fidl_fuchsia_fonts_experimental/

fidl_fuchsia_fonts_experimental.rs

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

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

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

/// The maximum number of font families that can be returned in a
/// `TypefaceInfoResponse`.
pub const MAX_TYPEFACE_RESULTS: u32 = 16;

bitflags! {
    #[derive(Clone, Copy, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
    pub struct ListTypefacesFlags: u32 {
        /// Match families whose name or alias exactly contains the requested
        /// `FamilyName`. If not set, match families whose name or alias exactly
        /// matches `FamilyName`.
        ///
        /// Note: Matching will always ignore case.
        const MATCH_FAMILY_NAME_SUBSTRING = 1;
    }
}

impl ListTypefacesFlags {
    #[deprecated = "Strict bits should not use `has_unknown_bits`"]
    #[inline(always)]
    pub fn has_unknown_bits(&self) -> bool {
        false
    }

    #[deprecated = "Strict bits should not use `get_unknown_bits`"]
    #[inline(always)]
    pub fn get_unknown_bits(&self) -> u32 {
        0
    }
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum Error {
    NotFound = 1,
    Internal = 2,
}

impl Error {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            1 => Some(Self::NotFound),
            2 => Some(Self::Internal),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        self as u32
    }

    #[deprecated = "Strict enums should not use `is_unknown`"]
    #[inline]
    pub fn is_unknown(&self) -> bool {
        false
    }
}

#[derive(Clone, Debug, PartialEq)]
pub struct ListTypefacesIteratorGetNextResponse {
    pub response: TypefaceInfoResponse,
}

impl fidl::Persistable for ListTypefacesIteratorGetNextResponse {}

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

impl fidl::Persistable for ProviderGetTypefaceByIdRequest {}

#[derive(Clone, Debug, PartialEq)]
pub struct ProviderGetTypefacesByFamilyRequest {
    pub family: fidl_fuchsia_fonts::FamilyName,
}

impl fidl::Persistable for ProviderGetTypefacesByFamilyRequest {}

#[derive(Debug, PartialEq)]
pub struct ProviderListTypefacesRequest {
    pub request: ListTypefacesRequest,
    pub iterator: fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>,
}

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

#[derive(Debug, PartialEq)]
pub struct ProviderGetTypefaceByIdResponse {
    pub response: fidl_fuchsia_fonts::TypefaceResponse,
}

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

#[derive(Clone, Debug, PartialEq)]
pub struct ProviderGetTypefacesByFamilyResponse {
    pub response: TypefaceInfoResponse,
}

impl fidl::Persistable for ProviderGetTypefacesByFamilyResponse {}

/// Represents a range of acceptable `Slant`s. Both bounds are inclusive.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct SlantRange {
    pub lower: fidl_fuchsia_fonts::Slant,
    pub upper: fidl_fuchsia_fonts::Slant,
}

impl fidl::Persistable for SlantRange {}

/// Represents a range of acceptable `Weight`s. Both bounds are inclusive.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct WeightRange {
    pub lower: u16,
    pub upper: u16,
}

impl fidl::Persistable for WeightRange {}

/// Represents a range of acceptable `Width`s. Both bounds are inclusive.
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct WidthRange {
    pub lower: fidl_fuchsia_fonts::Width,
    pub upper: fidl_fuchsia_fonts::Width,
}

impl fidl::Persistable for WidthRange {}

/// Query parameters for `ListTypefaces`. Results must match all included
/// fields. All fields are optional; omitted fields will match any font.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct ListTypefacesRequest {
    /// Optional flags to modify matching behavior. Ignored if no other fields
    /// are set.
    pub flags: Option<ListTypefacesFlags>,
    /// The name or alias of a font family. By default, families whose name
    /// exactly matches `family`. For substring matching, set the request's
    /// `MATCH_FAMILY_NAME_SUBSTRING` flag.
    pub family: Option<fidl_fuchsia_fonts::FamilyName>,
    /// Results must have a slant within this inclusive range.
    pub slant: Option<SlantRange>,
    /// Results must have a weight within this inclusive range.
    pub weight: Option<WeightRange>,
    /// Results must have a width within this inclusive range.
    pub width: Option<WidthRange>,
    /// Languages that results must support.
    /// Each result must support all requested languages.
    pub languages: Option<Vec<fidl_fuchsia_intl::LocaleId>>,
    /// Code points that results must include.
    /// Each result must include all requested code points.
    pub code_points: Option<Vec<u32>>,
    /// Generic font family which results must belong to. If a font's generic
    /// family is not set, it will only be matched if this field is also not
    /// set. However, omitting this field will still cause it to match any font.
    pub generic_family: Option<fidl_fuchsia_fonts::GenericFontFamily>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for ListTypefacesRequest {}

