tools/fidl/fidlgen_llcpp/goldens/protocol_layouts_natural_types.h.golden

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

#pragma once

#include <fidl/test.protocollayouts/cpp/common_types.h>
#include <fidl/test.protocollayouts/cpp/markers.h>
#include <lib/fidl/cpp/natural_coding_traits.h>
#include <lib/fidl/cpp/natural_types.h>

#include <cinttypes>
#include <string>

#ifdef __Fuchsia__

#include <lib/zx/channel.h>

#endif  // __Fuchsia__

#include <fidl/test.protocollayouts.imported/cpp/natural_types.h>

namespace test_protocollayouts {
class MainProtocolTwoWayImportWithErrorTopResponse;

class MainProtocolTwoWayAnonWithErrorTopResponse;

class MainProtocolOnImportWithErrorRequest;

class MainProtocolOnAnonWithErrorRequest;

class MainProtocolTwoWayLocalWithErrorTopResponse;

class MainProtocolOnLocalWithErrorRequest;

class MainProtocolOnAnonWithErrorResponse;

class MainProtocolTwoWayAnonWithErrorRequest;

class MainProtocolTwoWayAnonResponse;

class MainProtocolOneWayAnonRequest;

class LocalTablePayload;

class MainProtocolTwoWayImportWithErrorResult;

class MainProtocolTwoWayAnonWithErrorResponse;

class MainProtocolTwoWayAnonWithErrorResult;

class MainProtocolOnImportWithErrorResult;

class MainProtocolOnAnonWithErrorResult;

class MainProtocolTwoWayAnonRequest;

class MainProtocolOnAnonRequest;

class LocalUnionPayload;

class MainProtocolTwoWayLocalWithErrorResult;

class MainProtocolOnLocalWithErrorResult;

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_TwoWayImportWithError_ResultTable;

class MainProtocolTwoWayImportWithErrorResult {
 private:
  using Storage_ =
      std::variant<std::monostate,
                   ::test_protocollayouts_imported::ImportUnionPayload,
                   uint32_t>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kResponse = 1,  // 0x1
    kErr = 2,       // 0x2
  };

  MainProtocolTwoWayImportWithErrorResult(
      MainProtocolTwoWayImportWithErrorResult&& other) noexcept
      : MainProtocolTwoWayImportWithErrorResult(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  MainProtocolTwoWayImportWithErrorResult& operator=(
      MainProtocolTwoWayImportWithErrorResult&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  MainProtocolTwoWayImportWithErrorResult(
      const MainProtocolTwoWayImportWithErrorResult& other) noexcept
      : MainProtocolTwoWayImportWithErrorResult(other.CloneStorage_()) {}
  MainProtocolTwoWayImportWithErrorResult& operator=(
      const MainProtocolTwoWayImportWithErrorResult& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(
      const MainProtocolTwoWayImportWithErrorResult& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(
      const MainProtocolTwoWayImportWithErrorResult& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult::Tag
  Which() const {
    return MainProtocolTwoWayImportWithErrorResult::IndexToTag(
               storage_->index())
        .value();
  }
  static MainProtocolTwoWayImportWithErrorResult WithResponse(
      ::test_protocollayouts_imported::ImportUnionPayload val) {
    return MainProtocolTwoWayImportWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> response() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> response() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  static MainProtocolTwoWayImportWithErrorResult WithErr(uint32_t val) {
    return MainProtocolTwoWayImportWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<2>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<2, Storage_> err() const {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<2, Storage_> err() {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }

  MainProtocolTwoWayImportWithErrorResult(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit MainProtocolTwoWayImportWithErrorResult(
      std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult::Tag
          tag) {
    switch (tag) {
      case ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult::
          Tag::kResponse:
        return 1;
      case ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult::
          Tag::kErr:
        return 2;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<
      ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult::
            Tag::kResponse;
      case 2:
        return ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult::
            Tag::kErr;
      default:
        return std::nullopt;
    }
  }
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayImportWithErrorTopResponseTable;

class MainProtocolTwoWayImportWithErrorTopResponse {
 private:
  struct Storage_;

 public:
  MainProtocolTwoWayImportWithErrorTopResponse(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolTwoWayImportWithErrorTopResponse(
      ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult
          result) noexcept
      : storage_({.result = std::move(result)}) {}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdefaulted-function-deleted"
  // Default constructs a |MainProtocolTwoWayImportWithErrorTopResponse| only if
  // all of its members are default constructible.
  MainProtocolTwoWayImportWithErrorTopResponse() = default;
#pragma clang diagnostic pop

