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

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

use {
    bitflags::bitflags,
    fidl::{
        client::QueryResponseFut,
        endpoints::{ControlHandle as _, Responder as _},
    },
    fuchsia_zircon_status as zx_status,
    futures::future::{self, MaybeDone, TryFutureExt},
};

#[cfg(target_os = "fuchsia")]
use fuchsia_zircon as zx;

/// Type alias for logging severity.
pub type RawSeverity = u8;

/// Maximum number of arguments that can be encoded per record, as specified by the tracing format:
///
/// https://fuchsia.dev/fuchsia-src/development/tracing/trace-format#arguments
pub const MAX_ARGS: u32 = 15;

/// A small(ish) limit on the length of argument names is used because argument names are expected
/// to be used repeatedly, many times.
pub const MAX_ARG_NAME_LENGTH: u32 = 256;

/// The maximum string length which we can encode into the tracing format.
pub const MAX_TEXT_ARG_LENGTH: u32 = 32768;

/// A named key-value pair in the diagnostic record.
#[derive(Clone, Debug, PartialEq)]
pub struct Argument {
    /// The name of the argument.
    pub name: String,
    /// The value of the argument.
    pub value: Value,
}

impl fidl::Persistable for Argument {}

/// A record in the diagnostic stream.
#[derive(Clone, Debug, PartialEq)]
pub struct Record {
    /// The monotonic time at which the record was generated.
    pub timestamp: i64,
    /// Severity of the record.
    pub severity: u8,
    /// The key-value pairs which make up this record.
    pub arguments: Vec<Argument>,
}

impl fidl::Persistable for Record {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct SourceOnBufferDoneRequest {
    pub buffer: u64,
}

impl fidl::Persistable for SourceOnBufferDoneRequest {}

#[derive(Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct SourceOnBufferInitRequest {
    pub latest: fidl::Vmo,
}

impl fidl::Standalone for SourceOnBufferInitRequest {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct SourceRetireBufferRequest {
    pub buffer: u64,
}

impl fidl::Persistable for SourceRetireBufferRequest {}

/// An argument value which can be one of several types.
#[derive(Clone, Debug)]
pub enum Value {
    /// A signed integral argument.
    SignedInt(i64),
    /// An unsigned integral argument.
    UnsignedInt(u64),
    /// A double-precision floating-point argument.
    Floating(f64),
    /// A UTF8 text argument.
    Text(String),
    /// A boolean argument.
    Boolean(bool),
    #[doc(hidden)]
    __SourceBreaking { unknown_ordinal: u64 },
}

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

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

impl Value {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::SignedInt(_) => 1,
            Self::UnsignedInt(_) => 2,
            Self::Floating(_) => 3,
            Self::Text(_) => 4,
            Self::Boolean(_) => 5,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

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

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

impl fidl::Persistable for Value {}

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

impl fidl::endpoints::ProtocolMarker for SourceMarker {
    type Proxy = SourceProxy;
    type RequestStream = SourceRequestStream;

    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = SourceSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.diagnostics.stream.Source";
}
impl fidl::endpoints::DiscoverableProtocolMarker for SourceMarker {}

pub trait SourceProxyInterface: Send + Sync {
    fn r#retire_buffer(&self, buffer: u64) -> Result<(), fidl::Error>;
}

#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct SourceSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for SourceSynchronousProxy {
    type Proxy = SourceProxy;
    type Protocol = SourceMarker;

    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 SourceSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <SourceMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
    }

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

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

    /// Notifies the `Source` that the retriever is done reading from the buffer. If the `Source`
    /// wishes it should zero the buffer's contents and recycle it for future records. Buffers must
    /// be re-sent via `OnBufferInit` after they're zeroed.
    pub fn r#retire_buffer(&self, mut buffer: u64) -> Result<(), fidl::Error> {
        self.client.send::<SourceRetireBufferRequest>(
            (buffer,),
            0x17d1e2a7c5706d74,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[derive(Debug, Clone)]
pub struct SourceProxy {
    client: fidl::client::Client,
}

impl fidl::endpoints::Proxy for SourceProxy {
    type Protocol = SourceMarker;