/// Collection of typeface metadata that should be sufficient for clients to
/// perform some kind of selection (likely via human) and request an exact font.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct TypefaceInfo {
    /// Identifier for the font asset. This ID is valid for the lifetime of the
    /// font service. May be used in conjunction with `font_index` to directly
    /// request this font.
    pub asset_id: Option<u32>,
    /// Index of the font within its parent asset. May be used in conjunction
    /// with `asset_id` to directly request this font.
    pub font_index: Option<u32>,
    pub family: Option<fidl_fuchsia_fonts::FamilyName>,
    pub style: Option<fidl_fuchsia_fonts::Style2>,
    pub languages: Option<Vec<fidl_fuchsia_intl::LocaleId>>,
    pub generic_family: Option<fidl_fuchsia_fonts::GenericFontFamily>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for TypefaceInfo {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct TypefaceInfoResponse {
    pub results: Option<Vec<TypefaceInfo>>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for TypefaceInfoResponse {}

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

impl fidl::endpoints::ProtocolMarker for ListTypefacesIteratorMarker {
    type Proxy = ListTypefacesIteratorProxy;
    type RequestStream = ListTypefacesIteratorRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ListTypefacesIteratorSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) ListTypefacesIterator";
}

pub trait ListTypefacesIteratorProxyInterface: Send + Sync {
    type GetNextResponseFut: std::future::Future<Output = Result<TypefaceInfoResponse, fidl::Error>>
        + Send;
    fn r#get_next(&self) -> Self::GetNextResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ListTypefacesIteratorSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ListTypefacesIteratorSynchronousProxy {
    type Proxy = ListTypefacesIteratorProxy;
    type Protocol = ListTypefacesIteratorMarker;

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

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

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

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

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

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

    /// Returns the next chunk of `TypefaceInfo` for all typefaces that match
    /// the bound `ListTypefacesRequest`. If `response.results` is empty, no
    /// results remain.
    pub fn r#get_next(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<TypefaceInfoResponse, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, ListTypefacesIteratorGetNextResponse>(
                (),
                0x6592495ffe922cec,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response.response)
    }
}

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

impl fidl::endpoints::Proxy for ListTypefacesIteratorProxy {
    type Protocol = ListTypefacesIteratorMarker;

    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 ListTypefacesIteratorProxy {
    /// Create a new Proxy for fuchsia.fonts.experimental/ListTypefacesIterator.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name =
            <ListTypefacesIteratorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
        Self { client: fidl::client::Client::new(channel, protocol_name) }
    }

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

    /// Returns the next chunk of `TypefaceInfo` for all typefaces that match
    /// the bound `ListTypefacesRequest`. If `response.results` is empty, no
    /// results remain.
    pub fn r#get_next(
        &self,
    ) -> fidl::client::QueryResponseFut<
        TypefaceInfoResponse,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ListTypefacesIteratorProxyInterface::r#get_next(self)
    }
}

impl ListTypefacesIteratorProxyInterface for ListTypefacesIteratorProxy {
    type GetNextResponseFut = fidl::client::QueryResponseFut<
        TypefaceInfoResponse,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_next(&self) -> Self::GetNextResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<TypefaceInfoResponse, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                ListTypefacesIteratorGetNextResponse,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x6592495ffe922cec,
            >(_buf?)?;
            Ok(_response.response)
        }
        self.client.send_query_and_decode::<fidl::encoding::EmptyPayload, TypefaceInfoResponse>(
            (),
            0x6592495ffe922cec,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

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

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

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

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

/// A Stream of incoming requests for fuchsia.fonts.experimental/ListTypefacesIterator.
pub struct ListTypefacesIteratorRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for ListTypefacesIteratorRequestStream {
    type Protocol = ListTypefacesIteratorMarker;
    type ControlHandle = ListTypefacesIteratorControlHandle;

