tools/fidl/fidlgen_rust/goldens/protocol_payloads.rs.golden

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

// fidl_experiment = no_optional_structs
// fidl_experiment = output_index_json
// fidl_experiment = simple_empty_response_syntax
// fidl_experiment = unknown_interactions
// fidl_experiment = unknown_interactions_mandate

#![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;

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct LocalStructPayload {
    pub a: u32,
    pub b: u32,
}

impl fidl::Persistable for LocalStructPayload {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct MainProtocolOnAnonRequest {
    pub a: u32,
    pub b: u32,
}

impl fidl::Persistable for MainProtocolOnAnonRequest {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct MainProtocolOneWayAnonRequest {
    pub a: u32,
    pub b: u32,
}

impl fidl::Persistable for MainProtocolOneWayAnonRequest {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct MainProtocolTwoWayAnonRequest {
    pub a: u32,
    pub b: u32,
}

impl fidl::Persistable for MainProtocolTwoWayAnonRequest {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct MainProtocolTwoWayAnonResponse {
    pub a: u32,
    pub b: u32,
}

impl fidl::Persistable for MainProtocolTwoWayAnonResponse {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct MainProtocolTwoWayAnonWithErrorRequest {
    pub a: u32,
    pub b: u32,
}

impl fidl::Persistable for MainProtocolTwoWayAnonWithErrorRequest {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct MainProtocolOnAnonWithErrorResponse {
    pub a: u32,
    pub b: u32,
}

impl fidl::Persistable for MainProtocolOnAnonWithErrorResponse {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct MainProtocolTwoWayAnonWithErrorResponse {
    pub a: u32,
    pub b: u32,
}

impl fidl::Persistable for MainProtocolTwoWayAnonWithErrorResponse {}

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

impl fidl::endpoints::ProtocolMarker for MainProtocolMarker {
    type Proxy = MainProtocolProxy;
    type RequestStream = MainProtocolRequestStream;
    const DEBUG_NAME: &'static str = "(anonymous) MainProtocol";
}
pub type MainProtocolTwoWayLocalWithErrorResult = Result<(u32, u32), u32>;
pub type MainProtocolOnLocalWithErrorResult = Result<(u32, u32), u32>;
pub type MainProtocolTwoWayImportWithErrorResult = Result<i32, u32>;
pub type MainProtocolOnImportWithErrorResult = Result<i32, u32>;
pub type MainProtocolTwoWayAnonWithErrorResult = Result<(u32, u32), u32>;
pub type MainProtocolOnAnonWithErrorResult = Result<(u32, u32), u32>;

pub trait MainProtocolProxyInterface: Send + Sync {
    fn r#one_way_composed(&self, a: i32) -> Result<(), fidl::Error>;
    type TwoWayComposedResponseFut: std::future::Future<Output = Result<i32, fidl::Error>> + Send;
    fn r#two_way_composed(&self, a: i32) -> Self::TwoWayComposedResponseFut;
    type TwoWayComposedWithErrorResponseFut: std::future::Future<
            Output = Result<
                fidl_test_protocolpayloads_imported::ComposedProtocolTwoWayComposedWithErrorResult,
                fidl::Error,
            >,
        > + Send;
    fn r#two_way_composed_with_error(&self, a: i32) -> Self::TwoWayComposedWithErrorResponseFut;
    fn r#one_way_local(&self, a: u32, b: u32) -> Result<(), fidl::Error>;
    type TwoWayLocalResponseFut: std::future::Future<Output = Result<(u32, u32), fidl::Error>>
        + Send;
    fn r#two_way_local(&self, a: u32, b: u32) -> Self::TwoWayLocalResponseFut;
    type TwoWayLocalWithErrorResponseFut: std::future::Future<Output = Result<MainProtocolTwoWayLocalWithErrorResult, fidl::Error>>
        + Send;
    fn r#two_way_local_with_error(&self, a: u32, b: u32) -> Self::TwoWayLocalWithErrorResponseFut;
    fn r#one_way_import(&self, a: i32) -> Result<(), fidl::Error>;
    type TwoWayImportResponseFut: std::future::Future<Output = Result<i32, fidl::Error>> + Send;
    fn r#two_way_import(&self, a: i32) -> Self::TwoWayImportResponseFut;
    type TwoWayImportWithErrorResponseFut: std::future::Future<Output = Result<MainProtocolTwoWayImportWithErrorResult, fidl::Error>>
        + Send;
    fn r#two_way_import_with_error(&self, a: i32) -> Self::TwoWayImportWithErrorResponseFut;
    fn r#one_way_anon(&self, a: u32, b: u32) -> Result<(), fidl::Error>;
    type TwoWayAnonResponseFut: std::future::Future<Output = Result<(u32, u32), fidl::Error>> + Send;
    fn r#two_way_anon(&self, a: u32, b: u32) -> Self::TwoWayAnonResponseFut;
    type TwoWayAnonWithErrorResponseFut: std::future::Future<Output = Result<MainProtocolTwoWayAnonWithErrorResult, fidl::Error>>
        + Send;
    fn r#two_way_anon_with_error(&self, a: u32, b: u32) -> Self::TwoWayAnonWithErrorResponseFut;
}

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

#[cfg(target_os = "fuchsia")]
impl MainProtocolSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <MainProtocolMarker 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<MainProtocolEvent, fidl::Error> {
        MainProtocolEvent::decode(self.client.wait_for_event(deadline)?)
    }

    pub fn r#one_way_composed(&self, mut a: i32) -> Result<(), fidl::Error> {
        self.client.send::<fidl_test_protocolpayloads_imported::ImportStructPayload>(
            (a,),
            0x241e4384443ccb10,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn r#two_way_composed(
        &self,
        mut a: i32,
        ___deadline: zx::Time,
    ) -> Result<i32, fidl::Error> {
        let _response = self.client.send_query::<
            fidl_test_protocolpayloads_imported::ImportStructPayload,
            fidl_test_protocolpayloads_imported::ImportStructPayload,
        >(
            (a,),
            0x2348a1331ca4cfb0,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.a)
    }

    pub fn r#two_way_composed_with_error(
        &self,
        mut a: i32,
        ___deadline: zx::Time,
    ) -> Result<
        fidl_test_protocolpayloads_imported::ComposedProtocolTwoWayComposedWithErrorResult,
        fidl::Error,
    > {
        let _response = self.client.send_query::<
            fidl_test_protocolpayloads_imported::ImportStructPayload,
            fidl::encoding::ResultType<fidl_test_protocolpayloads_imported::ImportStructPayload, u32>,
        >(
            (a,),
            0x6a9be48b574d1557,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x.a))
    }