    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 SourceProxy {
    /// Create a new Proxy for fuchsia.diagnostics.stream/Source.
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name = <SourceMarker 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) -> SourceEventStream {
        SourceEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Notifies the `Source` that the retriever is done reading from the buffer. If the `Source`
    /// wishes it should zero the buffer's contents and recycle it for future records. Buffers must
    /// be re-sent via `OnBufferInit` after they're zeroed.
    pub fn r#retire_buffer(&self, mut buffer: u64) -> Result<(), fidl::Error> {
        SourceProxyInterface::r#retire_buffer(self, buffer)
    }
}

impl SourceProxyInterface for SourceProxy {
    fn r#retire_buffer(&self, mut buffer: u64) -> Result<(), fidl::Error> {
        self.client.send::<SourceRetireBufferRequest>(
            (buffer,),
            0x17d1e2a7c5706d74,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

pub struct SourceEventStream {
    event_receiver: fidl::client::EventReceiver,
}

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

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

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

#[derive(Debug)]
pub enum SourceEvent {
    OnBufferInit { latest: fidl::Vmo },
    OnBufferDone { buffer: u64 },
}

impl SourceEvent {
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_buffer_init(self) -> Option<fidl::Vmo> {
        if let SourceEvent::OnBufferInit { latest } = self {
            Some((latest))
        } else {
            None
        }
    }
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_buffer_done(self) -> Option<u64> {
        if let SourceEvent::OnBufferDone { buffer } = self {
            Some((buffer))
        } else {
            None
        }
    }

    /// Decodes a message buffer as a [`SourceEvent`].
    fn decode(mut buf: fidl::MessageBufEtc) -> Result<SourceEvent, 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 {
            0x6212abc1fa0f659f => {
                let mut out = fidl::new_empty!(SourceOnBufferInitRequest);
                fidl::encoding::Decoder::decode_into::<SourceOnBufferInitRequest>(
                    &tx_header,
                    _body_bytes,
                    _handles,
                    &mut out,
                )?;
                Ok((SourceEvent::OnBufferInit { latest: out.latest }))
            }
            0xfdedc56bd3e1e3 => {
                let mut out = fidl::new_empty!(SourceOnBufferDoneRequest);
                fidl::encoding::Decoder::decode_into::<SourceOnBufferDoneRequest>(
                    &tx_header,
                    _body_bytes,
                    _handles,
                    &mut out,
                )?;
                Ok((SourceEvent::OnBufferDone { buffer: out.buffer }))
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <SourceMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.diagnostics.stream/Source.
pub struct SourceRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for SourceRequestStream {
    type Protocol = SourceMarker;
    type ControlHandle = SourceControlHandle;

    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 {
        SourceControlHandle { inner: self.inner.clone() }
    }

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

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

impl futures::Stream for SourceRequestStream {
    type Item = Result<SourceRequest, 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 SourceRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf(|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))))
                }
            }

            // 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 {
                0x17d1e2a7c5706d74 => {
                    header.validate_request_tx_id(fidl::MethodType::OneWay)?;
                    let mut req = fidl::new_empty!(SourceRetireBufferRequest);
                    fidl::encoding::Decoder::decode_into::<SourceRetireBufferRequest>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = SourceControlHandle { inner: this.inner.clone() };
                    Ok(SourceRequest::RetireBuffer { buffer: req.buffer, control_handle })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal,
                    protocol_name: <SourceMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
        })
    }
}

/// A component with records for the Diagnostics system to retrieve.
///
/// To record diagnostics, a component allocates a VMO and begins writing records into the buffer,
/// incrementing a header value after each write to inform readers how much of the buffer has been
/// filled.
///
/// If any retrievers are connected, the `Source` sends them `OnBufferInit` events for each
/// diagnostic buffer created.
///
/// When the buffer fills, the `Source` sends `OnBufferDone` to the retrievers, and will wait for
/// all notified retrievers to reply with `RetireBuffer` when they have finished reading from the
/// buffer.
///
/// When all readers of the buffer have finished, the `Source` may recycle the buffer by zeroing it
/// and sending `OnBufferInit` again to connected retrievers.
///
/// Once a `Source` has sent `OnBufferDone` to a retriever, it is up to the `Source` to handle new
/// records that are generated while the retriever drains the buffer. Double buffering is
/// recommended to prevent excessive blocking, but this protocol does not mandate a specific
/// approach to handling records generated while buffers are full.
#[derive(Debug)]
pub enum SourceRequest {
    /// Notifies the `Source` that the retriever is done reading from the buffer. If the `Source`
    /// wishes it should zero the buffer's contents and recycle it for future records. Buffers must
    /// be re-sent via `OnBufferInit` after they're zeroed.
    RetireBuffer { buffer: u64, control_handle: SourceControlHandle },
}

impl SourceRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_retire_buffer(self) -> Option<(u64, SourceControlHandle)> {
        if let SourceRequest::RetireBuffer { buffer, control_handle } = self {
            Some((buffer, control_handle))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            SourceRequest::RetireBuffer { .. } => "retire_buffer",
        }
    }
}