  MainProtocolTwoWayImportWithErrorTopResponse(
      MainProtocolTwoWayImportWithErrorTopResponse&&) noexcept = default;
  MainProtocolTwoWayImportWithErrorTopResponse& operator=(
      MainProtocolTwoWayImportWithErrorTopResponse&&) noexcept = default;
  MainProtocolTwoWayImportWithErrorTopResponse(
      const MainProtocolTwoWayImportWithErrorTopResponse& other) noexcept
      : MainProtocolTwoWayImportWithErrorTopResponse(other.CloneStorage_()) {}
  MainProtocolTwoWayImportWithErrorTopResponse& operator=(
      const MainProtocolTwoWayImportWithErrorTopResponse& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }

  bool operator==(const MainProtocolTwoWayImportWithErrorTopResponse& other)
      const noexcept {
    return ::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayImportWithErrorTopResponse,
        16>::Equal(this, &other);
  }
  bool operator!=(const MainProtocolTwoWayImportWithErrorTopResponse& other)
      const noexcept {
    return !::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayImportWithErrorTopResponse,
        16>::Equal(this, &other);
  }

  const ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult&
  result() const {
    return storage_.result;
  }

  ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult& result() {
    return storage_.result;
  }

  MainProtocolTwoWayImportWithErrorTopResponse(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolTwoWayImportWithErrorTopResponse(Storage_{
            .result =
                ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{},
        }) {}

 private:
  struct Storage_ final {
    ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult result;
  };

  Storage_ storage_;
  Storage_ CloneStorage_() const;

  friend struct ::fidl::internal::NaturalStructCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayImportWithErrorTopResponse, 16>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolTwoWayImportWithErrorTopResponse>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalStructMember<
          Storage_,
          ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult,
          fidl::internal::NaturalCodingConstraintEmpty>{&Storage_::result, 0});
  static constexpr auto kPadding = std::make_tuple();
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_TwoWayAnonWithError_ResponseTable;

class MainProtocolTwoWayAnonWithErrorResponse {
 private:
  using Storage_ = std::variant<std::monostate, bool>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kB = 1,  // 0x1
    kUnknown = ::std::numeric_limits<::fidl_union_tag_t>::max(),
  };
  // Create an unknown value of this union.
  MainProtocolTwoWayAnonWithErrorResponse()
      : storage_(std::make_shared<Storage_>()) {}

  MainProtocolTwoWayAnonWithErrorResponse(
      MainProtocolTwoWayAnonWithErrorResponse&& other) noexcept
      : MainProtocolTwoWayAnonWithErrorResponse(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  MainProtocolTwoWayAnonWithErrorResponse& operator=(
      MainProtocolTwoWayAnonWithErrorResponse&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  MainProtocolTwoWayAnonWithErrorResponse(
      const MainProtocolTwoWayAnonWithErrorResponse& other) noexcept
      : MainProtocolTwoWayAnonWithErrorResponse(other.CloneStorage_()) {}
  MainProtocolTwoWayAnonWithErrorResponse& operator=(
      const MainProtocolTwoWayAnonWithErrorResponse& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(
      const MainProtocolTwoWayAnonWithErrorResponse& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(
      const MainProtocolTwoWayAnonWithErrorResponse& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse::Tag
  Which() const {
    return MainProtocolTwoWayAnonWithErrorResponse::IndexToTag(
               storage_->index())
        .value();
  }
  static MainProtocolTwoWayAnonWithErrorResponse WithB(bool val) {
    return MainProtocolTwoWayAnonWithErrorResponse(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> b() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> b() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }

  MainProtocolTwoWayAnonWithErrorResponse(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit MainProtocolTwoWayAnonWithErrorResponse(
      std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse::Tag
          tag) {
    switch (tag) {
      case ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse::
          Tag::kB:
        return 1;
      case ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse::
          Tag::kUnknown:
        return 0;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse::
            Tag::kB;
      default:
        return ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse::
            Tag::kUnknown;
    }
  }
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_TwoWayAnonWithError_ResultTable;

class MainProtocolTwoWayAnonWithErrorResult {
 private:
  using Storage_ = std::variant<
      std::monostate,
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse,
      uint32_t>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kResponse = 1,  // 0x1
    kErr = 2,       // 0x2
  };

