Descriptor) for details on the standard
    /// endpoint configuration fields mapped in `EndpointConfiguration`.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function is not configured.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    ///     * `ZX_ERR_INVALID_ARGS` if the configuration is invalid.
    pub fn r#configure_endpoint(
        &self,
        mut endpoint_address: u8,
        mut endpoint_configuration: &EndpointConfiguration,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionConfigureEndpointResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionConfigureEndpointRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
            UsbFunctionMarker,
        >(
            (endpoint_address, endpoint_configuration,),
            0x314c9dc3c37ebb7c,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Disable an endpoint.
    ///
    /// Called by the function driver in response to `SetConfigured` (when `configured == false`)
    /// or `SetInterface` requests to disable physical transfers on the endpoint. Calling this when
    /// the endpoint is already disabled is a no-op and returns `ZX_OK`. If called before the
    /// function has been configured via `Configure`, it also trivially succeeds (`ZX_OK`), as the
    /// endpoint is already unconfigured and disabled.
    ///
    /// The endpoint must have been allocated via `AllocResources`.
    ///
    /// Returns only after the physical endpoint has been disabled by the DCI driver.
    ///
    /// * error:
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    pub fn r#disable_endpoint(
        &self,
        mut endpoint_address: u8,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionDisableEndpointResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionDisableEndpointRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
            UsbFunctionMarker,
        >(
            (endpoint_address,),
            0x112a132561499b6e,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }
}

#[cfg(target_os = "fuchsia")]
impl From<UsbFunctionSynchronousProxy> for zx::NullableHandle {
    fn from(value: UsbFunctionSynchronousProxy) -> Self {
        value.into_channel().into()
    }
}

#[cfg(target_os = "fuchsia")]
impl From<fidl::Channel> for UsbFunctionSynchronousProxy {
    fn from(value: fidl::Channel) -> Self {
        Self::new(value)
    }
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::FromClient for UsbFunctionSynchronousProxy {
    type Protocol = UsbFunctionMarker;

    fn from_client(value: fidl::endpoints::ClientEnd<UsbFunctionMarker>) -> Self {
        Self::new(value.into_channel())
    }
}

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

impl fidl::endpoints::Proxy for UsbFunctionProxy {
    type Protocol = UsbFunctionMarker;

    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 UsbFunctionProxy {
    /// Create a new Proxy for fuchsia.hardware.usb.function/UsbFunction.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <UsbFunctionMarker 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) -> UsbFunctionEventStream {
        UsbFunctionEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Connect to an allocated endpoint.
    ///
    /// This must be called after the endpoint has been allocated via [`AllocResources`]. If the
    /// endpoint channel was not provided during `AllocResources`, this method must be called to
    /// establish the endpoint channel before any data transfers can occur on the endpoint.
    ///
    /// If the endpoint channels were not provided in `AllocResources` and this is never called, the
    /// protocol client cannot communicate with the endpoint (no channel is established). This does
    /// not prevent control-plane callbacks (like `SetConfigured`) from being made.
    ///
    /// The endpoint connection persists across `Configure` and `Deconfigure` calls. If the protocol
    /// server closes the connection (server end closes), it indicates that the endpoint is no
    /// longer available (e.g. device disconnected or function removed). The protocol client should
    /// clean up by closing its client end of the channel, cancelling any pending I/O operations,
    /// and stopping any tasks using the endpoint. The protocol client is not required to call
    /// `DisableEndpoint` or `Deconfigure` in this case (and such calls may fail if the interface is
    /// being torn down).
    ///
    /// * error:
    ///     * `ZX_ERR_NOT_FOUND` if endpoint address does not exist (e.g. not allocated).
    ///     * `ZX_ERR_ALREADY_BOUND` if the endpoint is already bound to an active channel. To
    ///       connect a new channel, the existing channel must be closed first. Note that channel
    ///       closure detection is asynchronous; if the protocol client closes the existing channel
    ///       and immediately calls `ConnectToEndpoint`, it may still fail with
    ///       `ZX_ERR_ALREADY_BOUND` if the protocol server has not yet processed the closure.
    pub fn r#connect_to_endpoint(
        &self,
        mut ep_addr: u8,
        mut ep: fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionConnectToEndpointResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionProxyInterface::r#connect_to_endpoint(self, ep_addr, ep)
    }

    /// Configure the function with the given descriptors.
    ///
    /// **Ordering**: This must be called after `AllocResources` has been called to allocate all
    /// interfaces, endpoints, and strings referenced in the descriptors. Calling this when already
    /// configured returns `ZX_ERR_ALREADY_BOUND`.
    ///
    /// This binds the [`UsbFunctionInterface`] callback channel (where the protocol client acts as
    /// the server).
    ///
    /// `configuration` is a vector of concatenated USB descriptors in standard USB wire format
    /// (Interface -> Endpoint -> Class/Vendor descriptors). A raw byte vector is used to allow
    /// arbitrary class-specific and vendor-specific descriptors that cannot be statically defined
    /// in FIDL.
    ///
    /// This byte vector is expected to contain one or more interface descriptors following the
    /// USB specification.
    ///
    /// This descriptor block is cached by the peripheral controller and sent *as-is* to the host in
    /// response to standard host `GET_DESCRIPTOR` (Configuration) requests.
    ///
    /// **Structure and Validation**:
    /// - Must begin with an Interface or Interface Association descriptor.
    /// - Standard descriptors (Interface, Endpoint) embedded in the vector must follow the standard
    ///   USB specification descriptor layouts.
    /// - All interface numbers and endpoint addresses must match the resources allocated in
    ///   [`AllocResources`].
    /// - The peripheral controller parses this vector linearly using descriptor length fields.
    ///   Mismatched resource IDs or malformed layouts return `ZX_ERR_INVALID_ARGS`.
    ///
    /// `iface` is the client end of [`UsbFunctionInterface`] which the protocol server uses to send
    /// events to the protocol client.
    ///
    /// The function remains configured until `Deconfigure` is called or the `iface` channel is
    /// closed. If `iface` is closed, the function is automatically deconfigured, which stops the
    /// peripheral controller and disconnects the device from the host.
    ///
    /// * error:
    ///     * `ZX_ERR_INVALID_ARGS` if the configuration is invalid or references unallocated
    ///       resources.
    ///     * `ZX_ERR_ALREADY_BOUND` if the function interface is already bound.
    ///     * `ZX_ERR_NO_MEMORY` if the protocol server fails to allocate memory to store the
    ///       descriptors.
    ///     * `ZX_ERR_BAD_STATE` if the peripheral device is stopping or tearing down.
    pub fn r#configure(
        &self,
        mut configuration: &[u8],
        mut iface: fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>,
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionConfigureResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionProxyInterface::r#configure(self, configuration, iface)
    }

    /// Deconfigure the function.
    ///
    /// **Ordering**: Can be called at any time. If the function is not configured, it trivially
    /// succeeds.
    ///
    /// This is the opposite of `Configure`. The protocol server disables all physical endpoints
    /// for this function, clears its stored descriptors, and unbinds the `iface` channel. If the
    /// function was active, the peripheral controller may trigger a USB re-enumeration to reflect
    /// the updated function configuration.
    ///
    /// This does *not* close the endpoint channels (they remain connected and can be reused if the
    /// function is re-configured).
    ///
    /// * error:
    ///     * `ZX_ERR_UNAVAILABLE` if a deconfiguration is already in progress.
    pub fn r#deconfigure(
        &self,
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionDeconfigureResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionProxyInterface::r#deconfigure(self)
    }

    /// Allocate resources for the function.
    ///
    /// This method is atomic. If any resource allocation fails, all allocations made during this
    /// call are rolled back.
    ///
    /// This must be called during driver initialization before `Configure`. Calling this after the
    /// function has been configured returns `ZX_ERR_BAD_STATE`.
    ///
    /// `interface_count` informs how many interfaces to create. `interface_nums` returns a vector
    /// of length `interface_count` containing the allocated interface numbers.
    ///
    /// `endpoints` is a vector of endpoints to allocate. The direction and endpoint server end are
    /// provided. The protocol client can optionally provide endpoint channels in `endpoints`
    /// to connect them immediately. If an endpoint channel is not provided, the protocol client
    /// must call [`ConnectToEndpoint`] later to use it. `endpoint_addrs` returns a vector of the
    /// same size containing the allocated endpoint addresses, where element `i` corresponds 1:1
    /// to element `i` of `endpoints`. All endpoint channels provided here or connected later via
    /// [`ConnectToEndpoint`] persist across [`Configure`] and [`Deconfigure`] calls.
    ///
    /// `strings` is a vector of strings to allocate. `string_indices` returns a vector of the
    /// same size containing the allocated string indices, where element `i` corresponds 1:1 to
    /// element `i` of `strings`.
    ///
    /// Returns the interface ids, endpoint ids, and string ids that were allocated. On error, no
    /// resources are allocated.
    ///
    /// The allocated resource numbers and addresses remain allocated for the lifetime of the
    /// connection to `UsbFunction`. They are *not* freed on `Deconfigure`.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function has already been configured.
    ///     * `ZX_ERR_NO_RESOURCES` if any resource namespace numbers are exhausted.
    ///     * `ZX_ERR_INVALID_ARGS` if the endpoint configuration contains invalid arguments.
    pub fn r#alloc_resources(
        &self,
        mut interface_count: u8,
        mut endpoints: Vec<EndpointResource>,
        mut strings: &[String],
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionAllocResourcesResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionProxyInterface::r#alloc_resources(self, interface_count, endpoints, strings)
    }