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

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

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

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

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

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

                std::task::Poll::Ready(Some(match header.ordinal {
                0x6592495ffe922cec => {
                    header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                    let mut req = fidl::new_empty!(fidl::encoding::EmptyPayload, fidl::encoding::DefaultFuchsiaResourceDialect);
                    fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                    let control_handle = ListTypefacesIteratorControlHandle {
                        inner: this.inner.clone(),
                    };
                    Ok(ListTypefacesIteratorRequest::GetNext {
                        responder: ListTypefacesIteratorGetNextResponder {
                            control_handle: std::mem::ManuallyDrop::new(control_handle),
                            tx_id: header.tx_id,
                        },
                    })
                }
                _ => Err(fidl::Error::UnknownOrdinal {
                    ordinal: header.ordinal,
                    protocol_name: <ListTypefacesIteratorMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                }),
            }))
            },
        )
    }
}

#[derive(Debug)]
pub enum ListTypefacesIteratorRequest {
    /// Returns the next chunk of `TypefaceInfo` for all typefaces that match
    /// the bound `ListTypefacesRequest`. If `response.results` is empty, no
    /// results remain.
    GetNext { responder: ListTypefacesIteratorGetNextResponder },
}

impl ListTypefacesIteratorRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_next(self) -> Option<(ListTypefacesIteratorGetNextResponder)> {
        if let ListTypefacesIteratorRequest::GetNext { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

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

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

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

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

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

impl ListTypefacesIteratorControlHandle {}

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

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

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

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

    fn send_raw(&self, mut response: &TypefaceInfoResponse) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<ListTypefacesIteratorGetNextResponse>(
            (response,),
            self.tx_id,
            0x6592495ffe922cec,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

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

    const DEBUG_NAME: &'static str = "fuchsia.fonts.experimental.Provider";
}
impl fidl::endpoints::DiscoverableProtocolMarker for ProviderMarker {}
pub type ProviderGetTypefaceByIdResult = Result<fidl_fuchsia_fonts::TypefaceResponse, Error>;
pub type ProviderListTypefacesResult = Result<(), Error>;
pub type ProviderGetTypefacesByFamilyResult = Result<TypefaceInfoResponse, Error>;

pub trait ProviderProxyInterface: Send + Sync {
    type GetTypefaceByIdResponseFut: std::future::Future<Output = Result<ProviderGetTypefaceByIdResult, fidl::Error>>
        + Send;
    fn r#get_typeface_by_id(&self, id: u32) -> Self::GetTypefaceByIdResponseFut;
    type ListTypefacesResponseFut: std::future::Future<Output = Result<ProviderListTypefacesResult, fidl::Error>>
        + Send;
    fn r#list_typefaces(
        &self,
        request: &ListTypefacesRequest,
        iterator: fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>,
    ) -> Self::ListTypefacesResponseFut;
    type GetTypefacesByFamilyResponseFut: std::future::Future<Output = Result<ProviderGetTypefacesByFamilyResult, fidl::Error>>
        + Send;
    fn r#get_typefaces_by_family(
        &self,
        family: &fidl_fuchsia_fonts::FamilyName,
    ) -> Self::GetTypefacesByFamilyResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ProviderSynchronousProxy {
    client: fidl::client::sync::Client,
}

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

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

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

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

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

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

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

    /// Get an exact font by asset ID. This would typically be called
    /// after `ListTypefaces`, e.g. as part of a font selection interface.
    /// As with `fuchsia.fonts.GetTypeface`, it is the caller's responsibility
    /// to properly parse the file.
    ///
    /// Possible errors:
    /// `NOT_FOUND` if no asset with the requested `id` exists.
    /// `INTERNAL` if the requested `id` exists, but the asset failed to load.
    ///
    /// Eventually this should probably be folded into `GetTypeface`.
    pub fn r#get_typeface_by_id(
        &self,
        mut id: u32,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ProviderGetTypefaceByIdResult, fidl::Error> {
        let _response = self.client.send_query::<
            ProviderGetTypefaceByIdRequest,
            fidl::encoding::ResultType<ProviderGetTypefaceByIdResponse, Error>,
        >(
            (id,),
            0x695e0babbf6c7f2c,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x.response))
    }

    /// Creates a `ListTypefacesIterator` instance that will return a paginated
    /// list of fonts matching `request`.
    ///
    /// Possible errors:
    /// `INTERNAL` if something bad happens.
    pub fn r#list_typefaces(
        &self,
        mut request: &ListTypefacesRequest,
        mut iterator: fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ProviderListTypefacesResult, fidl::Error> {
        let _response = self.client.send_query::<
            ProviderListTypefacesRequest,
            fidl::encoding::ResultType<fidl::encoding::EmptyStruct, Error>,
        >(
            (request, iterator,),
            0x5245158a60e08325,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }

    /// Returns a `TypefaceInfo` for each font in the requested `family`. The
    /// results' `family` fields will hold the canonical family name, even if
    /// this method is called with an alias.
    ///
    /// This method should be called only if the caller knows `family` exists.
    /// Requesting a family that does not exist results in an error. To search
    /// for fonts by family name (or alias), use `ListTypefaces` instead.
    ///
    /// Possible errors:
    /// `NOT_FOUND` if no family name or alias matches the requested `family`.
    pub fn r#get_typefaces_by_family(
        &self,
        mut family: &fidl_fuchsia_fonts::FamilyName,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ProviderGetTypefacesByFamilyResult, fidl::Error> {
        let _response = self.client.send_query::<
            ProviderGetTypefacesByFamilyRequest,
            fidl::encoding::ResultType<ProviderGetTypefacesByFamilyResponse, Error>,
        >(
            (family,),
            0x64450c13bc304356,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x.response))
    }
}

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

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

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

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

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

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

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

    /// Get an exact font by asset ID. This would typically be called
    /// after `ListTypefaces`, e.g. as part of a font selection interface.
    /// As with `fuchsia.fonts.GetTypeface`, it is the caller's responsibility
    /// to properly parse the file.
    ///
    /// Possible errors:
    /// `NOT_FOUND` if no asset with the requested `id` exists.
    /// `INTERNAL` if the requested `id` exists, but the asset failed to load.
    ///
    /// Eventually this should probably be folded into `GetTypeface`.
    pub fn r#get_typeface_by_id(
        &self,
        mut id: u32,
    ) -> fidl::client::QueryResponseFut<
        ProviderGetTypefaceByIdResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ProviderProxyInterface::r#get_typeface_by_id(self, id)
    }

    /// Creates a `ListTypefacesIterator` instance that will return a paginated
    /// list of fonts matching `request`.
    ///
    /// Possible errors:
    /// `INTERNAL` if something bad happens.
    pub fn r#list_typefaces(
        &self,
        mut request: &ListTypefacesRequest,
        mut iterator: fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>,
    ) -> fidl::client::QueryResponseFut<
        ProviderListTypefacesResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ProviderProxyInterface::r#list_typefaces(self, request, iterator)
    }

    /// Returns a `TypefaceInfo` for each font in the requested `family`. The
    /// results' `family` fields will hold the canonical family name, even if
    /// this method is called with an alias.
    ///
    /// This method should be called only if the caller knows `family` exists.
    /// Requesting a family that does not exist results in an error. To search
    /// for fonts by family name (or alias), use `ListTypefaces` instead.
    ///
    /// Possible errors:
    /// `NOT_FOUND` if no family name or alias matches the requested `family`.
    pub fn r#get_typefaces_by_family(
        &self,
        mut family: &fidl_fuchsia_fonts::FamilyName,
    ) -> fidl::client::QueryResponseFut<
        ProviderGetTypefacesByFamilyResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ProviderProxyInterface::r#get_typefaces_by_family(self, family)
    }
}

impl ProviderProxyInterface for ProviderProxy {
    type GetTypefaceByIdResponseFut = fidl::client::QueryResponseFut<
        ProviderGetTypefaceByIdResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_typeface_by_id(&self, mut id: u32) -> Self::GetTypefaceByIdResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ProviderGetTypefaceByIdResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<ProviderGetTypefaceByIdResponse, Error>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x695e0babbf6c7f2c,
            >(_buf?)?;
            Ok(_response.map(|x| x.response))
        }
        self.client
            .send_query_and_decode::<ProviderGetTypefaceByIdRequest, ProviderGetTypefaceByIdResult>(
                (id,),
                0x695e0babbf6c7f2c,
                fidl::encoding::DynamicFlags::empty(),
                _decode,
            )
    }

    type ListTypefacesResponseFut = fidl::client::QueryResponseFut<
        ProviderListTypefacesResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#list_typefaces(
        &self,
        mut request: &ListTypefacesRequest,
        mut iterator: fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>,
    ) -> Self::ListTypefacesResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ProviderListTypefacesResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<fidl::encoding::EmptyStruct, Error>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x5245158a60e08325,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client
            .send_query_and_decode::<ProviderListTypefacesRequest, ProviderListTypefacesResult>(
                (request, iterator),
                0x5245158a60e08325,
                fidl::encoding::DynamicFlags::empty(),
                _decode,
            )
    }

