// 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;

/// An enumeration of things that may go wrong when trying to write a value to our store.
#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
pub enum WriteError {
    Unknown,
    InvalidKey,
    InvalidValue,
    AlreadyExists,
    #[doc(hidden)]
    __SourceBreaking {
        unknown_ordinal: u32,
    },
}

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

impl WriteError {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            0 => Some(Self::Unknown),
            1 => Some(Self::InvalidKey),
            2 => Some(Self::InvalidValue),
            3 => Some(Self::AlreadyExists),
            _ => None,
        }
    }

    #[inline]
    pub fn from_primitive_allow_unknown(prim: u32) -> Self {
        match prim {
            0 => Self::Unknown,
            1 => Self::InvalidKey,
            2 => Self::InvalidValue,
            3 => Self::AlreadyExists,
            unknown_ordinal => Self::__SourceBreaking { unknown_ordinal },
        }
    }

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

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        match self {
            Self::Unknown => 0,
            Self::InvalidKey => 1,
            Self::InvalidValue => 2,
            Self::AlreadyExists => 3,
            Self::__SourceBreaking { unknown_ordinal } => unknown_ordinal,
        }
    }

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

/// An item in the store. The key must match the regex `^[A-z][A-z0-9_\.\/]{2,62}[A-z0-9]$`. That
/// is, it must start with a letter, end with a letter or number, contain only letters, numbers,
/// periods, and slashes, and be between 4 and 64 characters long.
#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct Item {
    pub key: String,
    pub value: Vec<u8>,
}

impl fidl::Persistable for Item {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct StoreWriteItemRequest {
    pub attempt: Item,
}

impl fidl::Persistable for StoreWriteItemRequest {}

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

impl fidl::endpoints::ProtocolMarker for StoreMarker {
    type Proxy = StoreProxy;
    type RequestStream = StoreRequestStream;

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

    const DEBUG_NAME: &'static str = "examples.keyvaluestore.baseline.Store";
}
impl fidl::endpoints::DiscoverableProtocolMarker for StoreMarker {}
pub type StoreWriteItemResult = Result<(), WriteError>;

pub trait StoreProxyInterface: Send + Sync {
    type WriteItemResponseFut: std::future::Future<Output = Result<StoreWriteItemResult, fidl::Error>>
        + Send;
    fn r#write_item(&self, attempt: &Item) -> Self::WriteItemResponseFut;
}

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

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for StoreSynchronousProxy {
    type Proxy = StoreProxy;
    type Protocol = StoreMarker;

    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 StoreSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <StoreMarker 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<StoreEvent, fidl::Error> {
        StoreEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Writes an item to the store.
    pub fn r#write_item(
        &self,
        mut attempt: &Item,
        ___deadline: zx::Time,
    ) -> Result<StoreWriteItemResult, fidl::Error> {
        let _response = self.client.send_query::<
            StoreWriteItemRequest,
            fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, WriteError>,
        >(
            (attempt,),
            0x29623dc6b3a4bf63,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            ___deadline,
        )?
        .into_result::<StoreMarker>("write_item")?;
        Ok(_response.map(|x| x))
    }
}

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

impl fidl::endpoints::Proxy for StoreProxy {
    type Protocol = StoreMarker;

    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 StoreProxy {
    /// Create a new Proxy for examples.keyvaluestore.baseline/Store.
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name = <StoreMarker 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) -> StoreEventStream {
        StoreEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Writes an item to the store.
    pub fn r#write_item(
        &self,
        mut attempt: &Item,
    ) -> fidl::client::QueryResponseFut<StoreWriteItemResult> {
        StoreProxyInterface::r#write_item(self, attempt)
    }
}

impl StoreProxyInterface for StoreProxy {
    type WriteItemResponseFut = fidl::client::QueryResponseFut<StoreWriteItemResult>;
    fn r#write_item(&self, mut attempt: &Item) -> Self::WriteItemResponseFut {
        fn _decode(
            mut _buf: Result<fidl::MessageBufEtc, fidl::Error>,
        ) -> Result<StoreWriteItemResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::FlexibleResultType<fidl::encoding::EmptyStruct, WriteError>,
                0x29623dc6b3a4bf63,
            >(_buf?)?
            .into_result::<StoreMarker>("write_item")?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<StoreWriteItemRequest, StoreWriteItemResult>(
            (attempt,),
            0x29623dc6b3a4bf63,
            fidl::encoding::DynamicFlags::FLEXIBLE,
            _decode,
        )
    }
}