    /// Stall the endpoint.
    ///
    /// The endpoint must have been allocated and configured.
    ///
    /// This method returns after the hardware confirms the stall condition is active. All pending
    /// transfers queued on the endpoint are cancelled and completed with `ZX_ERR_IO_REFUSED` via
    /// `OnCompletion`. While the endpoint is stalled, any new requests submitted via
    /// `QueueRequests` must immediately fail and complete with `ZX_ERR_IO_REFUSED`.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function is not configured.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    pub fn r#endpoint_set_stall(
        &self,
        mut endpoint_address: u8,
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionEndpointSetStallResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionProxyInterface::r#endpoint_set_stall(self, endpoint_address)
    }

    /// Clear the endpoint's stalled state.
    ///
    /// The endpoint must have been allocated and configured.
    ///
    /// This method returns after the hardware confirms the stall has been cleared. As required by
    /// USB 2.0 Section 9.4.5, clearing the halt feature also resets the endpoint's data toggle bit
    /// to `DATA0` in hardware. The client must resubmit any cancelled transfers once the endpoint
    /// is cleared. Any requests queued *after* this method returns are processed normally.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function is not configured.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    pub fn r#endpoint_clear_stall(
        &self,
        mut endpoint_address: u8,
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionEndpointClearStallResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionProxyInterface::r#endpoint_clear_stall(self, endpoint_address)
    }

    /// Configure and enable an endpoint with the given configuration.
    ///
    /// Called by the function driver in response to `SetConfigured` (when `configured == true`) or
    /// `SetInterface` requests to enable physical transfers on the endpoint. Calling this before
    /// the function has been configured via `Configure` returns `ZX_ERR_BAD_STATE`. Clients should
    /// wait for the `SetConfigured` or `SetInterface` request before configuring endpoints to
    /// ensure the host is ready.
    ///
    /// The endpoint must have been allocated via `AllocResources`.
    ///
    /// Returns only after the physical endpoint has been configured by the DCI driver.
    ///
    /// See USB 2.0 Specification Section 9.6.6 (Endpoint Descriptor) for details on the standard
    /// endpoint configuration fields mapped in `EndpointConfiguration`.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function is not configured.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    ///     * `ZX_ERR_INVALID_ARGS` if the configuration is invalid.
    pub fn r#configure_endpoint(
        &self,
        mut endpoint_address: u8,
        mut endpoint_configuration: &EndpointConfiguration,
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionConfigureEndpointResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionProxyInterface::r#configure_endpoint(
            self,
            endpoint_address,
            endpoint_configuration,
        )
    }

    /// Disable an endpoint.
    ///
    /// Called by the function driver in response to `SetConfigured` (when `configured == false`)
    /// or `SetInterface` requests to disable physical transfers on the endpoint. Calling this when
    /// the endpoint is already disabled is a no-op and returns `ZX_OK`. If called before the
    /// function has been configured via `Configure`, it also trivially succeeds (`ZX_OK`), as the
    /// endpoint is already unconfigured and disabled.
    ///
    /// The endpoint must have been allocated via `AllocResources`.
    ///
    /// Returns only after the physical endpoint has been disabled by the DCI driver.
    ///
    /// * error:
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    pub fn r#disable_endpoint(
        &self,
        mut endpoint_address: u8,
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionDisableEndpointResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionProxyInterface::r#disable_endpoint(self, endpoint_address)
    }
}

impl UsbFunctionProxyInterface for UsbFunctionProxy {
    type ConnectToEndpointResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionConnectToEndpointResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#connect_to_endpoint(
        &self,
        mut ep_addr: u8,
        mut ep: fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
    ) -> Self::ConnectToEndpointResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionConnectToEndpointResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x11541c67eb1b7f8,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            UsbFunctionConnectToEndpointRequest,
            UsbFunctionConnectToEndpointResult,
        >(
            (ep_addr, ep,),
            0x11541c67eb1b7f8,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type ConfigureResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionConfigureResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#configure(
        &self,
        mut configuration: &[u8],
        mut iface: fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>,
    ) -> Self::ConfigureResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionConfigureResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x42a444f4abf08b89,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<UsbFunctionConfigureRequest, UsbFunctionConfigureResult>(
                (configuration, iface),
                0x42a444f4abf08b89,
                fidl::encoding::DynamicFlags::empty(),
                _decode,
            )
    }

    type DeconfigureResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionDeconfigureResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#deconfigure(&self) -> Self::DeconfigureResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionDeconfigureResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x26ee8c8c826367b2,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<fidl::encoding::EmptyPayload, UsbFunctionDeconfigureResult>(
                (),
                0x26ee8c8c826367b2,
                fidl::encoding::DynamicFlags::empty(),
                _decode,
            )
    }

    type AllocResourcesResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionAllocResourcesResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#alloc_resources(
        &self,
        mut interface_count: u8,
        mut endpoints: Vec<EndpointResource>,
        mut strings: &[String],
    ) -> Self::AllocResourcesResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionAllocResourcesResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<UsbFunctionAllocResourcesResponse, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x5ab7133ab195daa0,
            >(_buf?)?;
            Ok(_response.map(|x| (x.interface_nums, x.endpoint_addrs, x.string_indices)))
        }
        self.client.send_query_and_decode::<
            UsbFunctionAllocResourcesRequest,
            UsbFunctionAllocResourcesResult,
        >(
            (interface_count, endpoints.as_mut(), strings,),
            0x5ab7133ab195daa0,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type EndpointSetStallResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionEndpointSetStallResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#endpoint_set_stall(&self, mut endpoint_address: u8) -> Self::EndpointSetStallResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionEndpointSetStallResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x1f32c374dac955f1,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            UsbFunctionEndpointSetStallRequest,
            UsbFunctionEndpointSetStallResult,
        >(
            (endpoint_address,),
            0x1f32c374dac955f1,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type EndpointClearStallResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionEndpointClearStallResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#endpoint_clear_stall(
        &self,
        mut endpoint_address: u8,
    ) -> Self::EndpointClearStallResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionEndpointClearStallResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x221d9488ac58aaba,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            UsbFunctionEndpointClearStallRequest,
            UsbFunctionEndpointClearStallResult,
        >(
            (endpoint_address,),
            0x221d9488ac58aaba,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type ConfigureEndpointResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionConfigureEndpointResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#configure_endpoint(
        &self,
        mut endpoint_address: u8,
        mut endpoint_configuration: &EndpointConfiguration,
    ) -> Self::ConfigureEndpointResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionConfigureEndpointResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x314c9dc3c37ebb7c,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            UsbFunctionConfigureEndpointRequest,
            UsbFunctionConfigureEndpointResult,
        >(
            (endpoint_address, endpoint_configuration,),
            0x314c9dc3c37ebb7c,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type DisableEndpointResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionDisableEndpointResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#disable_endpoint(&self, mut endpoint_address: u8) -> Self::DisableEndpointResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionDisableEndpointResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x112a132561499b6e,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            UsbFunctionDisableEndpointRequest,
            UsbFunctionDisableEndpointResult,
        >(
            (endpoint_address,),
            0x112a132561499b6e,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

impl futures::Stream for UsbFunctionEventStream {
    type Item = Result<UsbFunctionEvent, 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(UsbFunctionEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

#[derive(Debug)]
pub enum UsbFunctionEvent {}

impl UsbFunctionEvent {
    /// Decodes a message buffer as a [`UsbFunctionEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<UsbFunctionEvent, 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 {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <UsbFunctionMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.hardware.usb.function/UsbFunction.
pub struct UsbFunctionRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for UsbFunctionRequestStream {
    type Protocol = UsbFunctionMarker;
    type ControlHandle = UsbFunctionControlHandle;

    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 {
        UsbFunctionControlHandle { 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 UsbFunctionRequestStream {
    type Item = Result<UsbFunctionRequest, 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 UsbFunctionRequestStream 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 {
                    0x11541c67eb1b7f8 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            UsbFunctionConnectToEndpointRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionConnectToEndpointRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = UsbFunctionControlHandle { inner: this.inner.clone() };
                        Ok(UsbFunctionRequest::ConnectToEndpoint {
                            ep_addr: req.ep_addr,
                            ep: req.ep,

                            responder: UsbFunctionConnectToEndpointResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x42a444f4abf08b89 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            UsbFunctionConfigureRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionConfigureRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = UsbFunctionControlHandle { inner: this.inner.clone() };
                        Ok(UsbFunctionRequest::Configure {
                            configuration: req.configuration,
                            iface: req.iface,

                            responder: UsbFunctionConfigureResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x26ee8c8c826367b2 => {
                        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 = UsbFunctionControlHandle { inner: this.inner.clone() };
                        Ok(UsbFunctionRequest::Deconfigure {
                            responder: UsbFunctionDeconfigureResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x5ab7133ab195daa0 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            UsbFunctionAllocResourcesRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionAllocResourcesRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = UsbFunctionControlHandle { inner: this.inner.clone() };
                        Ok(UsbFunctionRequest::AllocResources {
                            interface_count: req.interface_count,
                            endpoints: req.endpoints,
                            strings: req.strings,

                            responder: UsbFunctionAllocResourcesResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x1f32c374dac955f1 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            UsbFunctionEndpointSetStallRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionEndpointSetStallRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = UsbFunctionControlHandle { inner: this.inner.clone() };
                        Ok(UsbFunctionRequest::EndpointSetStall {
                            endpoint_address: req.endpoint_address,

                            responder: UsbFunctionEndpointSetStallResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x221d9488ac58aaba => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            UsbFunctionEndpointClearStallRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionEndpointClearStallRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = UsbFunctionControlHandle { inner: this.inner.clone() };
                        Ok(UsbFunctionRequest::EndpointClearStall {
                            endpoint_address: req.endpoint_address,

                            responder: UsbFunctionEndpointClearStallResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x314c9dc3c37ebb7c => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            UsbFunctionConfigureEndpointRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionConfigureEndpointRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = UsbFunctionControlHandle { inner: this.inner.clone() };
                        Ok(UsbFunctionRequest::ConfigureEndpoint {
                            endpoint_address: req.endpoint_address,
                            endpoint_configuration: req.endpoint_configuration,

                            responder: UsbFunctionConfigureEndpointResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x112a132561499b6e => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            UsbFunctionDisableEndpointRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionDisableEndpointRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = UsbFunctionControlHandle { inner: this.inner.clone() };
                        Ok(UsbFunctionRequest::DisableEndpoint {
                            endpoint_address: req.endpoint_address,

                            responder: UsbFunctionDisableEndpointResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <UsbFunctionMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// Protocol for configuring a USB function.
///
/// This protocol is implemented by the USB peripheral controller (protocol server) and called by
/// the USB function driver (protocol client).
///
/// Closing the `UsbFunction` channel automatically deconfigures the function and closes the `iface`
/// ([`UsbFunctionInterface`]) channel.
#[derive(Debug)]
pub enum UsbFunctionRequest {
    /// Connect to an allocated endpoint.
    ///
    /// This must be called after the endpoint has been allocated via [`AllocResources`]. If the
    /// endpoint channel was not provided during `AllocResources`, this method must be called to
    /// establish the endpoint channel before any data transfers can occur on the endpoint.
    ///
    /// If the endpoint channels were not provided in `AllocResources` and this is never called, the
    /// protocol client cannot communicate with the endpoint (no channel is established). This does
    /// not prevent control-plane callbacks (like `SetConfigured`) from being made.
    ///
    /// The endpoint connection persists across `Configure` and `Deconfigure` calls. If the protocol
    /// server closes the connection (server end closes), it indicates that the endpoint is no
    /// longer available (e.g. device disconnected or function removed). The protocol client should
    /// clean up by closing its client end of the channel, cancelling any pending I/O operations,
    /// and stopping any tasks using the endpoint. The protocol client is not required to call
    /// `DisableEndpoint` or `Deconfigure` in this case (and such calls may fail if the interface is
    /// being torn down).
    ///
    /// * error:
    ///     * `ZX_ERR_NOT_FOUND` if endpoint address does not exist (e.g. not allocated).
    ///     * `ZX_ERR_ALREADY_BOUND` if the endpoint is already bound to an active channel. To
    ///       connect a new channel, the existing channel must be closed first. Note that channel
    ///       closure detection is asynchronous; if the protocol client closes the existing channel
    ///       and immediately calls `ConnectToEndpoint`, it may still fail with
    ///       `ZX_ERR_ALREADY_BOUND` if the protocol server has not yet processed the closure.
    ConnectToEndpoint {
        ep_addr: u8,
        ep: fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
        responder: UsbFunctionConnectToEndpointResponder,
    },
    /// Configure the function with the given descriptors.
    ///
    /// **Ordering**: This must be called after `AllocResources` has been called to allocate all
    /// interfaces, endpoints, and strings referenced in the descriptors. Calling this when already
    /// configured returns `ZX_ERR_ALREADY_BOUND`.
    ///
    /// This binds the [`UsbFunctionInterface`] callback channel (where the protocol client acts as
    /// the server).
    ///
    /// `configuration` is a vector of concatenated USB descriptors in standard USB wire format
    /// (Interface -> Endpoint -> Class/Vendor descriptors). A raw byte vector is used to allow
    /// arbitrary class-specific and vendor-specific descriptors that cannot be statically defined
    /// in FIDL.
    ///
    /// This byte vector is expected to contain one or more interface descriptors following the
    /// USB specification.
    ///
    /// This descriptor block is cached by the peripheral controller and sent *as-is* to the host in
    /// response to standard host `GET_DESCRIPTOR` (Configuration) requests.
    ///
    /// **Structure and Validation**:
    /// - Must begin with an Interface or Interface Association descriptor.
    /// - Standard descriptors (Interface, Endpoint) embedded in the vector must follow the standard
    ///   USB specification descriptor layouts.
    /// - All interface numbers and endpoint addresses must match the resources allocated in
    ///   [`AllocResources`].
    /// - The peripheral controller parses this vector linearly using descriptor length fields.
    ///   Mismatched resource IDs or malformed layouts return `ZX_ERR_INVALID_ARGS`.
    ///
    /// `iface` is the client end of [`UsbFunctionInterface`] which the protocol server uses to send
    /// events to the protocol client.
    ///
    /// The function remains configured until `Deconfigure` is called or the `iface` channel is
    /// closed. If `iface` is closed, the function is automatically deconfigured, which stops the
    /// peripheral controller and disconnects the device from the host.
    ///
    /// * error:
    ///     * `ZX_ERR_INVALID_ARGS` if the configuration is invalid or references unallocated
    ///       resources.
    ///     * `ZX_ERR_ALREADY_BOUND` if the function interface is already bound.
    ///     * `ZX_ERR_NO_MEMORY` if the protocol server fails to allocate memory to store the
    ///       descriptors.
    ///     * `ZX_ERR_BAD_STATE` if the peripheral device is stopping or tearing down.
    Configure {
        configuration: Vec<u8>,
        iface: fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>,
        responder: UsbFunctionConfigureResponder,
    },
    /// Deconfigure the function.
    ///
    /// **Ordering**: Can be called at any time. If the function is not configured, it trivially
    /// succeeds.
    ///
    /// This is the opposite of `Configure`. The protocol server disables all physical endpoints
    /// for this function, clears its stored descriptors, and unbinds the `iface` channel. If the
    /// function was active, the peripheral controller may trigger a USB re-enumeration to reflect
    /// the updated function configuration.
    ///
    /// This does *not* close the endpoint channels (they remain connected and can be reused if the
    /// function is re-configured).
    ///
    /// * error:
    ///     * `ZX_ERR_UNAVAILABLE` if a deconfiguration is already in progress.
    Deconfigure { responder: UsbFunctionDeconfigureResponder },
    /// Allocate resources for the function.
    ///
    /// This method is atomic. If any resource allocation fails, all allocations made during this
    /// call are rolled back.
    ///
    /// This must be called during driver initialization before `Configure`. Calling this after the
    /// function has been configured returns `ZX_ERR_BAD_STATE`.
    ///
    /// `interface_count` informs how many interfaces to create. `interface_nums` returns a vector
    /// of length `interface_count` containing the allocated interface numbers.
    ///
    /// `endpoints` is a vector of endpoints to allocate. The direction and endpoint server end are
    /// provided. The protocol client can optionally provide endpoint channels in `endpoints`
    /// to connect them immediately. If an endpoint channel is not provided, the protocol client
    /// must call [`ConnectToEndpoint`] later to use it. `endpoint_addrs` returns a vector of the
    /// same size containing the allocated endpoint addresses, where element `i` corresponds 1:1
    /// to element `i` of `endpoints`. All endpoint channels provided here or connected later via
    /// [`ConnectToEndpoint`] persist across [`Configure`] and [`Deconfigure`] calls.
    ///
    /// `strings` is a vector of strings to allocate. `string_indices` returns a vector of the
    /// same size containing the allocated string indices, where element `i` corresponds 1:1 to
    /// element `i` of `strings`.
    ///
    /// Returns the interface ids, endpoint ids, and string ids that were allocated. On error, no
    /// resources are allocated.
    ///
    /// The allocated resource numbers and addresses remain allocated for the lifetime of the
    /// connection to `UsbFunction`. They are *not* freed on `Deconfigure`.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function has already been configured.
    ///     * `ZX_ERR_NO_RESOURCES` if any resource namespace numbers are exhausted.
    ///     * `ZX_ERR_INVALID_ARGS` if the endpoint configuration contains invalid arguments.
    AllocResources {
        interface_count: u8,
        endpoints: Vec<EndpointResource>,
        strings: Vec<String>,
        responder: UsbFunctionAllocResourcesResponder,
    },
    /// Stall the endpoint.
    ///
    /// The endpoint must have been allocated and configured.
    ///
    /// This method returns after the hardware confirms the stall condition is active. All pending
    /// transfers queued on the endpoint are cancelled and completed with `ZX_ERR_IO_REFUSED` via
    /// `OnCompletion`. While the endpoint is stalled, any new requests submitted via
    /// `QueueRequests` must immediately fail and complete with `ZX_ERR_IO_REFUSED`.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function is not configured.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    EndpointSetStall { endpoint_address: u8, responder: UsbFunctionEndpointSetStallResponder },
    /// Clear the endpoint's stalled state.
    ///
    /// The endpoint must have been allocated and configured.
    ///
    /// This method returns after the hardware confirms the stall has been cleared. As required by
    /// USB 2.0 Section 9.4.5, clearing the halt feature also resets the endpoint's data toggle bit
    /// to `DATA0` in hardware. The client must resubmit any cancelled transfers once the endpoint
    /// is cleared. Any requests queued *after* this method returns are processed normally.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function is not configured.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    EndpointClearStall { endpoint_address: u8, responder: UsbFunctionEndpointClearStallResponder },
    /// Configure and enable an endpoint with the given configuration.
    ///
    /// Called by the function driver in response to `SetConfigured` (when `configured == true`) or
    /// `SetInterface` requests to enable physical transfers on the endpoint. Calling this before
    /// the function has been configured via `Configure` returns `ZX_ERR_BAD_STATE`. Clients should
    /// wait for the `SetConfigured` or `SetInterface` request before configuring endpoints to
    /// ensure the host is ready.
    ///
    /// The endpoint must have been allocated via `AllocResources`.
    ///
    /// Returns only after the physical endpoint has been configured by the DCI driver.
    ///
    /// See USB 2.0 Specification Section 9.6.6 (Endpoint Descriptor) for details on the standard
    /// endpoint configuration fields mapped in `EndpointConfiguration`.
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the function is not configured.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    ///     * `ZX_ERR_INVALID_ARGS` if the configuration is invalid.
    ConfigureEndpoint {
        endpoint_address: u8,
        endpoint_configuration: EndpointConfiguration,
        responder: UsbFunctionConfigureEndpointResponder,
    },
    /// Disable an endpoint.
    ///
    /// Called by the function driver in response to `SetConfigured` (when `configured == false`)
    /// or `SetInterface` requests to disable physical transfers on the endpoint. Calling this when
    /// the endpoint is already disabled is a no-op and returns `ZX_OK`. If called before the
    /// function has been configured via `Configure`, it also trivially succeeds (`ZX_OK`), as the
    /// endpoint is already unconfigured and disabled.
    ///
    /// The endpoint must have been allocated via `AllocResources`.
    ///
    /// Returns only after the physical endpoint has been disabled by the DCI driver.
    ///
    /// * error:
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device is not running, disconnected, or inactive.
    ///     * `ZX_ERR_NOT_FOUND` if the endpoint address does not exist (not allocated).
    DisableEndpoint { endpoint_address: u8, responder: UsbFunctionDisableEndpointResponder },
}