    type GetTypefacesByFamilyResponseFut = fidl::client::QueryResponseFut<
        ProviderGetTypefacesByFamilyResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_typefaces_by_family(
        &self,
        mut family: &fidl_fuchsia_fonts::FamilyName,
    ) -> Self::GetTypefacesByFamilyResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ProviderGetTypefacesByFamilyResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<ProviderGetTypefacesByFamilyResponse, Error>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x64450c13bc304356,
            >(_buf?)?;
            Ok(_response.map(|x| x.response))
        }
        self.client.send_query_and_decode::<
            ProviderGetTypefacesByFamilyRequest,
            ProviderGetTypefacesByFamilyResult,
        >(
            (family,),
            0x64450c13bc304356,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x695e0babbf6c7f2c => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ProviderGetTypefaceByIdRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ProviderGetTypefaceByIdRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ProviderControlHandle { inner: this.inner.clone() };
                        Ok(ProviderRequest::GetTypefaceById {
                            id: req.id,

                            responder: ProviderGetTypefaceByIdResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x5245158a60e08325 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ProviderListTypefacesRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ProviderListTypefacesRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ProviderControlHandle { inner: this.inner.clone() };
                        Ok(ProviderRequest::ListTypefaces {
                            request: req.request,
                            iterator: req.iterator,

                            responder: ProviderListTypefacesResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x64450c13bc304356 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ProviderGetTypefacesByFamilyRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ProviderGetTypefacesByFamilyRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ProviderControlHandle { inner: this.inner.clone() };
                        Ok(ProviderRequest::GetTypefacesByFamily {
                            family: req.family,

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

/// Experimental additions to `Provider`.
#[derive(Debug)]
pub enum ProviderRequest {
    /// Get an exact font by asset ID. This would typically be called
    /// after `ListTypefaces`, e.g. as part of a font selection interface.
    /// As with `fuchsia.fonts.GetTypeface`, it is the caller's responsibility
    /// to properly parse the file.
    ///
    /// Possible errors:
    /// `NOT_FOUND` if no asset with the requested `id` exists.
    /// `INTERNAL` if the requested `id` exists, but the asset failed to load.
    ///
    /// Eventually this should probably be folded into `GetTypeface`.
    GetTypefaceById { id: u32, responder: ProviderGetTypefaceByIdResponder },
    /// Creates a `ListTypefacesIterator` instance that will return a paginated
    /// list of fonts matching `request`.
    ///
    /// Possible errors:
    /// `INTERNAL` if something bad happens.
    ListTypefaces {
        request: ListTypefacesRequest,
        iterator: fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>,
        responder: ProviderListTypefacesResponder,
    },
    /// Returns a `TypefaceInfo` for each font in the requested `family`. The
    /// results' `family` fields will hold the canonical family name, even if
    /// this method is called with an alias.
    ///
    /// This method should be called only if the caller knows `family` exists.
    /// Requesting a family that does not exist results in an error. To search
    /// for fonts by family name (or alias), use `ListTypefaces` instead.
    ///
    /// Possible errors:
    /// `NOT_FOUND` if no family name or alias matches the requested `family`.
    GetTypefacesByFamily {
        family: fidl_fuchsia_fonts::FamilyName,
        responder: ProviderGetTypefacesByFamilyResponder,
    },
}

impl ProviderRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_typeface_by_id(self) -> Option<(u32, ProviderGetTypefaceByIdResponder)> {
        if let ProviderRequest::GetTypefaceById { id, responder } = self {
            Some((id, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_list_typefaces(
        self,
    ) -> Option<(
        ListTypefacesRequest,
        fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>,
        ProviderListTypefacesResponder,
    )> {
        if let ProviderRequest::ListTypefaces { request, iterator, responder } = self {
            Some((request, iterator, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_get_typefaces_by_family(
        self,
    ) -> Option<(fidl_fuchsia_fonts::FamilyName, ProviderGetTypefacesByFamilyResponder)> {
        if let ProviderRequest::GetTypefacesByFamily { family, responder } = self {
            Some((family, responder))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ProviderRequest::GetTypefaceById { .. } => "get_typeface_by_id",
            ProviderRequest::ListTypefaces { .. } => "list_typefaces",
            ProviderRequest::GetTypefacesByFamily { .. } => "get_typefaces_by_family",
        }
    }
}