    pub fn r#one_way_local(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        self.client.send::<LocalStructPayload>(
            (a, b),
            0x6b9feaf9305b0715,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn r#two_way_local(
        &self,
        mut a: u32,
        mut b: u32,
        ___deadline: zx::Time,
    ) -> Result<(u32, u32), fidl::Error> {
        let _response = self.client.send_query::<LocalStructPayload, LocalStructPayload>(
            (a, b),
            0x743776548de3af0f,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok((_response.a, _response.b))
    }

    pub fn r#two_way_local_with_error(
        &self,
        mut a: u32,
        mut b: u32,
        ___deadline: zx::Time,
    ) -> Result<MainProtocolTwoWayLocalWithErrorResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<LocalStructPayload, fidl::encoding::ResultType<LocalStructPayload, u32>>(
                (a, b),
                0x2839c029915cb8fc,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response.map(|x| (x.a, x.b)))
    }

    pub fn r#one_way_import(&self, mut a: i32) -> Result<(), fidl::Error> {
        self.client.send::<fidl_test_protocolpayloads_imported::ImportStructPayload>(
            (a,),
            0x2e6b091ae4cee40c,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn r#two_way_import(&self, mut a: i32, ___deadline: zx::Time) -> Result<i32, fidl::Error> {
        let _response = self.client.send_query::<
            fidl_test_protocolpayloads_imported::ImportStructPayload,
            fidl_test_protocolpayloads_imported::ImportStructPayload,
        >(
            (a,),
            0x20f4a8f65ff69473,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.a)
    }

    pub fn r#two_way_import_with_error(
        &self,
        mut a: i32,
        ___deadline: zx::Time,
    ) -> Result<MainProtocolTwoWayImportWithErrorResult, fidl::Error> {
        let _response = self.client.send_query::<
            fidl_test_protocolpayloads_imported::ImportStructPayload,
            fidl::encoding::ResultType<fidl_test_protocolpayloads_imported::ImportStructPayload, u32>,
        >(
            (a,),
            0x3b7b706d42eb9bbd,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x.a))
    }

    pub fn r#one_way_anon(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        self.client.send::<MainProtocolOneWayAnonRequest>(
            (a, b),
            0xb43565c01ab54ac,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn r#two_way_anon(
        &self,
        mut a: u32,
        mut b: u32,
        ___deadline: zx::Time,
    ) -> Result<(u32, u32), fidl::Error> {
        let _response = self
            .client
            .send_query::<MainProtocolTwoWayAnonRequest, MainProtocolTwoWayAnonResponse>(
                (a, b),
                0x8bdc969ff7dd759,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok((_response.a, _response.b))
    }

    pub fn r#two_way_anon_with_error(
        &self,
        mut a: u32,
        mut b: u32,
        ___deadline: zx::Time,
    ) -> Result<MainProtocolTwoWayAnonWithErrorResult, fidl::Error> {
        let _response = self.client.send_query::<
            MainProtocolTwoWayAnonWithErrorRequest,
            fidl::encoding::ResultType<MainProtocolTwoWayAnonWithErrorResponse, u32>,
        >(
            (a, b,),
            0x5862bf8170c87a36,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| (x.a, x.b)))
    }
}

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

impl fidl::endpoints::Proxy for MainProtocolProxy {
    type Protocol = MainProtocolMarker;

    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 MainProtocolProxy {
    /// Create a new Proxy for MainProtocol
    pub fn new(channel: fidl::AsyncChannel) -> Self {
        let protocol_name = <MainProtocolMarker 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 MainProtocol protocol
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> MainProtocolEventStream {
        MainProtocolEventStream { event_receiver: self.client.take_event_receiver() }
    }

    pub fn r#one_way_composed(&self, mut a: i32) -> Result<(), fidl::Error> {
        MainProtocolProxyInterface::r#one_way_composed(self, a)
    }

    pub fn r#two_way_composed(&self, mut a: i32) -> fidl::client::QueryResponseFut<i32> {
        MainProtocolProxyInterface::r#two_way_composed(self, a)
    }

    pub fn r#two_way_composed_with_error(
        &self,
        mut a: i32,
    ) -> fidl::client::QueryResponseFut<
        fidl_test_protocolpayloads_imported::ComposedProtocolTwoWayComposedWithErrorResult,
    > {
        MainProtocolProxyInterface::r#two_way_composed_with_error(self, a)
    }

    pub fn r#one_way_local(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        MainProtocolProxyInterface::r#one_way_local(self, a, b)
    }

    pub fn r#two_way_local(
        &self,
        mut a: u32,
        mut b: u32,
    ) -> fidl::client::QueryResponseFut<(u32, u32)> {
        MainProtocolProxyInterface::r#two_way_local(self, a, b)
    }

    pub fn r#two_way_local_with_error(
        &self,
        mut a: u32,
        mut b: u32,
    ) -> fidl::client::QueryResponseFut<MainProtocolTwoWayLocalWithErrorResult> {
        MainProtocolProxyInterface::r#two_way_local_with_error(self, a, b)
    }

    pub fn r#one_way_import(&self, mut a: i32) -> Result<(), fidl::Error> {
        MainProtocolProxyInterface::r#one_way_import(self, a)
    }

    pub fn r#two_way_import(&self, mut a: i32) -> fidl::client::QueryResponseFut<i32> {
        MainProtocolProxyInterface::r#two_way_import(self, a)
    }

    pub fn r#two_way_import_with_error(
        &self,
        mut a: i32,
    ) -> fidl::client::QueryResponseFut<MainProtocolTwoWayImportWithErrorResult> {
        MainProtocolProxyInterface::r#two_way_import_with_error(self, a)
    }

    pub fn r#one_way_anon(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        MainProtocolProxyInterface::r#one_way_anon(self, a, b)
    }

    pub fn r#two_way_anon(
        &self,
        mut a: u32,
        mut b: u32,
    ) -> fidl::client::QueryResponseFut<(u32, u32)> {
        MainProtocolProxyInterface::r#two_way_anon(self, a, b)
    }

    pub fn r#two_way_anon_with_error(
        &self,
        mut a: u32,
        mut b: u32,
    ) -> fidl::client::QueryResponseFut<MainProtocolTwoWayAnonWithErrorResult> {
        MainProtocolProxyInterface::r#two_way_anon_with_error(self, a, b)
    }
}