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

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

    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }

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

impl SourceControlHandle {
    pub fn send_on_buffer_init(&self, mut latest: fidl::Vmo) -> Result<(), fidl::Error> {
        self.inner.send::<SourceOnBufferInitRequest>(
            (latest,),
            0,
            0x6212abc1fa0f659f,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn send_on_buffer_done(&self, mut buffer: u64) -> Result<(), fidl::Error> {
        self.inner.send::<SourceOnBufferDoneRequest>(
            (buffer,),
            0,
            0xfdedc56bd3e1e3,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;

    unsafe impl fidl::encoding::TypeMarker for Argument {
        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
        }
    }
    impl fidl::encoding::ValueTypeMarker for Argument {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<Argument> for &Argument {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Argument>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<Argument>::encode(
                (
                    <fidl::encoding::BoundedString<256> as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.name,
                    ),
                    <Value as fidl::encoding::ValueTypeMarker>::borrow(&self.value),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<fidl::encoding::BoundedString<256>>,
            T1: fidl::encoding::Encode<Value>,
        > fidl::encoding::Encode<Argument> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Argument>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for Argument {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                name: fidl::new_empty!(fidl::encoding::BoundedString<256>),
                value: fidl::new_empty!(Value),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl::encoding::BoundedString<256>,
                &mut self.name,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(Value, &mut self.value, decoder, offset + 16, _depth)?;
            Ok(())
        }
    }

    unsafe impl fidl::encoding::TypeMarker for Record {
        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
        }
    }
    impl fidl::encoding::ValueTypeMarker for Record {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<Record> for &Record {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Record>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<Record>::encode(
                (
                    <i64 as fidl::encoding::ValueTypeMarker>::borrow(&self.timestamp),
                    <u8 as fidl::encoding::ValueTypeMarker>::borrow(&self.severity),
                    <fidl::encoding::Vector<Argument, 15> as fidl::encoding::ValueTypeMarker>::borrow(&self.arguments),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<i64>,
            T1: fidl::encoding::Encode<u8>,
            T2: fidl::encoding::Encode<fidl::encoding::Vector<Argument, 15>>,
        > fidl::encoding::Encode<Record> for (T0, T1, T2)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Record>(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(8);
                (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 + 16, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for Record {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                timestamp: fidl::new_empty!(i64),
                severity: fidl::new_empty!(u8),
                arguments: fidl::new_empty!(fidl::encoding::Vector<Argument, 15>),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            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(8) };
            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 + 8 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(i64, &mut self.timestamp, decoder, offset + 0, _depth)?;
            fidl::decode!(u8, &mut self.severity, decoder, offset + 8, _depth)?;
            fidl::decode!(fidl::encoding::Vector<Argument, 15>, &mut self.arguments, decoder, offset + 16, _depth)?;
            Ok(())
        }
    }

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

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

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

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for SourceOnBufferDoneRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<SourceOnBufferDoneRequest> for &SourceOnBufferDoneRequest {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SourceOnBufferDoneRequest>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut SourceOnBufferDoneRequest)
                    .write_unaligned((self as *const SourceOnBufferDoneRequest).read());
                // Zero out padding regions. Unlike `fidl_struct_impl_noncopy!`, this must be
                // done second because the memcpy will write garbage to these bytes.
            }
            Ok(())
        }
    }
    unsafe impl<T0: fidl::encoding::Encode<u64>> fidl::encoding::Encode<SourceOnBufferDoneRequest>
        for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SourceOnBufferDoneRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for SourceOnBufferDoneRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { buffer: fidl::new_empty!(u64) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let buf_ptr = unsafe { decoder.buf.as_ptr().add(offset) };
            // Verify that padding bytes are zero.
            // Copy from the buffer into the object.
            unsafe {
                std::ptr::copy_nonoverlapping(buf_ptr, self as *mut Self as *mut u8, 8);
            }
            Ok(())
        }
    }