  MainProtocolTwoWayAnonWithErrorResult(
      MainProtocolTwoWayAnonWithErrorResult&& other) noexcept
      : MainProtocolTwoWayAnonWithErrorResult(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  MainProtocolTwoWayAnonWithErrorResult& operator=(
      MainProtocolTwoWayAnonWithErrorResult&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  MainProtocolTwoWayAnonWithErrorResult(
      const MainProtocolTwoWayAnonWithErrorResult& other) noexcept
      : MainProtocolTwoWayAnonWithErrorResult(other.CloneStorage_()) {}
  MainProtocolTwoWayAnonWithErrorResult& operator=(
      const MainProtocolTwoWayAnonWithErrorResult& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(
      const MainProtocolTwoWayAnonWithErrorResult& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(
      const MainProtocolTwoWayAnonWithErrorResult& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult::Tag
  Which() const {
    return MainProtocolTwoWayAnonWithErrorResult::IndexToTag(storage_->index())
        .value();
  }
  static MainProtocolTwoWayAnonWithErrorResult WithResponse(
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse val) {
    return MainProtocolTwoWayAnonWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> response() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> response() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  static MainProtocolTwoWayAnonWithErrorResult WithErr(uint32_t val) {
    return MainProtocolTwoWayAnonWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<2>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<2, Storage_> err() const {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<2, Storage_> err() {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }

  MainProtocolTwoWayAnonWithErrorResult(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit MainProtocolTwoWayAnonWithErrorResult(
      std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult::Tag tag) {
    switch (tag) {
      case ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult::Tag::
          kResponse:
        return 1;
      case ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult::Tag::
          kErr:
        return 2;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult::
            Tag::kResponse;
      case 2:
        return ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult::
            Tag::kErr;
      default:
        return std::nullopt;
    }
  }
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayAnonWithErrorTopResponseTable;

class MainProtocolTwoWayAnonWithErrorTopResponse {
 private:
  struct Storage_;

 public:
  MainProtocolTwoWayAnonWithErrorTopResponse(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolTwoWayAnonWithErrorTopResponse(
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult
          result) noexcept
      : storage_({.result = std::move(result)}) {}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdefaulted-function-deleted"
  // Default constructs a |MainProtocolTwoWayAnonWithErrorTopResponse| only if
  // all of its members are default constructible.
  MainProtocolTwoWayAnonWithErrorTopResponse() = default;
#pragma clang diagnostic pop

  MainProtocolTwoWayAnonWithErrorTopResponse(
      MainProtocolTwoWayAnonWithErrorTopResponse&&) noexcept = default;
  MainProtocolTwoWayAnonWithErrorTopResponse& operator=(
      MainProtocolTwoWayAnonWithErrorTopResponse&&) noexcept = default;
  MainProtocolTwoWayAnonWithErrorTopResponse(
      const MainProtocolTwoWayAnonWithErrorTopResponse& other) noexcept
      : MainProtocolTwoWayAnonWithErrorTopResponse(other.CloneStorage_()) {}
  MainProtocolTwoWayAnonWithErrorTopResponse& operator=(
      const MainProtocolTwoWayAnonWithErrorTopResponse& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }

  bool operator==(
      const MainProtocolTwoWayAnonWithErrorTopResponse& other) const noexcept {
    return ::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorTopResponse,
        16>::Equal(this, &other);
  }
  bool operator!=(
      const MainProtocolTwoWayAnonWithErrorTopResponse& other) const noexcept {
    return !::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorTopResponse,
        16>::Equal(this, &other);
  }

  const ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult& result()
      const {
    return storage_.result;
  }

  ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult& result() {
    return storage_.result;
  }

  MainProtocolTwoWayAnonWithErrorTopResponse(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolTwoWayAnonWithErrorTopResponse(Storage_{
            .result =
                ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{},
        }) {}

 private:
  struct Storage_ final {
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult result;
  };

  Storage_ storage_;
  Storage_ CloneStorage_() const;

  friend struct ::fidl::internal::NaturalStructCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorTopResponse, 16>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorTopResponse>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalStructMember<
          Storage_,
          ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult,
          fidl::internal::NaturalCodingConstraintEmpty>{&Storage_::result, 0});
  static constexpr auto kPadding = std::make_tuple();
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_OnImportWithError_ResultTable;

class MainProtocolOnImportWithErrorResult {
 private:
  using Storage_ =
      std::variant<std::monostate,
                   ::test_protocollayouts_imported::ImportTablePayload,
                   uint32_t>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kResponse = 1,  // 0x1
    kErr = 2,       // 0x2
  };

