fidl_fuchsia_netemul__common/

fidl_fuchsia_netemul__common.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::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum ConfigurationError {
    InvalidArguments = 1,
    RejectedByNetstack = 2,
    Internal = 4294967295,
}

impl ConfigurationError {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            1 => Some(Self::InvalidArguments),
            2 => Some(Self::RejectedByNetstack),
            4294967295 => Some(Self::Internal),
            _ => None,
        }
    }

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

#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u8)]
pub enum StorageVariant {
    /// The `data` storage capability variant.
    Data = 0,
    /// The `cache` storage capability variant.
    Cache = 1,
    /// The `tmp` storage capability variant.
    Tmp = 2,
    /// The `custom_artifacts` storage capability variant.
    ///
    /// NB: due to the fact that per-component isolated storage is
    /// destroyed along with the component, the `custom_artifacts`
    /// storage capability is actually proxied as a *directory*
    /// capability to components created in a `ManagedRealm`, in order
    /// to ensure that artifacts are not destroyed when the realm is
    /// torn down and can be extracted by the test framework. This
    /// implies that a component that would like to use
    /// `custom_artifacts` must use it as a directory rather than a
    /// storage capability.
    ///
    /// The netemul sandbox routes a separate subdirectory of its
    /// `custom_artifacts` storage to each component that requests it to
    /// ensure per-component isolation.
    CustomArtifacts = 3,
}

impl StorageVariant {
    #[inline]
    pub fn from_primitive(prim: u8) -> Option<Self> {
        match prim {
            0 => Some(Self::Data),
            1 => Some(Self::Cache),
            2 => Some(Self::Tmp),
            3 => Some(Self::CustomArtifacts),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u8 {
        self as u8
    }
}

#[derive(Clone, Debug, PartialEq)]
pub struct ChildConfigValue {
    /// The configuration key to override.
    pub key: String,
    /// The configuration value to use instead of the one loaded
    /// from the package.
    pub value: fidl_fuchsia_component_decl__common::ConfigValue,
}

impl fidl::Persistable for ChildConfigValue {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct CrashListenerNextResponse {
    pub crashed_monikers: Vec<String>,
}

impl fidl::Persistable for CrashListenerNextResponse {}

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

impl fidl::Persistable for Empty {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ManagedRealmGetMonikerResponse {
    pub moniker: String,
}

impl fidl::Persistable for ManagedRealmGetMonikerResponse {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ManagedRealmRemoveDeviceRequest {
    pub path: String,
}

impl fidl::Persistable for ManagedRealmRemoveDeviceRequest {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ManagedRealmStartChildComponentRequest {
    pub child_name: String,
}

impl fidl::Persistable for ManagedRealmStartChildComponentRequest {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ManagedRealmStopChildComponentRequest {
    pub child_name: String,
}

impl fidl::Persistable for ManagedRealmStopChildComponentRequest {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct ChildDep {
    /// The name of the child exposing the needed
    /// capability.
    ///
    /// If not specified, route assumed to be from "void".
    pub name: Option<String>,
    /// The exposed capability.
    ///
    /// Required.
    pub capability: Option<ExposedCapability>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for ChildDep {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct DevfsDep {
    /// The name of the capability being offered.
    ///
    /// Required.
    pub name: Option<String>,
    /// The subdirectory of `/dev` visible to the
    /// component.
    ///
    /// If not set, the entire contents of `/dev` will
    /// be visible to the component.
    pub subdir: Option<String>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for DevfsDep {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct StorageDep {
    /// The variant of the storage capability.
    ///
    /// Required.
    pub variant: Option<StorageVariant>,
    /// The path at which the storage capability will be
    /// offered.
    ///
    /// Required.
    pub path: Option<String>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for StorageDep {}