impl MainProtocolProxyInterface for MainProtocolProxy {
    fn r#one_way_composed(&self, mut a: i32) -> Result<(), fidl::Error> {
        self.client.send::<fidl_test_protocolpayloads_imported::ImportStructPayload>(
            (a,),
            0x241e4384443ccb10,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    type TwoWayComposedResponseFut = fidl::client::QueryResponseFut<i32>;
    fn r#two_way_composed(&self, mut a: i32) -> Self::TwoWayComposedResponseFut {
        fn _decode(mut _buf: Result<fidl::MessageBufEtc, fidl::Error>) -> Result<i32, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl_test_protocolpayloads_imported::ImportStructPayload,
            >(_buf?)?;
            Ok(_response.a)
        }
        self.client
            .send_query_and_decode::<fidl_test_protocolpayloads_imported::ImportStructPayload, i32>(
                (a,),
                0x2348a1331ca4cfb0,
                fidl::encoding::DynamicFlags::empty(),
                _decode,
            )
    }

    type TwoWayComposedWithErrorResponseFut = fidl::client::QueryResponseFut<
        fidl_test_protocolpayloads_imported::ComposedProtocolTwoWayComposedWithErrorResult,
    >;
    fn r#two_way_composed_with_error(
        &self,
        mut a: i32,
    ) -> Self::TwoWayComposedWithErrorResponseFut {
        fn _decode(
            mut _buf: Result<fidl::MessageBufEtc, fidl::Error>,
        ) -> Result<
            fidl_test_protocolpayloads_imported::ComposedProtocolTwoWayComposedWithErrorResult,
            fidl::Error,
        > {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<
                    fidl_test_protocolpayloads_imported::ImportStructPayload,
                    u32,
                >,
            >(_buf?)?;
            Ok(_response.map(|x| x.a))
        }
        self.client.send_query_and_decode::<
            fidl_test_protocolpayloads_imported::ImportStructPayload,
            fidl_test_protocolpayloads_imported::ComposedProtocolTwoWayComposedWithErrorResult,
        >(
            (a,),
            0x6a9be48b574d1557,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    fn r#one_way_local(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        self.client.send::<LocalStructPayload>(
            (a, b),
            0x6b9feaf9305b0715,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    type TwoWayLocalResponseFut = fidl::client::QueryResponseFut<(u32, u32)>;
    fn r#two_way_local(&self, mut a: u32, mut b: u32) -> Self::TwoWayLocalResponseFut {
        fn _decode(
            mut _buf: Result<fidl::MessageBufEtc, fidl::Error>,
        ) -> Result<(u32, u32), fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<LocalStructPayload>(_buf?)?;
            Ok((_response.a, _response.b))
        }
        self.client.send_query_and_decode::<LocalStructPayload, (u32, u32)>(
            (a, b),
            0x743776548de3af0f,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type TwoWayLocalWithErrorResponseFut =
        fidl::client::QueryResponseFut<MainProtocolTwoWayLocalWithErrorResult>;
    fn r#two_way_local_with_error(
        &self,
        mut a: u32,
        mut b: u32,
    ) -> Self::TwoWayLocalWithErrorResponseFut {
        fn _decode(
            mut _buf: Result<fidl::MessageBufEtc, fidl::Error>,
        ) -> Result<MainProtocolTwoWayLocalWithErrorResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<LocalStructPayload, u32>,
            >(_buf?)?;
            Ok(_response.map(|x| (x.a, x.b)))
        }
        self.client
            .send_query_and_decode::<LocalStructPayload, MainProtocolTwoWayLocalWithErrorResult>(
                (a, b),
                0x2839c029915cb8fc,
                fidl::encoding::DynamicFlags::empty(),
                _decode,
            )
    }

    fn r#one_way_import(&self, mut a: i32) -> Result<(), fidl::Error> {
        self.client.send::<fidl_test_protocolpayloads_imported::ImportStructPayload>(
            (a,),
            0x2e6b091ae4cee40c,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    type TwoWayImportResponseFut = fidl::client::QueryResponseFut<i32>;
    fn r#two_way_import(&self, mut a: i32) -> Self::TwoWayImportResponseFut {
        fn _decode(mut _buf: Result<fidl::MessageBufEtc, fidl::Error>) -> Result<i32, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl_test_protocolpayloads_imported::ImportStructPayload,
            >(_buf?)?;
            Ok(_response.a)
        }
        self.client
            .send_query_and_decode::<fidl_test_protocolpayloads_imported::ImportStructPayload, i32>(
                (a,),
                0x20f4a8f65ff69473,
                fidl::encoding::DynamicFlags::empty(),
                _decode,
            )
    }

    type TwoWayImportWithErrorResponseFut =
        fidl::client::QueryResponseFut<MainProtocolTwoWayImportWithErrorResult>;
    fn r#two_way_import_with_error(&self, mut a: i32) -> Self::TwoWayImportWithErrorResponseFut {
        fn _decode(
            mut _buf: Result<fidl::MessageBufEtc, fidl::Error>,
        ) -> Result<MainProtocolTwoWayImportWithErrorResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<
                    fidl_test_protocolpayloads_imported::ImportStructPayload,
                    u32,
                >,
            >(_buf?)?;
            Ok(_response.map(|x| x.a))
        }
        self.client.send_query_and_decode::<
            fidl_test_protocolpayloads_imported::ImportStructPayload,
            MainProtocolTwoWayImportWithErrorResult,
        >(
            (a,),
            0x3b7b706d42eb9bbd,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    fn r#one_way_anon(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        self.client.send::<MainProtocolOneWayAnonRequest>(
            (a, b),
            0xb43565c01ab54ac,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    type TwoWayAnonResponseFut = fidl::client::QueryResponseFut<(u32, u32)>;
    fn r#two_way_anon(&self, mut a: u32, mut b: u32) -> Self::TwoWayAnonResponseFut {
        fn _decode(
            mut _buf: Result<fidl::MessageBufEtc, fidl::Error>,
        ) -> Result<(u32, u32), fidl::Error> {
            let _response =
                fidl::client::decode_transaction_body::<MainProtocolTwoWayAnonResponse>(_buf?)?;
            Ok((_response.a, _response.b))
        }
        self.client.send_query_and_decode::<MainProtocolTwoWayAnonRequest, (u32, u32)>(
            (a, b),
            0x8bdc969ff7dd759,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type TwoWayAnonWithErrorResponseFut =
        fidl::client::QueryResponseFut<MainProtocolTwoWayAnonWithErrorResult>;
    fn r#two_way_anon_with_error(
        &self,
        mut a: u32,
        mut b: u32,
    ) -> Self::TwoWayAnonWithErrorResponseFut {
        fn _decode(
            mut _buf: Result<fidl::MessageBufEtc, fidl::Error>,
        ) -> Result<MainProtocolTwoWayAnonWithErrorResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<MainProtocolTwoWayAnonWithErrorResponse, u32>,
            >(_buf?)?;
            Ok(_response.map(|x| (x.a, x.b)))
        }
        self.client.send_query_and_decode::<
            MainProtocolTwoWayAnonWithErrorRequest,
            MainProtocolTwoWayAnonWithErrorResult,
        >(
            (a, b,),
            0x5862bf8170c87a36,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