impl UsbFunctionRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_connect_to_endpoint(
        self,
    ) -> Option<(
        u8,
        fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
        UsbFunctionConnectToEndpointResponder,
    )> {
        if let UsbFunctionRequest::ConnectToEndpoint { ep_addr, ep, responder } = self {
            Some((ep_addr, ep, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_configure(
        self,
    ) -> Option<(
        Vec<u8>,
        fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>,
        UsbFunctionConfigureResponder,
    )> {
        if let UsbFunctionRequest::Configure { configuration, iface, responder } = self {
            Some((configuration, iface, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_deconfigure(self) -> Option<(UsbFunctionDeconfigureResponder)> {
        if let UsbFunctionRequest::Deconfigure { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_alloc_resources(
        self,
    ) -> Option<(u8, Vec<EndpointResource>, Vec<String>, UsbFunctionAllocResourcesResponder)> {
        if let UsbFunctionRequest::AllocResources {
            interface_count,
            endpoints,
            strings,
            responder,
        } = self
        {
            Some((interface_count, endpoints, strings, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_endpoint_set_stall(self) -> Option<(u8, UsbFunctionEndpointSetStallResponder)> {
        if let UsbFunctionRequest::EndpointSetStall { endpoint_address, responder } = self {
            Some((endpoint_address, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_endpoint_clear_stall(self) -> Option<(u8, UsbFunctionEndpointClearStallResponder)> {
        if let UsbFunctionRequest::EndpointClearStall { endpoint_address, responder } = self {
            Some((endpoint_address, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_configure_endpoint(
        self,
    ) -> Option<(u8, EndpointConfiguration, UsbFunctionConfigureEndpointResponder)> {
        if let UsbFunctionRequest::ConfigureEndpoint {
            endpoint_address,
            endpoint_configuration,
            responder,
        } = self
        {
            Some((endpoint_address, endpoint_configuration, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_disable_endpoint(self) -> Option<(u8, UsbFunctionDisableEndpointResponder)> {
        if let UsbFunctionRequest::DisableEndpoint { endpoint_address, responder } = self {
            Some((endpoint_address, responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            UsbFunctionRequest::ConnectToEndpoint { .. } => "connect_to_endpoint",
            UsbFunctionRequest::Configure { .. } => "configure",
            UsbFunctionRequest::Deconfigure { .. } => "deconfigure",
            UsbFunctionRequest::AllocResources { .. } => "alloc_resources",
            UsbFunctionRequest::EndpointSetStall { .. } => "endpoint_set_stall",
            UsbFunctionRequest::EndpointClearStall { .. } => "endpoint_clear_stall",
            UsbFunctionRequest::ConfigureEndpoint { .. } => "configure_endpoint",
            UsbFunctionRequest::DisableEndpoint { .. } => "disable_endpoint",
        }
    }
}

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

impl UsbFunctionControlHandle {
    pub fn shutdown_with_epitaph(&self, status: impl Into<fidl::Epitaph>) {
        self.inner.shutdown_with_epitaph(status.into())
    }
}

impl fidl::endpoints::ControlHandle for UsbFunctionControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }

    fn shutdown_with_epitaph(&self, status: fidl::Epitaph) {
        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 UsbFunctionControlHandle {}

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

/// Set the the channel to be shutdown (see [`UsbFunctionControlHandle::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 UsbFunctionConnectToEndpointResponder {
    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 UsbFunctionConnectToEndpointResponder {
    type ControlHandle = UsbFunctionControlHandle;

    fn control_handle(&self) -> &UsbFunctionControlHandle {
        &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 UsbFunctionConnectToEndpointResponder {
    /// 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,
                0x11541c67eb1b7f8,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

/// Set the the channel to be shutdown (see [`UsbFunctionControlHandle::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 UsbFunctionConfigureResponder {
    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 UsbFunctionConfigureResponder {
    type ControlHandle = UsbFunctionControlHandle;

    fn control_handle(&self) -> &UsbFunctionControlHandle {
        &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 UsbFunctionConfigureResponder {
    /// 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,
                0x42a444f4abf08b89,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

/// Set the the channel to be shutdown (see [`UsbFunctionControlHandle::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 UsbFunctionDeconfigureResponder {
    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 UsbFunctionDeconfigureResponder {
    type ControlHandle = UsbFunctionControlHandle;

    fn control_handle(&self) -> &UsbFunctionControlHandle {
        &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 UsbFunctionDeconfigureResponder {
    /// 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,
                0x26ee8c8c826367b2,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

/// Set the the channel to be shutdown (see [`UsbFunctionControlHandle::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 UsbFunctionAllocResourcesResponder {
    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 UsbFunctionAllocResourcesResponder {
    type ControlHandle = UsbFunctionControlHandle;

    fn control_handle(&self) -> &UsbFunctionControlHandle {
        &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 UsbFunctionAllocResourcesResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<(&[u8], &[u8], &[u8]), 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<(&[u8], &[u8], &[u8]), i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut result: Result<(&[u8], &[u8], &[u8]), i32>) -> Result<(), fidl::Error> {
        self.control_handle
            .inner
            .send::<fidl::encoding::ResultType<UsbFunctionAllocResourcesResponse, i32>>(
                result,
                self.tx_id,
                0x5ab7133ab195daa0,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

/// Set the the channel to be shutdown (see [`UsbFunctionControlHandle::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 UsbFunctionEndpointSetStallResponder {
    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 UsbFunctionEndpointSetStallResponder {
    type ControlHandle = UsbFunctionControlHandle;

    fn control_handle(&self) -> &UsbFunctionControlHandle {
        &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 UsbFunctionEndpointSetStallResponder {
    /// 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,
                0x1f32c374dac955f1,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

/// Set the the channel to be shutdown (see [`UsbFunctionControlHandle::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 UsbFunctionEndpointClearStallResponder {
    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 UsbFunctionEndpointClearStallResponder {
    type ControlHandle = UsbFunctionControlHandle;

    fn control_handle(&self) -> &UsbFunctionControlHandle {
        &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 UsbFunctionEndpointClearStallResponder {
    /// 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,
                0x221d9488ac58aaba,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

/// Set the the channel to be shutdown (see [`UsbFunctionControlHandle::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 UsbFunctionConfigureEndpointResponder {
    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 UsbFunctionConfigureEndpointResponder {
    type ControlHandle = UsbFunctionControlHandle;

    fn control_handle(&self) -> &UsbFunctionControlHandle {
        &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 UsbFunctionConfigureEndpointResponder {
    /// 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,
                0x314c9dc3c37ebb7c,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

/// Set the the channel to be shutdown (see [`UsbFunctionControlHandle::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 UsbFunctionDisableEndpointResponder {
    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 UsbFunctionDisableEndpointResponder {
    type ControlHandle = UsbFunctionControlHandle;

    fn control_handle(&self) -> &UsbFunctionControlHandle {
        &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 UsbFunctionDisableEndpointResponder {
    /// 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,
                0x112a132561499b6e,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

impl fidl::endpoints::ProtocolMarker for UsbFunctionInterfaceMarker {
    type Proxy = UsbFunctionInterfaceProxy;
    type RequestStream = UsbFunctionInterfaceRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = UsbFunctionInterfaceSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) UsbFunctionInterface";
}
pub type UsbFunctionInterfaceControlResult = Result<Vec<u8>, i32>;
pub type UsbFunctionInterfaceSetConfiguredResult = Result<(), i32>;
pub type UsbFunctionInterfaceSetInterfaceResult = Result<(), i32>;

pub trait UsbFunctionInterfaceProxyInterface: Send + Sync {
    type ControlResponseFut: std::future::Future<Output = Result<UsbFunctionInterfaceControlResult, fidl::Error>>
        + Send;
    fn r#control(
        &self,
        setup: &fidl_fuchsia_hardware_usb_descriptor::UsbSetup,
        write: &[u8],
    ) -> Self::ControlResponseFut;
    type SetConfiguredResponseFut: std::future::Future<Output = Result<UsbFunctionInterfaceSetConfiguredResult, fidl::Error>>
        + Send;
    fn r#set_configured(
        &self,
        configured: bool,
        speed: fidl_fuchsia_hardware_usb_descriptor::UsbSpeed,
    ) -> Self::SetConfiguredResponseFut;
    type SetInterfaceResponseFut: std::future::Future<Output = Result<UsbFunctionInterfaceSetInterfaceResult, fidl::Error>>
        + Send;
    fn r#set_interface(&self, interface: u8, alt_setting: u8) -> Self::SetInterfaceResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct UsbFunctionInterfaceSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for UsbFunctionInterfaceSynchronousProxy {
    type Proxy = UsbFunctionInterfaceProxy;
    type Protocol = UsbFunctionInterfaceMarker;