#[derive(Clone, Debug, PartialEq)]
pub enum Capability {
    /// The `devfs` instance offered by netemul, where
    /// virtual devices are mounted.
    NetemulDevfs(DevfsDep),
    /// The network context offered by netemul, shared
    /// between all the managed realms in a given sandbox.
    NetemulNetworkContext(Empty),
    /// The [`fuchsia.logger/LogSink`] offered by netemul.
    ///
    /// Decorates logs produced by components in the managed
    /// realm and forwards them to syslog.
    LogSink(Empty),
    /// A dependency on a capability exposed by another
    /// child component in the same test realm.
    ChildDep(ChildDep),
    /// A dependency on a storage capability offered by
    /// netemul.
    StorageDep(StorageDep),
    /// A dependency on the capability to register a tracing
    /// provider.
    TracingProvider(Empty),
}

impl Capability {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::NetemulDevfs(_) => 1,
            Self::NetemulNetworkContext(_) => 3,
            Self::LogSink(_) => 4,
            Self::ChildDep(_) => 5,
            Self::StorageDep(_) => 6,
            Self::TracingProvider(_) => 7,
        }
    }
}

impl fidl::Persistable for Capability {}

#[derive(Clone, Debug, PartialEq)]
pub enum ChildUses {
    /// The child will be offered each of the specified
    /// capabilities.
    ///
    /// `capabilities` must be unique.
    Capabilities(Vec<Capability>),
}

impl ChildUses {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Capabilities(_) => 1,
        }
    }
}

impl fidl::Persistable for ChildUses {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum ExposedCapability {
    /// The name of the exposed protocol.
    Protocol(String),
    /// The name of the exposed capability.
    Configuration(String),
    /// The name of the exposed service.
    Service(String),
}

impl ExposedCapability {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Protocol(_) => 1,
            Self::Configuration(_) => 2,
            Self::Service(_) => 3,
        }
    }
}

impl fidl::Persistable for ExposedCapability {}

mod internal {
    use super::*;
    unsafe impl fidl::encoding::TypeMarker for ConfigurationError {
        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 ConfigurationError {
        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 ConfigurationError
    {
        #[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 ConfigurationError {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::InvalidArguments
        }

        #[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(())
        }
    }
    unsafe impl fidl::encoding::TypeMarker for StorageVariant {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u8>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u8>()
        }

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

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

    impl fidl::encoding::ValueTypeMarker for StorageVariant {
        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 StorageVariant {
        #[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 StorageVariant {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Data
        }

        #[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::<u8>(offset);

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

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

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

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

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

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<ChildConfigValue, D>
        for &ChildConfigValue
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ChildConfigValue>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ChildConfigValue, D>::encode(
                (
                    <fidl::encoding::BoundedString<64> as fidl::encoding::ValueTypeMarker>::borrow(&self.key),
                    <fidl_fuchsia_component_decl__common::ConfigValue as fidl::encoding::ValueTypeMarker>::borrow(&self.value),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl::encoding::BoundedString<64>, D>,
            T1: fidl::encoding::Encode<fidl_fuchsia_component_decl__common::ConfigValue, D>,
        > fidl::encoding::Encode<ChildConfigValue, 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::<ChildConfigValue>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ChildConfigValue {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                key: fidl::new_empty!(fidl::encoding::BoundedString<64>, D),
                value: fidl::new_empty!(fidl_fuchsia_component_decl__common::ConfigValue, 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::encoding::BoundedString<64>,
                D,
                &mut self.key,
                decoder,
                offset + 0,
                _depth
            )?;
            fidl::decode!(
                fidl_fuchsia_component_decl__common::ConfigValue,
                D,
                &mut self.value,
                decoder,
                offset + 16,
                _depth
            )?;
            Ok(())
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for CrashListenerNextResponse {
        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<CrashListenerNextResponse, D> for &CrashListenerNextResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<CrashListenerNextResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<CrashListenerNextResponse, D>::encode(
                (
                    <fidl::encoding::UnboundedVector<fidl::encoding::BoundedString<4096>> as fidl::encoding::ValueTypeMarker>::borrow(&self.crashed_monikers),
                ),
                encoder, offset, _depth
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<
                fidl::encoding::UnboundedVector<fidl::encoding::BoundedString<4096>>,
                D,
            >,
        > fidl::encoding::Encode<CrashListenerNextResponse, 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::<CrashListenerNextResponse>(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 CrashListenerNextResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                crashed_monikers: fidl::new_empty!(
                    fidl::encoding::UnboundedVector<fidl::encoding::BoundedString<4096>>,
                    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::encoding::UnboundedVector<fidl::encoding::BoundedString<4096>>,
                D,
                &mut self.crashed_monikers,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