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

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

        std::task::Poll::Ready(Some(MainProtocolEvent::decode(buf)))
    }
}

#[derive(Debug)]
pub enum MainProtocolEvent {
    OnComposed {
        a: i32,
    },
    OnComposedWithError {
        result: fidl_test_protocolpayloads_imported::ComposedProtocolOnComposedWithErrorResult,
    },
    OnLocal {
        a: u32,
        b: u32,
    },
    OnLocalWithError {
        result: MainProtocolOnLocalWithErrorResult,
    },
    OnImport {
        a: i32,
    },
    OnImportWithError {
        result: MainProtocolOnImportWithErrorResult,
    },
    OnAnon {
        a: u32,
        b: u32,
    },
    OnAnonWithError {
        result: MainProtocolOnAnonWithErrorResult,
    },
}

impl MainProtocolEvent {
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_composed(self) -> Option<i32> {
        if let MainProtocolEvent::OnComposed { a } = self {
            Some((a))
        } else {
            None
        }
    }
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_composed_with_error(
        self,
    ) -> Option<fidl_test_protocolpayloads_imported::ComposedProtocolOnComposedWithErrorResult>
    {
        if let MainProtocolEvent::OnComposedWithError { result } = self {
            Some((result))
        } else {
            None
        }
    }
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_local(self) -> Option<(u32, u32)> {
        if let MainProtocolEvent::OnLocal { a, b } = self {
            Some((a, b))
        } else {
            None
        }
    }
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_local_with_error(self) -> Option<MainProtocolOnLocalWithErrorResult> {
        if let MainProtocolEvent::OnLocalWithError { result } = self {
            Some((result))
        } else {
            None
        }
    }
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_import(self) -> Option<i32> {
        if let MainProtocolEvent::OnImport { a } = self {
            Some((a))
        } else {
            None
        }
    }
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_import_with_error(self) -> Option<MainProtocolOnImportWithErrorResult> {
        if let MainProtocolEvent::OnImportWithError { result } = self {
            Some((result))
        } else {
            None
        }
    }
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_anon(self) -> Option<(u32, u32)> {
        if let MainProtocolEvent::OnAnon { a, b } = self {
            Some((a, b))
        } else {
            None
        }
    }
    #[allow(irrefutable_let_patterns)]
    pub fn into_on_anon_with_error(self) -> Option<MainProtocolOnAnonWithErrorResult> {
        if let MainProtocolEvent::OnAnonWithError { result } = self {
            Some((result))
        } else {
            None
        }
    }

    /// Decodes a message buffer as a [`MainProtocolEvent`]. Transaction
    /// ID in the message must be zero; this method does not check TXID.
    fn decode(mut buf: fidl::MessageBufEtc) -> Result<MainProtocolEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

        match tx_header.ordinal() {
            0x19fbe2b2f6f9273a => {
                let mut out =
                    fidl::new_empty!(fidl_test_protocolpayloads_imported::ImportStructPayload);
                fidl::encoding::Decoder::decode_into::<
                    fidl_test_protocolpayloads_imported::ImportStructPayload,
                >(&tx_header, _body_bytes, _handles, &mut out)?;
                Ok((MainProtocolEvent::OnComposed { a: out.a }))
            }
            0x63774db677215e98 => {
                let mut out = fidl::new_empty!(fidl::encoding::ResultType<fidl_test_protocolpayloads_imported::ImportStructPayload, u32>);
                fidl::encoding::Decoder::decode_into::<
                    fidl::encoding::ResultType<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                        u32,
                    >,
                >(&tx_header, _body_bytes, _handles, &mut out)?;
                Ok((MainProtocolEvent::OnComposedWithError { result: out.map(|x| x.a) }))
            }
            0x4745f7438cd80819 => {
                let mut out = fidl::new_empty!(LocalStructPayload);
                fidl::encoding::Decoder::decode_into::<LocalStructPayload>(
                    &tx_header,
                    _body_bytes,
                    _handles,
                    &mut out,
                )?;
                Ok((MainProtocolEvent::OnLocal { a: out.a, b: out.b }))
            }
            0x4ecd4b3982e221af => {
                let mut out = fidl::new_empty!(fidl::encoding::ResultType<LocalStructPayload, u32>);
                fidl::encoding::Decoder::decode_into::<
                    fidl::encoding::ResultType<LocalStructPayload, u32>,
                >(&tx_header, _body_bytes, _handles, &mut out)?;
                Ok((MainProtocolEvent::OnLocalWithError { result: out.map(|x| (x.a, x.b)) }))
            }
            0x1bb4f4c30b6f8909 => {
                let mut out =
                    fidl::new_empty!(fidl_test_protocolpayloads_imported::ImportStructPayload);
                fidl::encoding::Decoder::decode_into::<
                    fidl_test_protocolpayloads_imported::ImportStructPayload,
                >(&tx_header, _body_bytes, _handles, &mut out)?;
                Ok((MainProtocolEvent::OnImport { a: out.a }))
            }
            0x6292b793d728f205 => {
                let mut out = fidl::new_empty!(fidl::encoding::ResultType<fidl_test_protocolpayloads_imported::ImportStructPayload, u32>);
                fidl::encoding::Decoder::decode_into::<
                    fidl::encoding::ResultType<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                        u32,
                    >,
                >(&tx_header, _body_bytes, _handles, &mut out)?;
                Ok((MainProtocolEvent::OnImportWithError { result: out.map(|x| x.a) }))
            }
            0x42d321dacc4df000 => {
                let mut out = fidl::new_empty!(MainProtocolOnAnonRequest);
                fidl::encoding::Decoder::decode_into::<MainProtocolOnAnonRequest>(
                    &tx_header,
                    _body_bytes,
                    _handles,
                    &mut out,
                )?;
                Ok((MainProtocolEvent::OnAnon { a: out.a, b: out.b }))
            }
            0x45bc24ef47b44a02 => {
                let mut out = fidl::new_empty!(fidl::encoding::ResultType<MainProtocolOnAnonWithErrorResponse, u32>);
                fidl::encoding::Decoder::decode_into::<
                    fidl::encoding::ResultType<MainProtocolOnAnonWithErrorResponse, u32>,
                >(&tx_header, _body_bytes, _handles, &mut out)?;
                Ok((MainProtocolEvent::OnAnonWithError { result: out.map(|x| (x.a, x.b)) }))
            }
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal(),
                protocol_name: <MainProtocolMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for MainProtocol
pub struct MainProtocolRequestStream {
    inner: std::sync::Arc<fidl::ServeInner>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for MainProtocolRequestStream {
    type Protocol = MainProtocolMarker;
    type ControlHandle = MainProtocolControlHandle;