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

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

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

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

impl ProviderControlHandle {}

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

/// Set the the channel to be shutdown (see [`ProviderControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ProviderGetTypefaceByIdResponder {
    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 ProviderGetTypefaceByIdResponder {
    type ControlHandle = ProviderControlHandle;

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

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

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

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

    fn send_raw(
        &self,
        mut result: Result<fidl_fuchsia_fonts::TypefaceResponse, Error>,
    ) -> Result<(), fidl::Error> {
        self.control_handle
            .inner
            .send::<fidl::encoding::ResultType<ProviderGetTypefaceByIdResponse, Error>>(
                result.as_mut().map_err(|e| *e).map(|response| (response,)),
                self.tx_id,
                0x695e0babbf6c7f2c,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

/// Set the the channel to be shutdown (see [`ProviderControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ProviderListTypefacesResponder {
    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 ProviderListTypefacesResponder {
    type ControlHandle = ProviderControlHandle;

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

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

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

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

    fn send_raw(&self, mut result: Result<(), Error>) -> Result<(), fidl::Error> {
        self.control_handle
            .inner
            .send::<fidl::encoding::ResultType<fidl::encoding::EmptyStruct, Error>>(
                result,
                self.tx_id,
                0x5245158a60e08325,
                fidl::encoding::DynamicFlags::empty(),
            )
    }
}

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

/// Set the the channel to be shutdown (see [`ProviderControlHandle::shutdown`])
/// if the responder is dropped without sending a response, so that the client
/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
impl std::ops::Drop for ProviderGetTypefacesByFamilyResponder {
    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 ProviderGetTypefacesByFamilyResponder {
    type ControlHandle = ProviderControlHandle;

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

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

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

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

    fn send_raw(
        &self,
        mut result: Result<&TypefaceInfoResponse, Error>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            ProviderGetTypefacesByFamilyResponse,
            Error,
        >>(
            result.map(|response| (response,)),
            self.tx_id,
            0x64450c13bc304356,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D>
        for ListTypefacesFlags
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            if self.bits() & Self::all().bits() != self.bits() {
                return Err(fidl::Error::InvalidBitsValue);
            }
            encoder.write_num(self.bits(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ListTypefacesFlags {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::empty()
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);
            *self = Self::from_bits(prim).ok_or(fidl::Error::InvalidBitsValue)?;
            Ok(())
        }
    }
    unsafe impl fidl::encoding::TypeMarker for Error {
        type Owned = Self;

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

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

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

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

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

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

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Error {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::NotFound
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }

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

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

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

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

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

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for ListTypefacesIteratorGetNextResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { response: fidl::new_empty!(TypefaceInfoResponse, D) }
        }

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

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

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

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

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            4
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

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

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<ProviderGetTypefaceByIdRequest, D>
        for &ProviderGetTypefaceByIdRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProviderGetTypefaceByIdRequest>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut ProviderGetTypefaceByIdRequest)
                    .write_unaligned((self as *const ProviderGetTypefaceByIdRequest).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<D: fidl::encoding::ResourceDialect, T0: fidl::encoding::Encode<u32, D>>
        fidl::encoding::Encode<ProviderGetTypefaceByIdRequest, D> for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProviderGetTypefaceByIdRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for ProviderGetTypefaceByIdRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { id: fidl::new_empty!(u32, D) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            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, 4);
            }
            Ok(())
        }
    }

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

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

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

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

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

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for ProviderGetTypefacesByFamilyRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { family: fidl::new_empty!(fidl_fuchsia_fonts::FamilyName, D) }
        }

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

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

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

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

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

    unsafe impl
        fidl::encoding::Encode<
            ProviderListTypefacesRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ProviderListTypefacesRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProviderListTypefacesRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<
                ProviderListTypefacesRequest,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >::encode(
                (
                    <ListTypefacesRequest as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.request,
                    ),
                    <fidl::encoding::Endpoint<
                        fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>,
                    > as fidl::encoding::ResourceTypeMarker>::take_or_borrow(
                        &mut self.iterator
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                ListTypefacesRequest,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            T1: fidl::encoding::Encode<
                fidl::encoding::Endpoint<fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        >
        fidl::encoding::Encode<
            ProviderListTypefacesRequest,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProviderListTypefacesRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(16);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ProviderListTypefacesRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                request: fidl::new_empty!(
                    ListTypefacesRequest,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
                iterator: fidl::new_empty!(
                    fidl::encoding::Endpoint<
                        fidl::endpoints::ServerEnd<ListTypefacesIteratorMarker>,
                    >,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