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

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            4
        }
    }
    impl fidl::encoding::ResourceTypeMarker for SourceOnBufferInitRequest {
        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::Encode<SourceOnBufferInitRequest> for &mut SourceOnBufferInitRequest {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SourceOnBufferInitRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SourceOnBufferInitRequest>::encode(
                (<fidl::encoding::HandleType<
                    fidl::Vmo,
                    { fidl::ObjectType::VMO.into_raw() },
                    2147483648,
                > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                    &mut self.latest
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                fidl::encoding::HandleType<
                    fidl::Vmo,
                    { fidl::ObjectType::VMO.into_raw() },
                    2147483648,
                >,
            >,
        > fidl::encoding::Encode<SourceOnBufferInitRequest> for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SourceOnBufferInitRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for SourceOnBufferInitRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                latest: fidl::new_empty!(fidl::encoding::HandleType<fidl::Vmo, { fidl::ObjectType::VMO.into_raw() }, 2147483648>),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(fidl::encoding::HandleType<fidl::Vmo, { fidl::ObjectType::VMO.into_raw() }, 2147483648>, &mut self.latest, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }

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

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

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

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for SourceRetireBufferRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<SourceRetireBufferRequest> for &SourceRetireBufferRequest {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SourceRetireBufferRequest>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut SourceRetireBufferRequest)
                    .write_unaligned((self as *const SourceRetireBufferRequest).read());
                // Zero out padding regions. Unlike `fidl_struct_impl_noncopy!`, this must be
                // done second because the memcpy will write garbage to these bytes.
            }
            Ok(())
        }
    }
    unsafe impl<T0: fidl::encoding::Encode<u64>> fidl::encoding::Encode<SourceRetireBufferRequest>
        for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SourceRetireBufferRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for SourceRetireBufferRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { buffer: fidl::new_empty!(u64) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let buf_ptr = unsafe { decoder.buf.as_ptr().add(offset) };
            // Verify that padding bytes are zero.
            // Copy from the buffer into the object.
            unsafe {
                std::ptr::copy_nonoverlapping(buf_ptr, self as *mut Self as *mut u8, 8);
            }
            Ok(())
        }
    }

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

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }
    impl fidl::encoding::ValueTypeMarker for Value {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<Value> for &Value {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Value>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
            Value::SignedInt(ref val) => {
                fidl::encoding::encode_in_envelope::<i64>(
                    <i64 as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            Value::UnsignedInt(ref val) => {
                fidl::encoding::encode_in_envelope::<u64>(
                    <u64 as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            Value::Floating(ref val) => {
                fidl::encoding::encode_in_envelope::<f64>(
                    <f64 as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            Value::Text(ref val) => {
                fidl::encoding::encode_in_envelope::<fidl::encoding::BoundedString<32768>>(
                    <fidl::encoding::BoundedString<32768> as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            Value::Boolean(ref val) => {
                fidl::encoding::encode_in_envelope::<bool>(
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
            Value::__SourceBreaking { .. } => Err(fidl::Error::UnknownUnionTag),
        }
        }
    }

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

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

            let member_inline_size = match ordinal {
            1 => <i64 as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            2 => <u64 as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            3 => <f64 as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            4 => <fidl::encoding::BoundedString<32768> as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            5 => <bool as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            0 => return Err(fidl::Error::UnknownUnionTag),
            _ => num_bytes as usize,
        };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Value::SignedInt(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Value::SignedInt(fidl::new_empty!(i64));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Value::SignedInt(ref mut val) = self {
                        fidl::decode!(i64, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Value::UnsignedInt(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Value::UnsignedInt(fidl::new_empty!(u64));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Value::UnsignedInt(ref mut val) = self {
                        fidl::decode!(u64, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                3 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Value::Floating(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Value::Floating(fidl::new_empty!(f64));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Value::Floating(ref mut val) = self {
                        fidl::decode!(f64, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                4 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Value::Text(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Value::Text(fidl::new_empty!(fidl::encoding::BoundedString<32768>));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Value::Text(ref mut val) = self {
                        fidl::decode!(
                            fidl::encoding::BoundedString<32768>,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                5 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Value::Boolean(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Value::Boolean(fidl::new_empty!(bool));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Value::Boolean(ref mut val) = self {
                        fidl::decode!(bool, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                #[allow(deprecated)]
                ordinal => {
                    for _ in 0..num_handles {
                        decoder.drop_next_handle()?;
                    }
                    *self = Value::__SourceBreaking { unknown_ordinal: ordinal };
                }
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }
}