    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 {
        MainProtocolControlHandle { 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 MainProtocolRequestStream {
    type Item = Result<MainProtocolRequest, 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.poll_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled MainProtocolRequestStream 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)?;
            if !header.is_compatible() {
                return std::task::Poll::Ready(Some(Err(fidl::Error::IncompatibleMagicNumber(
                    header.magic_number(),
                ))));
            }

            std::task::Poll::Ready(Some(match header.ordinal() {
                0x241e4384443ccb10 => {
                    let mut req =
                        fidl::new_empty!(fidl_test_protocolpayloads_imported::ImportStructPayload);
                    fidl::encoding::Decoder::decode_into::<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                    >(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::OneWayComposed { a: req.a, control_handle })
                }
                0x2348a1331ca4cfb0 => {
                    let mut req =
                        fidl::new_empty!(fidl_test_protocolpayloads_imported::ImportStructPayload);
                    fidl::encoding::Decoder::decode_into::<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                    >(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::TwoWayComposed {
                        a: req.a,

                        responder: MainProtocolTwoWayComposedResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id(),
                            ordinal: header.ordinal(),
                        },
                    })
                }
                0x6a9be48b574d1557 => {
                    let mut req =
                        fidl::new_empty!(fidl_test_protocolpayloads_imported::ImportStructPayload);
                    fidl::encoding::Decoder::decode_into::<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                    >(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::TwoWayComposedWithError {
                        a: req.a,

                        responder: MainProtocolTwoWayComposedWithErrorResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id(),
                            ordinal: header.ordinal(),
                        },
                    })
                }
                0x6b9feaf9305b0715 => {
                    let mut req = fidl::new_empty!(LocalStructPayload);
                    fidl::encoding::Decoder::decode_into::<LocalStructPayload>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::OneWayLocal { a: req.a, b: req.b, control_handle })
                }
                0x743776548de3af0f => {
                    let mut req = fidl::new_empty!(LocalStructPayload);
                    fidl::encoding::Decoder::decode_into::<LocalStructPayload>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::TwoWayLocal {
                        a: req.a,
                        b: req.b,

                        responder: MainProtocolTwoWayLocalResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id(),
                            ordinal: header.ordinal(),
                        },
                    })
                }
                0x2839c029915cb8fc => {
                    let mut req = fidl::new_empty!(LocalStructPayload);
                    fidl::encoding::Decoder::decode_into::<LocalStructPayload>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::TwoWayLocalWithError {
                        a: req.a,
                        b: req.b,

                        responder: MainProtocolTwoWayLocalWithErrorResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id(),
                            ordinal: header.ordinal(),
                        },
                    })
                }
                0x2e6b091ae4cee40c => {
                    let mut req =
                        fidl::new_empty!(fidl_test_protocolpayloads_imported::ImportStructPayload);
                    fidl::encoding::Decoder::decode_into::<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                    >(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::OneWayImport { a: req.a, control_handle })
                }
                0x20f4a8f65ff69473 => {
                    let mut req =
                        fidl::new_empty!(fidl_test_protocolpayloads_imported::ImportStructPayload);
                    fidl::encoding::Decoder::decode_into::<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                    >(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::TwoWayImport {
                        a: req.a,

                        responder: MainProtocolTwoWayImportResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id(),
                            ordinal: header.ordinal(),
                        },
                    })
                }
                0x3b7b706d42eb9bbd => {
                    let mut req =
                        fidl::new_empty!(fidl_test_protocolpayloads_imported::ImportStructPayload);
                    fidl::encoding::Decoder::decode_into::<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                    >(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::TwoWayImportWithError {
                        a: req.a,

                        responder: MainProtocolTwoWayImportWithErrorResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id(),
                            ordinal: header.ordinal(),
                        },
                    })
                }
                0xb43565c01ab54ac => {
                    let mut req = fidl::new_empty!(MainProtocolOneWayAnonRequest);
                    fidl::encoding::Decoder::decode_into::<MainProtocolOneWayAnonRequest>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::OneWayAnon { a: req.a, b: req.b, control_handle })
                }
                0x8bdc969ff7dd759 => {
                    let mut req = fidl::new_empty!(MainProtocolTwoWayAnonRequest);
                    fidl::encoding::Decoder::decode_into::<MainProtocolTwoWayAnonRequest>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::TwoWayAnon {
                        a: req.a,
                        b: req.b,

                        responder: MainProtocolTwoWayAnonResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id(),
                            ordinal: header.ordinal(),
                        },
                    })
                }
                0x5862bf8170c87a36 => {
                    let mut req = fidl::new_empty!(MainProtocolTwoWayAnonWithErrorRequest);
                    fidl::encoding::Decoder::decode_into::<MainProtocolTwoWayAnonWithErrorRequest>(
                        &header,
                        _body_bytes,
                        handles,
                        &mut req,
                    )?;
                    let control_handle = MainProtocolControlHandle { inner: this.inner.clone() };

                    Ok(MainProtocolRequest::TwoWayAnonWithError {
                        a: req.a,
                        b: req.b,

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

#[derive(Debug)]
pub enum MainProtocolRequest {
    OneWayComposed { a: i32, control_handle: MainProtocolControlHandle },
    TwoWayComposed { a: i32, responder: MainProtocolTwoWayComposedResponder },
    TwoWayComposedWithError { a: i32, responder: MainProtocolTwoWayComposedWithErrorResponder },
    OneWayLocal { a: u32, b: u32, control_handle: MainProtocolControlHandle },
    TwoWayLocal { a: u32, b: u32, responder: MainProtocolTwoWayLocalResponder },
    TwoWayLocalWithError { a: u32, b: u32, responder: MainProtocolTwoWayLocalWithErrorResponder },
    OneWayImport { a: i32, control_handle: MainProtocolControlHandle },
    TwoWayImport { a: i32, responder: MainProtocolTwoWayImportResponder },
    TwoWayImportWithError { a: i32, responder: MainProtocolTwoWayImportWithErrorResponder },
    OneWayAnon { a: u32, b: u32, control_handle: MainProtocolControlHandle },
    TwoWayAnon { a: u32, b: u32, responder: MainProtocolTwoWayAnonResponder },
    TwoWayAnonWithError { a: u32, b: u32, responder: MainProtocolTwoWayAnonWithErrorResponder },
}