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

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

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            1
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            1
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Empty, D> for &Empty {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Empty>(offset);
            encoder.write_num(0u8, offset);
            Ok(())
        }
    }

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

        #[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);
            match decoder.read_num::<u8>(offset) {
                0 => Ok(()),
                _ => Err(fidl::Error::Invalid),
            }
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for ManagedRealmGetMonikerResponse {
        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<ManagedRealmGetMonikerResponse, D>
        for &ManagedRealmGetMonikerResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagedRealmGetMonikerResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ManagedRealmGetMonikerResponse, D>::encode(
                (<fidl::encoding::BoundedString<4096> as fidl::encoding::ValueTypeMarker>::borrow(
                    &self.moniker,
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl::encoding::BoundedString<4096>, D>,
        > fidl::encoding::Encode<ManagedRealmGetMonikerResponse, 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::<ManagedRealmGetMonikerResponse>(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 ManagedRealmGetMonikerResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { moniker: fidl::new_empty!(fidl::encoding::BoundedString<4096>, 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::encoding::BoundedString<4096>,
                D,
                &mut self.moniker,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for ManagedRealmRemoveDeviceRequest {
        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<ManagedRealmRemoveDeviceRequest, D>
        for &ManagedRealmRemoveDeviceRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagedRealmRemoveDeviceRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ManagedRealmRemoveDeviceRequest, D>::encode(
                (<fidl::encoding::UnboundedString as fidl::encoding::ValueTypeMarker>::borrow(
                    &self.path,
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl::encoding::UnboundedString, D>,
        > fidl::encoding::Encode<ManagedRealmRemoveDeviceRequest, 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::<ManagedRealmRemoveDeviceRequest>(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 ManagedRealmRemoveDeviceRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { path: fidl::new_empty!(fidl::encoding::UnboundedString, 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::encoding::UnboundedString,
                D,
                &mut self.path,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for ManagedRealmStartChildComponentRequest {
        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<ManagedRealmStartChildComponentRequest, D>
        for &ManagedRealmStartChildComponentRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagedRealmStartChildComponentRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ManagedRealmStartChildComponentRequest, D>::encode(
                (<fidl::encoding::BoundedString<255> as fidl::encoding::ValueTypeMarker>::borrow(
                    &self.child_name,
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl::encoding::BoundedString<255>, D>,
        > fidl::encoding::Encode<ManagedRealmStartChildComponentRequest, 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::<ManagedRealmStartChildComponentRequest>(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 ManagedRealmStartChildComponentRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { child_name: fidl::new_empty!(fidl::encoding::BoundedString<255>, 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::encoding::BoundedString<255>,
                D,
                &mut self.child_name,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for ManagedRealmStopChildComponentRequest {
        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<ManagedRealmStopChildComponentRequest, D>
        for &ManagedRealmStopChildComponentRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ManagedRealmStopChildComponentRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ManagedRealmStopChildComponentRequest, D>::encode(
                (<fidl::encoding::BoundedString<255> as fidl::encoding::ValueTypeMarker>::borrow(
                    &self.child_name,
                ),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<fidl::encoding::BoundedString<255>, D>,
        > fidl::encoding::Encode<ManagedRealmStopChildComponentRequest, 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::<ManagedRealmStopChildComponentRequest>(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 ManagedRealmStopChildComponentRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { child_name: fidl::new_empty!(fidl::encoding::BoundedString<255>, 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::encoding::BoundedString<255>,
                D,
                &mut self.child_name,
                decoder,
                offset + 0,
                _depth
            )?;
            Ok(())
        }
    }