    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 UsbFunctionInterfaceSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        Self { client: fidl::client::sync::Client::new(channel) }
    }

    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<UsbFunctionInterfaceEvent, fidl::Error> {
        UsbFunctionInterfaceEvent::decode(
            self.client.wait_for_event::<UsbFunctionInterfaceMarker>(deadline)?,
        )
    }

    /// Callback for handling EP0 class/vendor-specific control requests targeting the interface(s)
    /// owned by this function.
    ///
    /// This is called when the host sends a control request to the device. The protocol server (of
    /// [`UsbFunctionInterface`]) should process the request and return the result.
    ///
    /// The host expects a response within a strict timeout period defined by the USB specification
    /// Section 9.2.6 (50ms for requests without data, and 500ms for read data stages). Because of
    /// these hardware-enforced limits, the implementation must reply as quickly as possible and
    /// avoid blocking the dispatcher.
    ///
    /// `setup` is the control request metadata (setup packet). `write` contains the raw bytes sent
    /// by the host in the Data Stage of a host-to-device (OUT) control transfer. It is empty for
    /// device-to-host (IN) transfers. `read` in the response payload contains the raw bytes
    /// returned to the host in the Data Stage of a device-to-host (IN) control transfer. It must
    /// be empty for host-to-device (OUT) transfers.
    ///
    /// Any error returned by this method (including `ZX_ERR_NOT_SUPPORTED`) causes the
    /// peripheral controller to stall Endpoint 0, signaling a "Request Error" to the host.
    ///
    /// * error:
    ///     * `ZX_ERR_NOT_SUPPORTED` if the request is not supported by the protocol server.
    ///     * `ZX_ERR_INVALID_ARGS` if the setup packet or data is invalid.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device was disconnected while processing the request.
    pub fn r#control(
        &self,
        mut setup: &fidl_fuchsia_hardware_usb_descriptor::UsbSetup,
        mut write: &[u8],
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionInterfaceControlResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionInterfaceControlRequest,
            fidl::encoding::FlexibleResultType<UsbFunctionInterfaceControlResponse, i32>,
            UsbFunctionInterfaceMarker,
        >(
            (setup, write,),
            0x3cce27231c012cff,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<UsbFunctionInterfaceMarker>("control")?;
        Ok(_response.map(|x| x.read))
    }

    /// Inform the protocol server (of [`UsbFunctionInterface`]) when the USB device configured
    /// state changes.
    ///
    /// Called with `configured == true` in response to a `SET_CONFIGURATION` control request that
    /// selects a configuration that contains this function. In this case, the protocol server
    /// should use [`UsbFunction.ConfigureEndpoint`] to configure its endpoints.
    ///
    /// Per USB 2.0 Specification Section 9.4.7, receiving a `SET_CONFIGURATION` request when the
    /// function is already configured is valid and should reset/re-initialize the function state
    /// rather than returning an error.
    ///
    /// Called with `configured == false` when configuration is disabled or USB is disconnected.
    /// The protocol server should then use [`UsbFunction.DisableEndpoint`] to disable its
    /// endpoints.
    ///
    /// The protocol server must perform all endpoint configuration/disabling and wait for those
    /// calls to complete before replying to this method. This ensures that the protocol client can
    /// report success/failure back to the host (by ACK'ing or STALL'ing the `SET_CONFIGURATION`
    /// request).
    ///
    /// Any error returned by this method causes the peripheral controller to stall Control
    /// Endpoint 0, signaling a failure to the host (rejecting the `SET_CONFIGURATION` request).
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the device or function is in an uninitialized state where
    ///       configuration transitions are invalid (excluding re-configuring an active state).
    ///     * `ZX_ERR_INVALID_ARGS` if the speed or configuration parameters are invalid.
    ///     * `ZX_ERR_NOT_SUPPORTED` if the requested speed or configuration is unsupported.
    ///     * `ZX_ERR_NO_RESOURCES` if endpoint allocation or hardware configuration fails.
    pub fn r#set_configured(
        &self,
        mut configured: bool,
        mut speed: fidl_fuchsia_hardware_usb_descriptor::UsbSpeed,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionInterfaceSetConfiguredResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionInterfaceSetConfiguredRequest,
            fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, i32>,
            UsbFunctionInterfaceMarker,
        >(
            (configured, speed,),
            0x5c26cc1f53f57a72,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<UsbFunctionInterfaceMarker>("set_configured")?;
        Ok(_response.map(|x| x))
    }

    /// Called to set an alternate setting for an interface due to a `SET_INTERFACE` control
    /// request.
    ///
    /// The protocol server (of [`UsbFunctionInterface`]) must use [`UsbFunction.ConfigureEndpoint`]
    /// and [`UsbFunction.DisableEndpoint`] to configure or disable the interface's endpoints as
    /// appropriate for the new alternate setting.
    ///
    /// Depending on the alternate setting definition, this transition may require configuring new
    /// endpoints (via `ConfigureEndpoint`), disabling existing endpoints (via `DisableEndpoint`),
    /// or doing both. If an alternate setting does not use any endpoints, no endpoint
    /// configuration calls are required.
    ///
    /// The protocol server must perform all endpoint configuration/disabling and wait for those
    /// calls to complete before replying to this method. This ensures that the protocol client can
    /// report success/failure back to the host (by ACK'ing or STALL'ing the `SET_INTERFACE`
    /// request).
    ///
    /// Any error returned by this method causes the peripheral controller to stall Control
    /// Endpoint 0, signaling a failure to the host (rejecting the `SET_INTERFACE` request).
    ///
    /// * error:
    ///     * `ZX_ERR_NOT_SUPPORTED` if the alternate setting is not supported.
    ///     * `ZX_ERR_INVALID_ARGS` if the interface or alt_setting is invalid.
    ///     * Other errors if the function driver fails to configure or disable endpoints for the
    ///       new setting.
    pub fn r#set_interface(
        &self,
        mut interface: u8,
        mut alt_setting: u8,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<UsbFunctionInterfaceSetInterfaceResult, fidl::Error> {
        let _response = self.client.send_query::<
            UsbFunctionInterfaceSetInterfaceRequest,
            fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, i32>,
            UsbFunctionInterfaceMarker,
        >(
            (interface, alt_setting,),
            0x42ebdcefc1543f32,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<UsbFunctionInterfaceMarker>("set_interface")?;
        Ok(_response.map(|x| x))
    }
}

#[cfg(target_os = "fuchsia")]
impl From<UsbFunctionInterfaceSynchronousProxy> for zx::NullableHandle {
    fn from(value: UsbFunctionInterfaceSynchronousProxy) -> Self {
        value.into_channel().into()
    }
}

#[cfg(target_os = "fuchsia")]
impl From<fidl::Channel> for UsbFunctionInterfaceSynchronousProxy {
    fn from(value: fidl::Channel) -> Self {
        Self::new(value)
    }
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::FromClient for UsbFunctionInterfaceSynchronousProxy {
    type Protocol = UsbFunctionInterfaceMarker;

    fn from_client(value: fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>) -> Self {
        Self::new(value.into_channel())
    }
}

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

impl fidl::endpoints::Proxy for UsbFunctionInterfaceProxy {
    type Protocol = UsbFunctionInterfaceMarker;

    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 UsbFunctionInterfaceProxy {
    /// Create a new Proxy for fuchsia.hardware.usb.function/UsbFunctionInterface.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name =
            <UsbFunctionInterfaceMarker 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) -> UsbFunctionInterfaceEventStream {
        UsbFunctionInterfaceEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Callback for handling EP0 class/vendor-specific control requests targeting the interface(s)
    /// owned by this function.
    ///
    /// This is called when the host sends a control request to the device. The protocol server (of
    /// [`UsbFunctionInterface`]) should process the request and return the result.
    ///
    /// The host expects a response within a strict timeout period defined by the USB specification
    /// Section 9.2.6 (50ms for requests without data, and 500ms for read data stages). Because of
    /// these hardware-enforced limits, the implementation must reply as quickly as possible and
    /// avoid blocking the dispatcher.
    ///
    /// `setup` is the control request metadata (setup packet). `write` contains the raw bytes sent
    /// by the host in the Data Stage of a host-to-device (OUT) control transfer. It is empty for
    /// device-to-host (IN) transfers. `read` in the response payload contains the raw bytes
    /// returned to the host in the Data Stage of a device-to-host (IN) control transfer. It must
    /// be empty for host-to-device (OUT) transfers.
    ///
    /// Any error returned by this method (including `ZX_ERR_NOT_SUPPORTED`) causes the
    /// peripheral controller to stall Endpoint 0, signaling a "Request Error" to the host.
    ///
    /// * error:
    ///     * `ZX_ERR_NOT_SUPPORTED` if the request is not supported by the protocol server.
    ///     * `ZX_ERR_INVALID_ARGS` if the setup packet or data is invalid.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device was disconnected while processing the request.
    pub fn r#control(
        &self,
        mut setup: &fidl_fuchsia_hardware_usb_descriptor::UsbSetup,
        mut write: &[u8],
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionInterfaceControlResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionInterfaceProxyInterface::r#control(self, setup, write)
    }