impl MainProtocolRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_one_way_composed(self) -> Option<(i32, MainProtocolControlHandle)> {
        if let MainProtocolRequest::OneWayComposed { a, control_handle } = self {
            Some((a, control_handle))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_two_way_composed(self) -> Option<(i32, MainProtocolTwoWayComposedResponder)> {
        if let MainProtocolRequest::TwoWayComposed { a, responder } = self {
            Some((a, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_two_way_composed_with_error(
        self,
    ) -> Option<(i32, MainProtocolTwoWayComposedWithErrorResponder)> {
        if let MainProtocolRequest::TwoWayComposedWithError { a, responder } = self {
            Some((a, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_one_way_local(self) -> Option<(u32, u32, MainProtocolControlHandle)> {
        if let MainProtocolRequest::OneWayLocal { a, b, control_handle } = self {
            Some((a, b, control_handle))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_two_way_local(self) -> Option<(u32, u32, MainProtocolTwoWayLocalResponder)> {
        if let MainProtocolRequest::TwoWayLocal { a, b, responder } = self {
            Some((a, b, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_two_way_local_with_error(
        self,
    ) -> Option<(u32, u32, MainProtocolTwoWayLocalWithErrorResponder)> {
        if let MainProtocolRequest::TwoWayLocalWithError { a, b, responder } = self {
            Some((a, b, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_one_way_import(self) -> Option<(i32, MainProtocolControlHandle)> {
        if let MainProtocolRequest::OneWayImport { a, control_handle } = self {
            Some((a, control_handle))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_two_way_import(self) -> Option<(i32, MainProtocolTwoWayImportResponder)> {
        if let MainProtocolRequest::TwoWayImport { a, responder } = self {
            Some((a, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_two_way_import_with_error(
        self,
    ) -> Option<(i32, MainProtocolTwoWayImportWithErrorResponder)> {
        if let MainProtocolRequest::TwoWayImportWithError { a, responder } = self {
            Some((a, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_one_way_anon(self) -> Option<(u32, u32, MainProtocolControlHandle)> {
        if let MainProtocolRequest::OneWayAnon { a, b, control_handle } = self {
            Some((a, b, control_handle))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_two_way_anon(self) -> Option<(u32, u32, MainProtocolTwoWayAnonResponder)> {
        if let MainProtocolRequest::TwoWayAnon { a, b, responder } = self {
            Some((a, b, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_two_way_anon_with_error(
        self,
    ) -> Option<(u32, u32, MainProtocolTwoWayAnonWithErrorResponder)> {
        if let MainProtocolRequest::TwoWayAnonWithError { a, b, responder } = self {
            Some((a, b, responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            MainProtocolRequest::OneWayComposed { .. } => "one_way_composed",
            MainProtocolRequest::TwoWayComposed { .. } => "two_way_composed",
            MainProtocolRequest::TwoWayComposedWithError { .. } => "two_way_composed_with_error",
            MainProtocolRequest::OneWayLocal { .. } => "one_way_local",
            MainProtocolRequest::TwoWayLocal { .. } => "two_way_local",
            MainProtocolRequest::TwoWayLocalWithError { .. } => "two_way_local_with_error",
            MainProtocolRequest::OneWayImport { .. } => "one_way_import",
            MainProtocolRequest::TwoWayImport { .. } => "two_way_import",
            MainProtocolRequest::TwoWayImportWithError { .. } => "two_way_import_with_error",
            MainProtocolRequest::OneWayAnon { .. } => "one_way_anon",
            MainProtocolRequest::TwoWayAnon { .. } => "two_way_anon",
            MainProtocolRequest::TwoWayAnonWithError { .. } => "two_way_anon_with_error",
        }
    }
}

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

impl fidl::endpoints::ControlHandle for MainProtocolControlHandle {
    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<'a>(&'a self) -> fidl::OnSignals<'a> {
        self.inner.channel().on_closed()
    }
}

impl MainProtocolControlHandle {
    pub fn send_on_composed(&self, mut a: i32) -> Result<(), fidl::Error> {
        self.inner.send::<fidl_test_protocolpayloads_imported::ImportStructPayload>(
            (a,),
            0,
            0x19fbe2b2f6f9273a,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn send_on_composed_with_error(
        &self,
        mut result: Result<i32, u32>,
    ) -> Result<(), fidl::Error> {
        self.inner.send::<fidl::encoding::ResultType<
            fidl_test_protocolpayloads_imported::ImportStructPayload,
            u32,
        >>(
            result.map(|a| (a,)),
            0,
            0x63774db677215e98,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn send_on_local(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        self.inner.send::<LocalStructPayload>(
            (a, b),
            0,
            0x4745f7438cd80819,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn send_on_local_with_error(
        &self,
        mut result: Result<(u32, u32), u32>,
    ) -> Result<(), fidl::Error> {
        self.inner.send::<fidl::encoding::ResultType<LocalStructPayload, u32>>(
            result,
            0,
            0x4ecd4b3982e221af,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn send_on_import(&self, mut a: i32) -> Result<(), fidl::Error> {
        self.inner.send::<fidl_test_protocolpayloads_imported::ImportStructPayload>(
            (a,),
            0,
            0x1bb4f4c30b6f8909,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn send_on_import_with_error(
        &self,
        mut result: Result<i32, u32>,
    ) -> Result<(), fidl::Error> {
        self.inner.send::<fidl::encoding::ResultType<
            fidl_test_protocolpayloads_imported::ImportStructPayload,
            u32,
        >>(
            result.map(|a| (a,)),
            0,
            0x6292b793d728f205,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn send_on_anon(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        self.inner.send::<MainProtocolOnAnonRequest>(
            (a, b),
            0,
            0x42d321dacc4df000,
            fidl::encoding::DynamicFlags::empty(),
        )
    }

    pub fn send_on_anon_with_error(
        &self,
        mut result: Result<(u32, u32), u32>,
    ) -> Result<(), fidl::Error> {
        self.inner.send::<fidl::encoding::ResultType<MainProtocolOnAnonWithErrorResponse, u32>>(
            result,
            0,
            0x45bc24ef47b44a02,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct MainProtocolTwoWayComposedResponder {
    control_handle: std::mem::ManuallyDrop<MainProtocolControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