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

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

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

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

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

    unsafe impl
        fidl::encoding::Encode<
            ProviderGetTypefaceByIdResponse,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for &mut ProviderGetTypefaceByIdResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProviderGetTypefaceByIdResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ProviderGetTypefaceByIdResponse, fidl::encoding::DefaultFuchsiaResourceDialect>::encode(
                (
                    <fidl_fuchsia_fonts::TypefaceResponse as fidl::encoding::ResourceTypeMarker>::take_or_borrow(&mut self.response),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            T0: fidl::encoding::Encode<
                fidl_fuchsia_fonts::TypefaceResponse,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
        >
        fidl::encoding::Encode<
            ProviderGetTypefaceByIdResponse,
            fidl::encoding::DefaultFuchsiaResourceDialect,
        > for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<
                '_,
                fidl::encoding::DefaultFuchsiaResourceDialect,
            >,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ProviderGetTypefaceByIdResponse>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self, fidl::encoding::DefaultFuchsiaResourceDialect>
        for ProviderGetTypefaceByIdResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                response: fidl::new_empty!(
                    fidl_fuchsia_fonts::TypefaceResponse,
                    fidl::encoding::DefaultFuchsiaResourceDialect
                ),
            }
        }

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

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

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

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

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

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

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for ProviderGetTypefacesByFamilyResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { response: fidl::new_empty!(TypefaceInfoResponse, D) }
        }

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

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

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<SlantRange, D>
        for &SlantRange
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SlantRange>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SlantRange, D>::encode(
                (
                    <fidl_fuchsia_fonts::Slant as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.lower,
                    ),
                    <fidl_fuchsia_fonts::Slant as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.upper,
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl_fuchsia_fonts::Slant, D>,
            T1: fidl::encoding::Encode<fidl_fuchsia_fonts::Slant, D>,
        > fidl::encoding::Encode<SlantRange, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SlantRange>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 4, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SlantRange {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                lower: fidl::new_empty!(fidl_fuchsia_fonts::Slant, D),
                upper: fidl::new_empty!(fidl_fuchsia_fonts::Slant, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl_fuchsia_fonts::Slant,
                D,
                &mut self.lower,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl_fuchsia_fonts::Slant,
                D,
                &mut self.upper,
                decoder,
                offset + 4,
                _depth
            )?;
            Ok(())
        }
    }

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

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

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            2
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            4
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<WeightRange, D>
        for &WeightRange
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<WeightRange>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut WeightRange).write_unaligned((self as *const WeightRange).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<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<u16, D>,
            T1: fidl::encoding::Encode<u16, D>,
        > fidl::encoding::Encode<WeightRange, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<WeightRange>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 2, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for WeightRange {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { lower: fidl::new_empty!(u16, D), upper: fidl::new_empty!(u16, D) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            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, 4);
            }
            Ok(())
        }
    }

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

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<WidthRange, D>
        for &WidthRange
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<WidthRange>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<WidthRange, D>::encode(
                (
                    <fidl_fuchsia_fonts::Width as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.lower,
                    ),
                    <fidl_fuchsia_fonts::Width as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.upper,
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl_fuchsia_fonts::Width, D>,
            T1: fidl::encoding::Encode<fidl_fuchsia_fonts::Width, D>,
        > fidl::encoding::Encode<WidthRange, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<WidthRange>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 4, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for WidthRange {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                lower: fidl::new_empty!(fidl_fuchsia_fonts::Width, D),
                upper: fidl::new_empty!(fidl_fuchsia_fonts::Width, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(
                fidl_fuchsia_fonts::Width,
                D,
                &mut self.lower,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl_fuchsia_fonts::Width,
                D,
                &mut self.upper,
                decoder,
                offset + 4,
                _depth
            )?;
            Ok(())
        }
    }

    impl ListTypefacesRequest {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.generic_family {
                return 8;
            }
            if let Some(_) = self.code_points {
                return 7;
            }
            if let Some(_) = self.languages {
                return 6;
            }
            if let Some(_) = self.width {
                return 5;
            }
            if let Some(_) = self.weight {
                return 4;
            }
            if let Some(_) = self.slant {
                return 3;
            }
            if let Some(_) = self.family {
                return 2;
            }
            if let Some(_) = self.flags {
                return 1;
            }
            0
        }
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            _prev_end_offset = cur_offset + envelope_size;
            if 4 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (4 - 1) * envelope_size;