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

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

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

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

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

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

/// A Stream of incoming requests for examples.keyvaluestore.baseline/Store.
pub struct StoreRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for StoreRequestStream {
    type Protocol = StoreMarker;
    type ControlHandle = StoreControlHandle;

    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 {
        StoreControlHandle { 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 StoreRequestStream {
    type Item = Result<StoreRequest, 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 StoreRequestStream 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 {
                0x29623dc6b3a4bf63 => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(StoreWriteItemRequest);
                    fidl::encoding::Decoder::decode_into::<StoreWriteItemRequest>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = StoreControlHandle { inner: this.inner.clone() };
                    Ok(StoreRequest::WriteItem {
                        attempt: req.attempt,

                        responder: StoreWriteItemResponder {
                            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(StoreRequest::_UnknownMethod {
                        ordinal: header.ordinal,
                        control_handle: StoreControlHandle { 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(StoreRequest::_UnknownMethod {
                        ordinal: header.ordinal,
                        control_handle: StoreControlHandle { inner: this.inner.clone() },
                        method_type: fidl::MethodType::TwoWay,
                    })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal,
                    protocol_name: <StoreMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
        })
    }
}

/// A very basic key-value store - so basic, in fact, that one may only write to it, never read!
#[derive(Debug)]
pub enum StoreRequest {
    /// Writes an item to the store.
    WriteItem { attempt: Item, responder: StoreWriteItemResponder },
    /// 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: StoreControlHandle,
        method_type: fidl::MethodType,
    },
}

impl StoreRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_write_item(self) -> Option<(Item, StoreWriteItemResponder)> {
        if let StoreRequest::WriteItem { attempt, responder } = self {
            Some((attempt, responder))
        } else {
            None
        }
    }

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

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

impl fidl::endpoints::ControlHandle for StoreControlHandle {
    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 StoreControlHandle {}

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

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

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

    fn send_raw(&self, mut result: Result<(), WriteError>) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::FlexibleResultType<
            fidl::encoding::EmptyStruct,
            WriteError,
        >>(
            fidl::encoding::FlexibleResult::new(result),
            self.tx_id,
            0x29623dc6b3a4bf63,
            fidl::encoding::DynamicFlags::FLEXIBLE,
        )
    }
}

mod internal {
    use super::*;
    unsafe impl fidl::encoding::TypeMarker for WriteError {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            false
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

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

    unsafe impl fidl::encoding::Encode<Self> for WriteError {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for WriteError {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::unknown()
        }

        #[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 prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive_allow_unknown(prim);
            Ok(())
        }
    }

    unsafe impl fidl::encoding::TypeMarker for Item {
        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 Item {
        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<Item> for &Item {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Item>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<Item>::encode(
                (
                    <fidl::encoding::BoundedString<128> as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.key,
                    ),
                    <fidl::encoding::Vector<u8, 64000> as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.value,
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<fidl::encoding::BoundedString<128>>,
            T1: fidl::encoding::Encode<fidl::encoding::Vector<u8, 64000>>,
        > fidl::encoding::Encode<Item> 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::<Item>(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 Item {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                key: fidl::new_empty!(fidl::encoding::BoundedString<128>),
                value: fidl::new_empty!(fidl::encoding::Vector<u8, 64000>),
            }
        }

        #[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<128>,
                &mut self.key,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(fidl::encoding::Vector<u8, 64000>, &mut self.value, decoder, offset + 16, _depth)?;
            Ok(())
        }
    }

    unsafe impl fidl::encoding::TypeMarker for StoreWriteItemRequest {
        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 StoreWriteItemRequest {
        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<StoreWriteItemRequest> for &StoreWriteItemRequest {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<StoreWriteItemRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<StoreWriteItemRequest>::encode(
                (<Item as fidl::encoding::ValueTypeMarker>::borrow(&self.attempt),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<T0: fidl::encoding::Encode<Item>> fidl::encoding::Encode<StoreWriteItemRequest>
        for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<StoreWriteItemRequest>(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 StoreWriteItemRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { attempt: fidl::new_empty!(Item) }
        }

        #[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!(Item, &mut self.attempt, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }
}