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

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

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

    fn send_raw(&self, mut a: i32) -> Result<(), fidl::Error> {
        let msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: (a,),
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::encoding::Encoder::encode::<
                fidl::encoding::TransactionMessageType<
                    fidl_test_protocolpayloads_imported::ImportStructPayload,
                >,
            >(bytes, handles, msg)?;
            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct MainProtocolTwoWayComposedWithErrorResponder {
    control_handle: std::mem::ManuallyDrop<MainProtocolControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

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

    fn control_handle(&self) -> &MainProtocolControlHandle {
        &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 MainProtocolTwoWayComposedWithErrorResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<i32, u32>) -> Result<(), fidl::Error> {
        let r = self.send_raw(result);
        if r.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        r
    }

    /// 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, u32>) -> Result<(), fidl::Error> {
        let r = self.send_raw(result);
        self.drop_without_shutdown();
        r
    }

    fn send_raw(&self, mut result: Result<i32, u32>) -> Result<(), fidl::Error> {
        let msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: result.map(|a| (a,)),
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::encoding::Encoder::encode::<
                fidl::encoding::TransactionMessageType<
                    fidl::encoding::ResultType<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                        u32,
                    >,
                >,
            >(bytes, handles, msg)?;
            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct MainProtocolTwoWayLocalResponder {
    control_handle: std::mem::ManuallyDrop<MainProtocolControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

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

    fn control_handle(&self) -> &MainProtocolControlHandle {
        &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 MainProtocolTwoWayLocalResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        let r = self.send_raw(a, b);
        if r.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        r
    }

    /// Similar to "send" but does not shutdown the channel if
    /// an error occurs.
    pub fn send_no_shutdown_on_err(self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        let r = self.send_raw(a, b);
        self.drop_without_shutdown();
        r
    }

    fn send_raw(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        let msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: (a, b),
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::encoding::Encoder::encode::<
                fidl::encoding::TransactionMessageType<LocalStructPayload>,
            >(bytes, handles, msg)?;
            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct MainProtocolTwoWayLocalWithErrorResponder {
    control_handle: std::mem::ManuallyDrop<MainProtocolControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

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

    fn control_handle(&self) -> &MainProtocolControlHandle {
        &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 MainProtocolTwoWayLocalWithErrorResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<(u32, u32), u32>) -> Result<(), fidl::Error> {
        let r = self.send_raw(result);
        if r.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        r
    }

    /// Similar to "send" but does not shutdown the channel if
    /// an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<(u32, u32), u32>,
    ) -> Result<(), fidl::Error> {
        let r = self.send_raw(result);
        self.drop_without_shutdown();
        r
    }

    fn send_raw(&self, mut result: Result<(u32, u32), u32>) -> Result<(), fidl::Error> {
        let msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: result,
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::encoding::Encoder::encode::<
                fidl::encoding::TransactionMessageType<
                    fidl::encoding::ResultType<LocalStructPayload, u32>,
                >,
            >(bytes, handles, msg)?;
            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct MainProtocolTwoWayImportResponder {
    control_handle: std::mem::ManuallyDrop<MainProtocolControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

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

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

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

    fn send_raw(&self, mut a: i32) -> Result<(), fidl::Error> {
        let msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: (a,),
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::encoding::Encoder::encode::<
                fidl::encoding::TransactionMessageType<
                    fidl_test_protocolpayloads_imported::ImportStructPayload,
                >,
            >(bytes, handles, msg)?;
            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct MainProtocolTwoWayImportWithErrorResponder {
    control_handle: std::mem::ManuallyDrop<MainProtocolControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

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

    fn control_handle(&self) -> &MainProtocolControlHandle {
        &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 MainProtocolTwoWayImportWithErrorResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<i32, u32>) -> Result<(), fidl::Error> {
        let r = self.send_raw(result);
        if r.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        r
    }

    /// 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, u32>) -> Result<(), fidl::Error> {
        let r = self.send_raw(result);
        self.drop_without_shutdown();
        r
    }

    fn send_raw(&self, mut result: Result<i32, u32>) -> Result<(), fidl::Error> {
        let msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: result.map(|a| (a,)),
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::encoding::Encoder::encode::<
                fidl::encoding::TransactionMessageType<
                    fidl::encoding::ResultType<
                        fidl_test_protocolpayloads_imported::ImportStructPayload,
                        u32,
                    >,
                >,
            >(bytes, handles, msg)?;
            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct MainProtocolTwoWayAnonResponder {
    control_handle: std::mem::ManuallyDrop<MainProtocolControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

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

    fn control_handle(&self) -> &MainProtocolControlHandle {
        &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 MainProtocolTwoWayAnonResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        let r = self.send_raw(a, b);
        if r.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        r
    }

    /// Similar to "send" but does not shutdown the channel if
    /// an error occurs.
    pub fn send_no_shutdown_on_err(self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        let r = self.send_raw(a, b);
        self.drop_without_shutdown();
        r
    }

    fn send_raw(&self, mut a: u32, mut b: u32) -> Result<(), fidl::Error> {
        let msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: (a, b),
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::encoding::Encoder::encode::<
                fidl::encoding::TransactionMessageType<MainProtocolTwoWayAnonResponse>,
            >(bytes, handles, msg)?;
            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}

#[must_use = "FIDL methods require a response to be sent"]
#[derive(Debug)]
pub struct MainProtocolTwoWayAnonWithErrorResponder {
    control_handle: std::mem::ManuallyDrop<MainProtocolControlHandle>,
    tx_id: u32,
    ordinal: u64,
}

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

    fn control_handle(&self) -> &MainProtocolControlHandle {
        &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 MainProtocolTwoWayAnonWithErrorResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut result: Result<(u32, u32), u32>) -> Result<(), fidl::Error> {
        let r = self.send_raw(result);
        if r.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        r
    }

    /// Similar to "send" but does not shutdown the channel if
    /// an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<(u32, u32), u32>,
    ) -> Result<(), fidl::Error> {
        let r = self.send_raw(result);
        self.drop_without_shutdown();
        r
    }

    fn send_raw(&self, mut result: Result<(u32, u32), u32>) -> Result<(), fidl::Error> {
        let msg = fidl::encoding::TransactionMessage {
            header: fidl::encoding::TransactionHeader::new(
                self.tx_id,
                self.ordinal,
                fidl::encoding::DynamicFlags::empty(),
            ),
            body: result,
        };

        fidl::encoding::with_tls_encode_buf(|bytes, handles| {
            fidl::encoding::Encoder::encode::<
                fidl::encoding::TransactionMessageType<
                    fidl::encoding::ResultType<MainProtocolTwoWayAnonWithErrorResponse, u32>,
                >,
            >(bytes, handles, msg)?;
            self.control_handle.inner.send_raw_msg(&*bytes, &mut *handles)
        })
    }
}

mod internal {
    use super::*;