    /// Inform the protocol server (of [`UsbFunctionInterface`]) when the USB device configured
    /// state changes.
    ///
    /// Called with `configured == true` in response to a `SET_CONFIGURATION` control request that
    /// selects a configuration that contains this function. In this case, the protocol server
    /// should use [`UsbFunction.ConfigureEndpoint`] to configure its endpoints.
    ///
    /// Per USB 2.0 Specification Section 9.4.7, receiving a `SET_CONFIGURATION` request when the
    /// function is already configured is valid and should reset/re-initialize the function state
    /// rather than returning an error.
    ///
    /// Called with `configured == false` when configuration is disabled or USB is disconnected.
    /// The protocol server should then use [`UsbFunction.DisableEndpoint`] to disable its
    /// endpoints.
    ///
    /// The protocol server must perform all endpoint configuration/disabling and wait for those
    /// calls to complete before replying to this method. This ensures that the protocol client can
    /// report success/failure back to the host (by ACK'ing or STALL'ing the `SET_CONFIGURATION`
    /// request).
    ///
    /// Any error returned by this method causes the peripheral controller to stall Control
    /// Endpoint 0, signaling a failure to the host (rejecting the `SET_CONFIGURATION` request).
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the device or function is in an uninitialized state where
    ///       configuration transitions are invalid (excluding re-configuring an active state).
    ///     * `ZX_ERR_INVALID_ARGS` if the speed or configuration parameters are invalid.
    ///     * `ZX_ERR_NOT_SUPPORTED` if the requested speed or configuration is unsupported.
    ///     * `ZX_ERR_NO_RESOURCES` if endpoint allocation or hardware configuration fails.
    pub fn r#set_configured(
        &self,
        mut configured: bool,
        mut speed: fidl_fuchsia_hardware_usb_descriptor::UsbSpeed,
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionInterfaceSetConfiguredResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionInterfaceProxyInterface::r#set_configured(self, configured, speed)
    }

    /// Called to set an alternate setting for an interface due to a `SET_INTERFACE` control
    /// request.
    ///
    /// The protocol server (of [`UsbFunctionInterface`]) must use [`UsbFunction.ConfigureEndpoint`]
    /// and [`UsbFunction.DisableEndpoint`] to configure or disable the interface's endpoints as
    /// appropriate for the new alternate setting.
    ///
    /// Depending on the alternate setting definition, this transition may require configuring new
    /// endpoints (via `ConfigureEndpoint`), disabling existing endpoints (via `DisableEndpoint`),
    /// or doing both. If an alternate setting does not use any endpoints, no endpoint
    /// configuration calls are required.
    ///
    /// The protocol server must perform all endpoint configuration/disabling and wait for those
    /// calls to complete before replying to this method. This ensures that the protocol client can
    /// report success/failure back to the host (by ACK'ing or STALL'ing the `SET_INTERFACE`
    /// request).
    ///
    /// Any error returned by this method causes the peripheral controller to stall Control
    /// Endpoint 0, signaling a failure to the host (rejecting the `SET_INTERFACE` request).
    ///
    /// * error:
    ///     * `ZX_ERR_NOT_SUPPORTED` if the alternate setting is not supported.
    ///     * `ZX_ERR_INVALID_ARGS` if the interface or alt_setting is invalid.
    ///     * Other errors if the function driver fails to configure or disable endpoints for the
    ///       new setting.
    pub fn r#set_interface(
        &self,
        mut interface: u8,
        mut alt_setting: u8,
    ) -> fidl::client::QueryResponseFut<
        UsbFunctionInterfaceSetInterfaceResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        UsbFunctionInterfaceProxyInterface::r#set_interface(self, interface, alt_setting)
    }
}

impl UsbFunctionInterfaceProxyInterface for UsbFunctionInterfaceProxy {
    type ControlResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionInterfaceControlResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#control(
        &self,
        mut setup: &fidl_fuchsia_hardware_usb_descriptor::UsbSetup,
        mut write: &[u8],
    ) -> Self::ControlResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionInterfaceControlResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<UsbFunctionInterfaceControlResponse, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x3cce27231c012cff,
            >(_buf?)?
            .into_result::<UsbFunctionInterfaceMarker>("control")?;
            Ok(_response.map(|x| x.read))
        }
        self.client.send_query_and_decode::<
            UsbFunctionInterfaceControlRequest,
            UsbFunctionInterfaceControlResult,
        >(
            (setup, write,),
            0x3cce27231c012cff,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type SetConfiguredResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionInterfaceSetConfiguredResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#set_configured(
        &self,
        mut configured: bool,
        mut speed: fidl_fuchsia_hardware_usb_descriptor::UsbSpeed,
    ) -> Self::SetConfiguredResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionInterfaceSetConfiguredResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x5c26cc1f53f57a72,
            >(_buf?)?
            .into_result::<UsbFunctionInterfaceMarker>("set_configured")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            UsbFunctionInterfaceSetConfiguredRequest,
            UsbFunctionInterfaceSetConfiguredResult,
        >(
            (configured, speed,),
            0x5c26cc1f53f57a72,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }

    type SetInterfaceResponseFut = fidl::client::QueryResponseFut<
        UsbFunctionInterfaceSetInterfaceResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#set_interface(
        &self,
        mut interface: u8,
        mut alt_setting: u8,
    ) -> Self::SetInterfaceResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<UsbFunctionInterfaceSetInterfaceResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, i32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x42ebdcefc1543f32,
            >(_buf?)?
            .into_result::<UsbFunctionInterfaceMarker>("set_interface")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            UsbFunctionInterfaceSetInterfaceRequest,
            UsbFunctionInterfaceSetInterfaceResult,
        >(
            (interface, alt_setting,),
            0x42ebdcefc1543f32,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }
}

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

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

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

impl futures::Stream for UsbFunctionInterfaceEventStream {
    type Item = Result<UsbFunctionInterfaceEvent, 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(UsbFunctionInterfaceEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

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

impl UsbFunctionInterfaceEvent {
    /// Decodes a message buffer as a [`UsbFunctionInterfaceEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<UsbFunctionInterfaceEvent, 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(UsbFunctionInterfaceEvent::_UnknownEvent { ordinal: tx_header.ordinal })
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name:
                    <UsbFunctionInterfaceMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.hardware.usb.function/UsbFunctionInterface.
pub struct UsbFunctionInterfaceRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for UsbFunctionInterfaceRequestStream {
    type Protocol = UsbFunctionInterfaceMarker;
    type ControlHandle = UsbFunctionInterfaceControlHandle;

    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 {
        UsbFunctionInterfaceControlHandle { 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 UsbFunctionInterfaceRequestStream {
    type Item = Result<UsbFunctionInterfaceRequest, 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 UsbFunctionInterfaceRequestStream 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 {
                0x3cce27231c012cff => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(UsbFunctionInterfaceControlRequest, fidl::encoding::DefaultFuchsiaResourceDialect);
                    fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionInterfaceControlRequest>(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = UsbFunctionInterfaceControlHandle {
                        inner: this.inner.clone(),
                    };
                    Ok(UsbFunctionInterfaceRequest::Control {setup: req.setup,
write: req.write,

                        responder: UsbFunctionInterfaceControlResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id,
                        },
                    })
                }
                0x5c26cc1f53f57a72 => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(UsbFunctionInterfaceSetConfiguredRequest, fidl::encoding::DefaultFuchsiaResourceDialect);
                    fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionInterfaceSetConfiguredRequest>(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = UsbFunctionInterfaceControlHandle {
                        inner: this.inner.clone(),
                    };
                    Ok(UsbFunctionInterfaceRequest::SetConfigured {configured: req.configured,
speed: req.speed,

                        responder: UsbFunctionInterfaceSetConfiguredResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id,
                        },
                    })
                }
                0x42ebdcefc1543f32 => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(UsbFunctionInterfaceSetInterfaceRequest, fidl::encoding::DefaultFuchsiaResourceDialect);
                    fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<UsbFunctionInterfaceSetInterfaceRequest>(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = UsbFunctionInterfaceControlHandle {
                        inner: this.inner.clone(),
                    };
                    Ok(UsbFunctionInterfaceRequest::SetInterface {interface: req.interface,
alt_setting: req.alt_setting,

                        responder: UsbFunctionInterfaceSetInterfaceResponder {
                            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(UsbFunctionInterfaceRequest::_UnknownMethod {
                        ordinal: header.ordinal,
                        control_handle: UsbFunctionInterfaceControlHandle { 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(UsbFunctionInterfaceRequest::_UnknownMethod {
                        ordinal: header.ordinal,
                        control_handle: UsbFunctionInterfaceControlHandle { inner: this.inner.clone() },
                        method_type: fidl::MethodType::TwoWay,
                    })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal,
                    protocol_name: <UsbFunctionInterfaceMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
            },
        )
    }
}