    impl ChildDep {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.capability {
                return 2;
            }
            if let Some(_) = self.name {
                return 1;
            }
            0
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for ChildDep {
        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<ChildDep, D> for &ChildDep {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ChildDep>(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::BoundedString<255>, D>(
                self.name.as_ref().map(
                    <fidl::encoding::BoundedString<255> 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::<ExposedCapability, D>(
                self.capability
                    .as_ref()
                    .map(<ExposedCapability 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 ChildDep {
        #[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::BoundedString<255> 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
                    .name
                    .get_or_insert_with(|| fidl::new_empty!(fidl::encoding::BoundedString<255>, D));
                fidl::decode!(
                    fidl::encoding::BoundedString<255>,
                    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 =
                    <ExposedCapability 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.capability.get_or_insert_with(|| fidl::new_empty!(ExposedCapability, D));
                fidl::decode!(ExposedCapability, 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 DevfsDep {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.subdir {
                return 2;
            }
            if let Some(_) = self.name {
                return 1;
            }
            0
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for DevfsDep {
        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<DevfsDep, D> for &DevfsDep {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<DevfsDep>(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::BoundedString<255>, D>(
                self.name.as_ref().map(
                    <fidl::encoding::BoundedString<255> 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::encoding::BoundedString<4095>, D>(
            self.subdir.as_ref().map(<fidl::encoding::BoundedString<4095> 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 DevfsDep {
        #[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::BoundedString<255> 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
                    .name
                    .get_or_insert_with(|| fidl::new_empty!(fidl::encoding::BoundedString<255>, D));
                fidl::decode!(
                    fidl::encoding::BoundedString<255>,
                    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::encoding::BoundedString<4095> 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.subdir.get_or_insert_with(|| {
                    fidl::new_empty!(fidl::encoding::BoundedString<4095>, D)
                });
                fidl::decode!(
                    fidl::encoding::BoundedString<4095>,
                    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 StorageDep {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.path {
                return 2;
            }
            if let Some(_) = self.variant {
                return 1;
            }
            0
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for StorageDep {
        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<StorageDep, D>
        for &StorageDep
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<StorageDep>(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::<StorageVariant, D>(
                self.variant
                    .as_ref()
                    .map(<StorageVariant 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::encoding::BoundedString<4095>, D>(
            self.path.as_ref().map(<fidl::encoding::BoundedString<4095> 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 StorageDep {
        #[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 =
                    <StorageVariant 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.variant.get_or_insert_with(|| fidl::new_empty!(StorageVariant, D));
                fidl::decode!(StorageVariant, 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::encoding::BoundedString<4095> 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.path.get_or_insert_with(|| {
                    fidl::new_empty!(fidl::encoding::BoundedString<4095>, D)
                });
                fidl::decode!(
                    fidl::encoding::BoundedString<4095>,
                    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 fidl::encoding::ValueTypeMarker for Capability {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for Capability {
        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<Capability, D>
        for &Capability
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Capability>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                Capability::NetemulDevfs(ref val) => {
                    fidl::encoding::encode_in_envelope::<DevfsDep, D>(
                        <DevfsDep as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                Capability::NetemulNetworkContext(ref val) => {
                    fidl::encoding::encode_in_envelope::<Empty, D>(
                        <Empty as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                Capability::LogSink(ref val) => fidl::encoding::encode_in_envelope::<Empty, D>(
                    <Empty as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                Capability::ChildDep(ref val) => fidl::encoding::encode_in_envelope::<ChildDep, D>(
                    <ChildDep as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                Capability::StorageDep(ref val) => {
                    fidl::encoding::encode_in_envelope::<StorageDep, D>(
                        <StorageDep as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                Capability::TracingProvider(ref val) => {
                    fidl::encoding::encode_in_envelope::<Empty, D>(
                        <Empty as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
            }
        }
    }

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

        #[inline]
        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);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <DevfsDep as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                3 => <Empty as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                4 => <Empty as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                5 => <ChildDep as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                6 => <StorageDep as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                7 => <Empty as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                _ => return Err(fidl::Error::UnknownUnionTag),
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::NetemulDevfs(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Capability::NetemulDevfs(fidl::new_empty!(DevfsDep, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::NetemulDevfs(ref mut val) = self {
                        fidl::decode!(DevfsDep, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                3 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::NetemulNetworkContext(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Capability::NetemulNetworkContext(fidl::new_empty!(Empty, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::NetemulNetworkContext(ref mut val) = self {
                        fidl::decode!(Empty, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                4 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::LogSink(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Capability::LogSink(fidl::new_empty!(Empty, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::LogSink(ref mut val) = self {
                        fidl::decode!(Empty, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                5 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::ChildDep(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Capability::ChildDep(fidl::new_empty!(ChildDep, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::ChildDep(ref mut val) = self {
                        fidl::decode!(ChildDep, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                6 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::StorageDep(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Capability::StorageDep(fidl::new_empty!(StorageDep, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::StorageDep(ref mut val) = self {
                        fidl::decode!(StorageDep, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                7 => {
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::TracingProvider(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = Capability::TracingProvider(fidl::new_empty!(Empty, D));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let Capability::TracingProvider(ref mut val) = self {
                        fidl::decode!(Empty, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                ordinal => panic!("unexpected ordinal {:?}", ordinal),
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for ChildUses {
        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<ChildUses, D>
        for &ChildUses
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ChildUses>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
            ChildUses::Capabilities(ref val) => {
                fidl::encoding::encode_in_envelope::<fidl::encoding::UnboundedVector<Capability>, D>(
                    <fidl::encoding::UnboundedVector<Capability> as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder, offset + 8, _depth
                )
            }
        }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ChildUses {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Capabilities(fidl::new_empty!(fidl::encoding::UnboundedVector<Capability>, D))
        }