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

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 8,
                fidl::encoding::WireFormatVersion::V2 => 8,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for LocalStructPayload {
        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<LocalStructPayload> for &LocalStructPayload {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<LocalStructPayload>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut LocalStructPayload)
                    .write_unaligned((self as *const LocalStructPayload).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<u32>, T1: fidl::encoding::Encode<u32>>
        fidl::encoding::Encode<LocalStructPayload> 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::<LocalStructPayload>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            };
            self.1.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for LocalStructPayload {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(u32), b: fidl::new_empty!(u32) }
        }

        #[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 MainProtocolOnAnonRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 8,
                fidl::encoding::WireFormatVersion::V2 => 8,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for MainProtocolOnAnonRequest {
        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<MainProtocolOnAnonRequest> for &MainProtocolOnAnonRequest {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<MainProtocolOnAnonRequest>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut MainProtocolOnAnonRequest)
                    .write_unaligned((self as *const MainProtocolOnAnonRequest).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<u32>, T1: fidl::encoding::Encode<u32>>
        fidl::encoding::Encode<MainProtocolOnAnonRequest> 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::<MainProtocolOnAnonRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            };
            self.1.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for MainProtocolOnAnonRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(u32), b: fidl::new_empty!(u32) }
        }

        #[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 MainProtocolOneWayAnonRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 8,
                fidl::encoding::WireFormatVersion::V2 => 8,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for MainProtocolOneWayAnonRequest {
        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<MainProtocolOneWayAnonRequest>
        for &MainProtocolOneWayAnonRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<MainProtocolOneWayAnonRequest>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut MainProtocolOneWayAnonRequest)
                    .write_unaligned((self as *const MainProtocolOneWayAnonRequest).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<u32>, T1: fidl::encoding::Encode<u32>>
        fidl::encoding::Encode<MainProtocolOneWayAnonRequest> 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::<MainProtocolOneWayAnonRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            };
            self.1.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for MainProtocolOneWayAnonRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(u32), b: fidl::new_empty!(u32) }
        }

        #[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 MainProtocolTwoWayAnonRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 8,
                fidl::encoding::WireFormatVersion::V2 => 8,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for MainProtocolTwoWayAnonRequest {
        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<MainProtocolTwoWayAnonRequest>
        for &MainProtocolTwoWayAnonRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<MainProtocolTwoWayAnonRequest>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut MainProtocolTwoWayAnonRequest)
                    .write_unaligned((self as *const MainProtocolTwoWayAnonRequest).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<u32>, T1: fidl::encoding::Encode<u32>>
        fidl::encoding::Encode<MainProtocolTwoWayAnonRequest> 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::<MainProtocolTwoWayAnonRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            };
            self.1.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for MainProtocolTwoWayAnonRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(u32), b: fidl::new_empty!(u32) }
        }

        #[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 MainProtocolTwoWayAnonResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 8,
                fidl::encoding::WireFormatVersion::V2 => 8,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for MainProtocolTwoWayAnonResponse {
        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<MainProtocolTwoWayAnonResponse>
        for &MainProtocolTwoWayAnonResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<MainProtocolTwoWayAnonResponse>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut MainProtocolTwoWayAnonResponse)
                    .write_unaligned((self as *const MainProtocolTwoWayAnonResponse).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<u32>, T1: fidl::encoding::Encode<u32>>
        fidl::encoding::Encode<MainProtocolTwoWayAnonResponse> 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::<MainProtocolTwoWayAnonResponse>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            };
            self.1.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for MainProtocolTwoWayAnonResponse {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(u32), b: fidl::new_empty!(u32) }
        }

        #[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 MainProtocolTwoWayAnonWithErrorRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 8,
                fidl::encoding::WireFormatVersion::V2 => 8,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for MainProtocolTwoWayAnonWithErrorRequest {
        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<MainProtocolTwoWayAnonWithErrorRequest>
        for &MainProtocolTwoWayAnonWithErrorRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<MainProtocolTwoWayAnonWithErrorRequest>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut MainProtocolTwoWayAnonWithErrorRequest).write_unaligned(
                    (self as *const MainProtocolTwoWayAnonWithErrorRequest).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<u32>, T1: fidl::encoding::Encode<u32>>
        fidl::encoding::Encode<MainProtocolTwoWayAnonWithErrorRequest> 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::<MainProtocolTwoWayAnonWithErrorRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            };
            self.1.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for MainProtocolTwoWayAnonWithErrorRequest {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(u32), b: fidl::new_empty!(u32) }
        }

        #[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 MainProtocolOnAnonWithErrorResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 8,
                fidl::encoding::WireFormatVersion::V2 => 8,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for MainProtocolOnAnonWithErrorResponse {
        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<MainProtocolOnAnonWithErrorResponse>
        for &MainProtocolOnAnonWithErrorResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<MainProtocolOnAnonWithErrorResponse>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut MainProtocolOnAnonWithErrorResponse)
                    .write_unaligned((self as *const MainProtocolOnAnonWithErrorResponse).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<u32>, T1: fidl::encoding::Encode<u32>>
        fidl::encoding::Encode<MainProtocolOnAnonWithErrorResponse> 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::<MainProtocolOnAnonWithErrorResponse>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            };
            self.1.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for MainProtocolOnAnonWithErrorResponse {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(u32), b: fidl::new_empty!(u32) }
        }

        #[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 MainProtocolTwoWayAnonWithErrorResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 8,
                fidl::encoding::WireFormatVersion::V2 => 8,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            true
        }
    }
    impl fidl::encoding::ValueTypeMarker for MainProtocolTwoWayAnonWithErrorResponse {
        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<MainProtocolTwoWayAnonWithErrorResponse>
        for &MainProtocolTwoWayAnonWithErrorResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<MainProtocolTwoWayAnonWithErrorResponse>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut MainProtocolTwoWayAnonWithErrorResponse).write_unaligned(
                    (self as *const MainProtocolTwoWayAnonWithErrorResponse).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<u32>, T1: fidl::encoding::Encode<u32>>
        fidl::encoding::Encode<MainProtocolTwoWayAnonWithErrorResponse> 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::<MainProtocolTwoWayAnonWithErrorResponse>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            };
            self.1.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for MainProtocolTwoWayAnonWithErrorResponse {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(u32), b: fidl::new_empty!(u32) }
        }

        #[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(())
        }
    }
}