/// Protocol offered to [`UsbFunction`] instances to handle host-initiated
/// requests.
///
/// This protocol is implemented by the USB function driver (protocol server)
/// and called by the USB peripheral controller (protocol client).
#[derive(Debug)]
pub enum UsbFunctionInterfaceRequest {
    /// Callback for handling EP0 class/vendor-specific control requests targeting the interface(s)
    /// owned by this function.
    ///
    /// This is called when the host sends a control request to the device. The protocol server (of
    /// [`UsbFunctionInterface`]) should process the request and return the result.
    ///
    /// The host expects a response within a strict timeout period defined by the USB specification
    /// Section 9.2.6 (50ms for requests without data, and 500ms for read data stages). Because of
    /// these hardware-enforced limits, the implementation must reply as quickly as possible and
    /// avoid blocking the dispatcher.
    ///
    /// `setup` is the control request metadata (setup packet). `write` contains the raw bytes sent
    /// by the host in the Data Stage of a host-to-device (OUT) control transfer. It is empty for
    /// device-to-host (IN) transfers. `read` in the response payload contains the raw bytes
    /// returned to the host in the Data Stage of a device-to-host (IN) control transfer. It must
    /// be empty for host-to-device (OUT) transfers.
    ///
    /// Any error returned by this method (including `ZX_ERR_NOT_SUPPORTED`) causes the
    /// peripheral controller to stall Endpoint 0, signaling a "Request Error" to the host.
    ///
    /// * error:
    ///     * `ZX_ERR_NOT_SUPPORTED` if the request is not supported by the protocol server.
    ///     * `ZX_ERR_INVALID_ARGS` if the setup packet or data is invalid.
    ///     * `ZX_ERR_IO_NOT_PRESENT` if the device was disconnected while processing the request.
    Control {
        setup: fidl_fuchsia_hardware_usb_descriptor::UsbSetup,
        write: Vec<u8>,
        responder: UsbFunctionInterfaceControlResponder,
    },
    /// Inform the protocol server (of [`UsbFunctionInterface`]) when the USB device configured
    /// state changes.
    ///
    /// Called with `configured == true` in response to a `SET_CONFIGURATION` control request that
    /// selects a configuration that contains this function. In this case, the protocol server
    /// should use [`UsbFunction.ConfigureEndpoint`] to configure its endpoints.
    ///
    /// Per USB 2.0 Specification Section 9.4.7, receiving a `SET_CONFIGURATION` request when the
    /// function is already configured is valid and should reset/re-initialize the function state
    /// rather than returning an error.
    ///
    /// Called with `configured == false` when configuration is disabled or USB is disconnected.
    /// The protocol server should then use [`UsbFunction.DisableEndpoint`] to disable its
    /// endpoints.
    ///
    /// The protocol server must perform all endpoint configuration/disabling and wait for those
    /// calls to complete before replying to this method. This ensures that the protocol client can
    /// report success/failure back to the host (by ACK'ing or STALL'ing the `SET_CONFIGURATION`
    /// request).
    ///
    /// Any error returned by this method causes the peripheral controller to stall Control
    /// Endpoint 0, signaling a failure to the host (rejecting the `SET_CONFIGURATION` request).
    ///
    /// * error:
    ///     * `ZX_ERR_BAD_STATE` if the device or function is in an uninitialized state where
    ///       configuration transitions are invalid (excluding re-configuring an active state).
    ///     * `ZX_ERR_INVALID_ARGS` if the speed or configuration parameters are invalid.
    ///     * `ZX_ERR_NOT_SUPPORTED` if the requested speed or configuration is unsupported.
    ///     * `ZX_ERR_NO_RESOURCES` if endpoint allocation or hardware configuration fails.
    SetConfigured {
        configured: bool,
        speed: fidl_fuchsia_hardware_usb_descriptor::UsbSpeed,
        responder: UsbFunctionInterfaceSetConfiguredResponder,
    },
    /// Called to set an alternate setting for an interface due to a `SET_INTERFACE` control
    /// request.
    ///
    /// The protocol server (of [`UsbFunctionInterface`]) must use [`UsbFunction.ConfigureEndpoint`]
    /// and [`UsbFunction.DisableEndpoint`] to configure or disable the interface's endpoints as
    /// appropriate for the new alternate setting.
    ///
    /// Depending on the alternate setting definition, this transition may require configuring new
    /// endpoints (via `ConfigureEndpoint`), disabling existing endpoints (via `DisableEndpoint`),
    /// or doing both. If an alternate setting does not use any endpoints, no endpoint
    /// configuration calls are required.
    ///
    /// The protocol server must perform all endpoint configuration/disabling and wait for those
    /// calls to complete before replying to this method. This ensures that the protocol client can
    /// report success/failure back to the host (by ACK'ing or STALL'ing the `SET_INTERFACE`
    /// request).
    ///
    /// Any error returned by this method causes the peripheral controller to stall Control
    /// Endpoint 0, signaling a failure to the host (rejecting the `SET_INTERFACE` request).
    ///
    /// * error:
    ///     * `ZX_ERR_NOT_SUPPORTED` if the alternate setting is not supported.
    ///     * `ZX_ERR_INVALID_ARGS` if the interface or alt_setting is invalid.
    ///     * Other errors if the function driver fails to configure or disable endpoints for the
    ///       new setting.
    SetInterface {
        interface: u8,
        alt_setting: u8,
        responder: UsbFunctionInterfaceSetInterfaceResponder,
    },
    /// 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: UsbFunctionInterfaceControlHandle,
        method_type: fidl::MethodType,
    },
}

impl UsbFunctionInterfaceRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_control(
        self,
    ) -> Option<(
        fidl_fuchsia_hardware_usb_descriptor::UsbSetup,
        Vec<u8>,
        UsbFunctionInterfaceControlResponder,
    )> {
        if let UsbFunctionInterfaceRequest::Control { setup, write, responder } = self {
            Some((setup, write, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_set_configured(
        self,
    ) -> Option<(
        bool,
        fidl_fuchsia_hardware_usb_descriptor::UsbSpeed,
        UsbFunctionInterfaceSetConfiguredResponder,
    )> {
        if let UsbFunctionInterfaceRequest::SetConfigured { configured, speed, responder } = self {
            Some((configured, speed, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_set_interface(self) -> Option<(u8, u8, UsbFunctionInterfaceSetInterfaceResponder)> {
        if let UsbFunctionInterfaceRequest::SetInterface { interface, alt_setting, responder } =
            self
        {
            Some((interface, alt_setting, responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            UsbFunctionInterfaceRequest::Control { .. } => "control",
            UsbFunctionInterfaceRequest::SetConfigured { .. } => "set_configured",
            UsbFunctionInterfaceRequest::SetInterface { .. } => "set_interface",
            UsbFunctionInterfaceRequest::_UnknownMethod {
                method_type: fidl::MethodType::OneWay,
                ..
            } => "unknown one-way method",
            UsbFunctionInterfaceRequest::_UnknownMethod {
                method_type: fidl::MethodType::TwoWay,
                ..
            } => "unknown two-way method",
        }
    }
}

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

impl UsbFunctionInterfaceControlHandle {
    pub fn shutdown_with_epitaph(&self, status: impl Into<fidl::Epitaph>) {
        self.inner.shutdown_with_epitaph(status.into())
    }
}

impl fidl::endpoints::ControlHandle for UsbFunctionInterfaceControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }

    fn shutdown_with_epitaph(&self, status: fidl::Epitaph) {
        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 UsbFunctionInterfaceControlHandle {}

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

/// Set the the channel to be shutdown (see [`UsbFunctionInterfaceControlHandle::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 UsbFunctionInterfaceControlResponder {
    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 UsbFunctionInterfaceControlResponder {
    type ControlHandle = UsbFunctionInterfaceControlHandle;

    fn control_handle(&self) -> &UsbFunctionInterfaceControlHandle {
        &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 UsbFunctionInterfaceControlResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<&[u8], 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<&[u8], i32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(&self, mut result: Result<&[u8], i32>) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            UsbFunctionInterfaceControlResponse,
            i32,
        >>(
            fidl::encoding::FlexibleResult::new(result.map(|read| (read,))),
            self.tx_id,
            0x3cce27231c012cff,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

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

/// Set the the channel to be shutdown (see [`UsbFunctionInterfaceControlHandle::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 UsbFunctionInterfaceSetConfiguredResponder {
    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 UsbFunctionInterfaceSetConfiguredResponder {
    type ControlHandle = UsbFunctionInterfaceControlHandle;

    fn control_handle(&self) -> &UsbFunctionInterfaceControlHandle {
        &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 UsbFunctionInterfaceSetConfiguredResponder {
    /// 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::FlexibleResultType<
            fidl::encoding::EmptyStruct,
            i32,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x5c26cc1f53f57a72,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

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

/// Set the the channel to be shutdown (see [`UsbFunctionInterfaceControlHandle::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 UsbFunctionInterfaceSetInterfaceResponder {
    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 UsbFunctionInterfaceSetInterfaceResponder {
    type ControlHandle = UsbFunctionInterfaceControlHandle;

    fn control_handle(&self) -> &UsbFunctionInterfaceControlHandle {
        &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 UsbFunctionInterfaceSetInterfaceResponder {
    /// 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::FlexibleResultType<
            fidl::encoding::EmptyStruct,
            i32,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x42ebdcefc1543f32,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

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

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::ServiceMarker for UsbFunctionServiceMarker {
    type Proxy = UsbFunctionServiceProxy;
    type Request = UsbFunctionServiceRequest;
    const SERVICE_NAME: &'static str = "fuchsia.hardware.usb.function.UsbFunctionService";
}

/// A request for one of the member protocols of UsbFunctionService.
///
#[cfg(target_os = "fuchsia")]
pub enum UsbFunctionServiceRequest {
    Device(UsbFunctionRequestStream),
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::ServiceRequest for UsbFunctionServiceRequest {
    type Service = UsbFunctionServiceMarker;

    fn dispatch(name: &str, _channel: fidl::AsyncChannel) -> Self {
        match name {
            "device" => Self::Device(
                <UsbFunctionRequestStream as fidl::endpoints::RequestStream>::from_channel(
                    _channel,
                ),
            ),
            _ => panic!("no such member protocol name for service UsbFunctionService"),
        }
    }

    fn member_names() -> &'static [&'static str] {
        &["device"]
    }
}
#[cfg(target_os = "fuchsia")]
pub struct UsbFunctionServiceProxy(#[allow(dead_code)] Box<dyn fidl::endpoints::MemberOpener>);