        #[inline]
        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);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
            1 => <fidl::encoding::UnboundedVector<Capability> as fidl::encoding::TypeMarker>::inline_size(decoder.context),
            _ => return Err(fidl::Error::UnknownUnionTag),
        };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ChildUses::Capabilities(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ChildUses::Capabilities(fidl::new_empty!(
                            fidl::encoding::UnboundedVector<Capability>,
                            D
                        ));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ChildUses::Capabilities(ref mut val) = self {
                        fidl::decode!(
                            fidl::encoding::UnboundedVector<Capability>,
                            D,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                ordinal => panic!("unexpected ordinal {:?}", ordinal),
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for ExposedCapability {
        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<ExposedCapability, D>
        for &ExposedCapability
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ExposedCapability>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                ExposedCapability::Protocol(ref val) => fidl::encoding::encode_in_envelope::<
                    fidl::encoding::BoundedString<255>,
                    D,
                >(
                    <fidl::encoding::BoundedString<255> as fidl::encoding::ValueTypeMarker>::borrow(
                        val,
                    ),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                ExposedCapability::Configuration(ref val) => fidl::encoding::encode_in_envelope::<
                    fidl::encoding::BoundedString<255>,
                    D,
                >(
                    <fidl::encoding::BoundedString<255> as fidl::encoding::ValueTypeMarker>::borrow(
                        val,
                    ),
                    encoder,
                    offset + 8,
                    _depth,
                ),
                ExposedCapability::Service(ref val) => fidl::encoding::encode_in_envelope::<
                    fidl::encoding::BoundedString<255>,
                    D,
                >(
                    <fidl::encoding::BoundedString<255> as fidl::encoding::ValueTypeMarker>::borrow(
                        val,
                    ),
                    encoder,
                    offset + 8,
                    _depth,
                ),
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ExposedCapability {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Protocol(fidl::new_empty!(fidl::encoding::BoundedString<255>, D))
        }

        #[inline]
        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);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => {
                    <fidl::encoding::BoundedString<255> as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    )
                }
                2 => {
                    <fidl::encoding::BoundedString<255> as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    )
                }
                3 => {
                    <fidl::encoding::BoundedString<255> as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    )
                }
                _ => return Err(fidl::Error::UnknownUnionTag),
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ExposedCapability::Protocol(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ExposedCapability::Protocol(fidl::new_empty!(
                            fidl::encoding::BoundedString<255>,
                            D
                        ));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ExposedCapability::Protocol(ref mut val) = self {
                        fidl::decode!(
                            fidl::encoding::BoundedString<255>,
                            D,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ExposedCapability::Configuration(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ExposedCapability::Configuration(fidl::new_empty!(
                            fidl::encoding::BoundedString<255>,
                            D
                        ));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ExposedCapability::Configuration(ref mut val) = self {
                        fidl::decode!(
                            fidl::encoding::BoundedString<255>,
                            D,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                3 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ExposedCapability::Service(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ExposedCapability::Service(fidl::new_empty!(
                            fidl::encoding::BoundedString<255>,
                            D
                        ));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ExposedCapability::Service(ref mut val) = self {
                        fidl::decode!(
                            fidl::encoding::BoundedString<255>,
                            D,
                            val,
                            decoder,
                            _inner_offset,
                            depth
                        )?;
                    } else {
                        unreachable!()
                    }
                }
                ordinal => panic!("unexpected ordinal {:?}", ordinal),
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }
}