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

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

            _prev_end_offset = cur_offset + envelope_size;
            if 5 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (5 - 1) * envelope_size;

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

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

            _prev_end_offset = cur_offset + envelope_size;
            if 6 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (6 - 1) * envelope_size;

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

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::Vector<fidl_fuchsia_intl::LocaleId, 8>, D>(
            self.languages.as_ref().map(<fidl::encoding::Vector<fidl_fuchsia_intl::LocaleId, 8> as fidl::encoding::ValueTypeMarker>::borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 7 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (7 - 1) * envelope_size;

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

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::UnboundedVector<u32>, D>(
            self.code_points.as_ref().map(<fidl::encoding::UnboundedVector<u32> as fidl::encoding::ValueTypeMarker>::borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 8 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (8 - 1) * envelope_size;

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

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

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

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

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

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

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

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

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

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

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

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

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

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

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 4 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

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

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

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 5 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

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

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

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 6 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::Vector<fidl_fuchsia_intl::LocaleId, 8> as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.languages.get_or_insert_with(
                    || fidl::new_empty!(fidl::encoding::Vector<fidl_fuchsia_intl::LocaleId, 8>, D),
                );
                fidl::decode!(fidl::encoding::Vector<fidl_fuchsia_intl::LocaleId, 8>, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

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

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 7 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::UnboundedVector<u32> as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.code_points.get_or_insert_with(|| {
                    fidl::new_empty!(fidl::encoding::UnboundedVector<u32>, D)
                });
                fidl::decode!(
                    fidl::encoding::UnboundedVector<u32>,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

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

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 8 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

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

            next_offset += envelope_size;

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

            Ok(())
        }
    }

    impl TypefaceInfo {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.generic_family {
                return 6;
            }
            if let Some(_) = self.languages {
                return 5;
            }
            if let Some(_) = self.style {
                return 4;
            }
            if let Some(_) = self.family {
                return 3;
            }
            if let Some(_) = self.font_index {
                return 2;
            }
            if let Some(_) = self.asset_id {
                return 1;
            }
            0
        }
    }

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

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

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

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

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

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

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

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<u32, D>(
                self.asset_id.as_ref().map(<u32 as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

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

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

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

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<u32, D>(
                self.font_index.as_ref().map(<u32 as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

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

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

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

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

            _prev_end_offset = cur_offset + envelope_size;
            if 4 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (4 - 1) * envelope_size;

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

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl_fuchsia_fonts::Style2, D>(
                self.style
                    .as_ref()
                    .map(<fidl_fuchsia_fonts::Style2 as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 5 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (5 - 1) * envelope_size;

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

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

            _prev_end_offset = cur_offset + envelope_size;
            if 6 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (6 - 1) * envelope_size;

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

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

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

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

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

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

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <u32 as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.asset_id.get_or_insert_with(|| fidl::new_empty!(u32, D));
                fidl::decode!(u32, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

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

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

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <u32 as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.font_index.get_or_insert_with(|| fidl::new_empty!(u32, D));
                fidl::decode!(u32, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

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

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

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

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

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 4 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl_fuchsia_fonts::Style2 as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .style
                    .get_or_insert_with(|| fidl::new_empty!(fidl_fuchsia_fonts::Style2, D));
                fidl::decode!(
                    fidl_fuchsia_fonts::Style2,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

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

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 5 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

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

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

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 6 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

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

            next_offset += envelope_size;

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

            Ok(())
        }
    }

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

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

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

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

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

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

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

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

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::Vector<TypefaceInfo, 16>, D>(
            self.results.as_ref().map(<fidl::encoding::Vector<TypefaceInfo, 16> as fidl::encoding::ValueTypeMarker>::borrow),
            encoder, offset + cur_offset, depth
        )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

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

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

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

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size = <fidl::encoding::Vector<TypefaceInfo, 16> as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.results.get_or_insert_with(
                    || fidl::new_empty!(fidl::encoding::Vector<TypefaceInfo, 16>, D),
                );
                fidl::decode!(fidl::encoding::Vector<TypefaceInfo, 16>, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

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

            Ok(())
        }
    }
}