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::ServiceProxy for UsbFunctionServiceProxy {
    type Service = UsbFunctionServiceMarker;

    fn from_member_opener(opener: Box<dyn fidl::endpoints::MemberOpener>) -> Self {
        Self(opener)
    }
}

#[cfg(target_os = "fuchsia")]
impl UsbFunctionServiceProxy {
    pub fn connect_to_device(&self) -> Result<UsbFunctionProxy, fidl::Error> {
        let (proxy, server_end) = fidl::endpoints::create_proxy::<UsbFunctionMarker>();
        self.connect_channel_to_device(server_end)?;
        Ok(proxy)
    }

    /// Like `connect_to_device`, but returns a sync proxy.
    /// See [`Self::connect_to_device`] for more details.
    pub fn connect_to_device_sync(&self) -> Result<UsbFunctionSynchronousProxy, fidl::Error> {
        let (proxy, server_end) = fidl::endpoints::create_sync_proxy::<UsbFunctionMarker>();
        self.connect_channel_to_device(server_end)?;
        Ok(proxy)
    }

    /// Like `connect_to_device`, but accepts a server end.
    /// See [`Self::connect_to_device`] for more details.
    pub fn connect_channel_to_device(
        &self,
        server_end: fidl::endpoints::ServerEnd<UsbFunctionMarker>,
    ) -> Result<(), fidl::Error> {
        self.0.open_member("device", server_end.into_channel())
    }

    pub fn instance_name(&self) -> &str {
        self.0.instance_name()
    }
}

mod internal {
    use super::*;

    impl fidl::encoding::ResourceTypeMarker for EndpointResource {
        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 EndpointResource {
        type Owned = Self;

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            32
        }
    }

    unsafe impl
        fidl::encoding::Encode<EndpointResource, fidl::encoding::DefaultFuchsiaResourceDialect>
        for &mut EndpointResource
    {
        #[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::<EndpointResource>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<EndpointResource, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <fidl_fuchsia_hardware_usb_descriptor::EndpointDirection as fidl::encoding::ValueTypeMarker>::borrow(&self.direction),
                    <fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>> as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.endpoint),
                    <fidl_fuchsia_hardware_usb_endpoint::EndpointInfo as fidl::encoding::ValueTypeMarker>::borrow(&self.ep_info),
                    <u32 as fidl::encoding::ValueTypeMarker>::borrow(&self.max_packet_size),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<
                fidl_fuchsia_hardware_usb_descriptor::EndpointDirection,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        T1: fidl::encoding::Encode<
                fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        T2: fidl::encoding::Encode<
                fidl_fuchsia_hardware_usb_endpoint::EndpointInfo,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        T3: fidl::encoding::Encode<u32, fidl::encoding::DefaultFuchsiaResourceDialect>,
    > fidl::encoding::Encode<EndpointResource, fidl::encoding::DefaultFuchsiaResourceDialect>
        for (T0, T1, T2, T3)
    {
        #[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::<EndpointResource>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u64).write_unaligned(0);
            }
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(24);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 4, depth)?;
            self.2.encode(encoder, offset + 8, depth)?;
            self.3.encode(encoder, offset + 24, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for EndpointResource
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                direction: fidl::new_empty!(
                    fidl_fuchsia_hardware_usb_descriptor::EndpointDirection,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                endpoint: fidl::new_empty!(
                    fidl::encoding::Endpoint<
                        fidl::endpoints::ServerEnd<
                            fidl_fuchsia_hardware_usb_endpoint::EndpointMarker,
                        >,
                    >,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                ep_info: fidl::new_empty!(
                    fidl_fuchsia_hardware_usb_endpoint::EndpointInfo,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                max_packet_size: fidl::new_empty!(
                    u32,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffff00u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(24) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 24 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(
                fidl_fuchsia_hardware_usb_descriptor::EndpointDirection,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.direction,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.endpoint,
                decoder,
                offset + 4,
                _depth
            )?;
            fidl::decode!(
                fidl_fuchsia_hardware_usb_endpoint::EndpointInfo,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.ep_info,
                decoder,
                offset + 8,
                _depth
            )?;
            fidl::decode!(
                u32,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.max_packet_size,
                decoder,
                offset + 24,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for UsbFunctionAllocResourcesRequest {
        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 UsbFunctionAllocResourcesRequest {
        type Owned = Self;

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            40
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            UsbFunctionAllocResourcesRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut UsbFunctionAllocResourcesRequest
    {
        #[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::<UsbFunctionAllocResourcesRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<UsbFunctionAllocResourcesRequest, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <u8 as fidl::encoding::ValueTypeMarker>::borrow(&self.interface_count),
                    <fidl::encoding::Vector<EndpointResource, 255> as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.endpoints),
                    <fidl::encoding::Vector<fidl::encoding::BoundedString<126>, 255> as fidl::encoding::ValueTypeMarker>::borrow(&self.strings),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<u8, fidl::encoding::DefaultFuchsiaResourceDialect>,
        T1: fidl::encoding::Encode<
                fidl::encoding::Vector<EndpointResource, 255>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        T2: fidl::encoding::Encode<
                fidl::encoding::Vector<fidl::encoding::BoundedString<126>, 255>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
    >
        fidl::encoding::Encode<
            UsbFunctionAllocResourcesRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0, T1, T2)
    {
        #[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::<UsbFunctionAllocResourcesRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            self.2.encode(encoder, offset + 24, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for UsbFunctionAllocResourcesRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                interface_count: fidl::new_empty!(
                    u8,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                endpoints: fidl::new_empty!(fidl::encoding::Vector<EndpointResource, 255>, fidl::encoding::DefaultFuchsiaResourceDialect),
                strings: fidl::new_empty!(
                    fidl::encoding::Vector<fidl::encoding::BoundedString<126>, 255>,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffffffffff00u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(
                u8,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.interface_count,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(fidl::encoding::Vector<EndpointResource, 255>, fidl::encoding::DefaultFuchsiaResourceDialect, &mut self.endpoints, decoder, offset + 8, _depth)?;
            fidl::decode!(
                fidl::encoding::Vector<fidl::encoding::BoundedString<126>, 255>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.strings,
                decoder,
                offset + 24,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for UsbFunctionConfigureRequest {
        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 UsbFunctionConfigureRequest {
        type Owned = Self;

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            24
        }
    }

    unsafe impl
        fidl::encoding::Encode<
            UsbFunctionConfigureRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut UsbFunctionConfigureRequest
    {
        #[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::<UsbFunctionConfigureRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                UsbFunctionConfigureRequest,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (
                    <fidl::encoding::Vector<u8, 32768> as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.configuration,
                    ),
                    <fidl::encoding::Endpoint<
                        fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                        &mut self.iface
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<
                fidl::encoding::Vector<u8, 32768>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        T1: fidl::encoding::Encode<
                fidl::encoding::Endpoint<fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
    >
        fidl::encoding::Encode<
            UsbFunctionConfigureRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0, T1)
    {
        #[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::<UsbFunctionConfigureRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(16);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for UsbFunctionConfigureRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                configuration: fidl::new_empty!(fidl::encoding::Vector<u8, 32768>, fidl::encoding::DefaultFuchsiaResourceDialect),
                iface: fidl::new_empty!(
                    fidl::encoding::Endpoint<
                        fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>,
                    >,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(16) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 16 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(fidl::encoding::Vector<u8, 32768>, fidl::encoding::DefaultFuchsiaResourceDialect, &mut self.configuration, decoder, offset + 0, _depth)?;
            fidl::decode!(
                fidl::encoding::Endpoint<fidl::endpoints::ClientEnd<UsbFunctionInterfaceMarker>>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.iface,
                decoder,
                offset + 16,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ResourceTypeMarker for UsbFunctionConnectToEndpointRequest {
        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 UsbFunctionConnectToEndpointRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            4
        }

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

    unsafe impl
        fidl::encoding::Encode<
            UsbFunctionConnectToEndpointRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut UsbFunctionConnectToEndpointRequest
    {
        #[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::<UsbFunctionConnectToEndpointRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                UsbFunctionConnectToEndpointRequest,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (
                    <u8 as fidl::encoding::ValueTypeMarker>::borrow(&self.ep_addr),
                    <fidl::encoding::Endpoint<
                        fidl::endpoints::ServerEnd<
                            fidl_fuchsia_hardware_usb_endpoint::EndpointMarker,
                        >,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                        &mut self.ep
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
        T0: fidl::encoding::Encode<u8, fidl::encoding::DefaultFuchsiaResourceDialect>,
        T1: fidl::encoding::Encode<
                fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
    >
        fidl::encoding::Encode<
            UsbFunctionConnectToEndpointRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0, T1)
    {
        #[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::<UsbFunctionConnectToEndpointRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u32).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 4, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for UsbFunctionConnectToEndpointRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                ep_addr: fidl::new_empty!(u8, fidl::encoding::DefaultFuchsiaResourceDialect),
                ep: fidl::new_empty!(
                    fidl::encoding::Endpoint<
                        fidl::endpoints::ServerEnd<
                            fidl_fuchsia_hardware_usb_endpoint::EndpointMarker,
                        >,
                    >,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u32).read_unaligned() };
            let mask = 0xffffff00u32;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(
                u8,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.ep_addr,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl::encoding::Endpoint<
                    fidl::endpoints::ServerEnd<fidl_fuchsia_hardware_usb_endpoint::EndpointMarker>,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                &mut self.ep,
                decoder,
                offset + 4,
                _depth
            )?;
            Ok(())
        }
    }
}