  MainProtocolOnImportWithErrorResult(
      MainProtocolOnImportWithErrorResult&& other) noexcept
      : MainProtocolOnImportWithErrorResult(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  MainProtocolOnImportWithErrorResult& operator=(
      MainProtocolOnImportWithErrorResult&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  MainProtocolOnImportWithErrorResult(
      const MainProtocolOnImportWithErrorResult& other) noexcept
      : MainProtocolOnImportWithErrorResult(other.CloneStorage_()) {}
  MainProtocolOnImportWithErrorResult& operator=(
      const MainProtocolOnImportWithErrorResult& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(
      const MainProtocolOnImportWithErrorResult& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(
      const MainProtocolOnImportWithErrorResult& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::MainProtocolOnImportWithErrorResult::Tag
  Which() const {
    return MainProtocolOnImportWithErrorResult::IndexToTag(storage_->index())
        .value();
  }
  static MainProtocolOnImportWithErrorResult WithResponse(
      ::test_protocollayouts_imported::ImportTablePayload val) {
    return MainProtocolOnImportWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> response() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> response() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  static MainProtocolOnImportWithErrorResult WithErr(uint32_t val) {
    return MainProtocolOnImportWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<2>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<2, Storage_> err() const {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<2, Storage_> err() {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }

  MainProtocolOnImportWithErrorResult(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::MainProtocolOnImportWithErrorResult>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit MainProtocolOnImportWithErrorResult(
      std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::MainProtocolOnImportWithErrorResult::Tag tag) {
    switch (tag) {
      case ::test_protocollayouts::MainProtocolOnImportWithErrorResult::Tag::
          kResponse:
        return 1;
      case ::test_protocollayouts::MainProtocolOnImportWithErrorResult::Tag::
          kErr:
        return 2;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<
      ::test_protocollayouts::MainProtocolOnImportWithErrorResult::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::MainProtocolOnImportWithErrorResult::
            Tag::kResponse;
      case 2:
        return ::test_protocollayouts::MainProtocolOnImportWithErrorResult::
            Tag::kErr;
      default:
        return std::nullopt;
    }
  }
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOnImportWithErrorRequestTable;

class MainProtocolOnImportWithErrorRequest {
 private:
  struct Storage_;

 public:
  MainProtocolOnImportWithErrorRequest(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolOnImportWithErrorRequest(
      ::test_protocollayouts::MainProtocolOnImportWithErrorResult
          result) noexcept
      : storage_({.result = std::move(result)}) {}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdefaulted-function-deleted"
  // Default constructs a |MainProtocolOnImportWithErrorRequest| only if all of
  // its members are default constructible.
  MainProtocolOnImportWithErrorRequest() = default;
#pragma clang diagnostic pop

  MainProtocolOnImportWithErrorRequest(
      MainProtocolOnImportWithErrorRequest&&) noexcept = default;
  MainProtocolOnImportWithErrorRequest& operator=(
      MainProtocolOnImportWithErrorRequest&&) noexcept = default;
  MainProtocolOnImportWithErrorRequest(
      const MainProtocolOnImportWithErrorRequest& other) noexcept
      : MainProtocolOnImportWithErrorRequest(other.CloneStorage_()) {}
  MainProtocolOnImportWithErrorRequest& operator=(
      const MainProtocolOnImportWithErrorRequest& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }

  bool operator==(
      const MainProtocolOnImportWithErrorRequest& other) const noexcept {
    return ::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolOnImportWithErrorRequest,
        16>::Equal(this, &other);
  }
  bool operator!=(
      const MainProtocolOnImportWithErrorRequest& other) const noexcept {
    return !::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolOnImportWithErrorRequest,
        16>::Equal(this, &other);
  }

  const ::test_protocollayouts::MainProtocolOnImportWithErrorResult& result()
      const {
    return storage_.result;
  }

  ::test_protocollayouts::MainProtocolOnImportWithErrorResult& result() {
    return storage_.result;
  }

  MainProtocolOnImportWithErrorRequest(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolOnImportWithErrorRequest(Storage_{
            .result =
                ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{},
        }) {}

 private:
  struct Storage_ final {
    ::test_protocollayouts::MainProtocolOnImportWithErrorResult result;
  };

  Storage_ storage_;
  Storage_ CloneStorage_() const;

  friend struct ::fidl::internal::NaturalStructCodingTraits<
      ::test_protocollayouts::MainProtocolOnImportWithErrorRequest, 16>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolOnImportWithErrorRequest>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalStructMember<
          Storage_, ::test_protocollayouts::MainProtocolOnImportWithErrorResult,
          fidl::internal::NaturalCodingConstraintEmpty>{&Storage_::result, 0});
  static constexpr auto kPadding = std::make_tuple();
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_OnAnonWithError_ResponseTable;

class MainProtocolOnAnonWithErrorResponse {
 private:
  struct Storage_;

 public:
  MainProtocolOnAnonWithErrorResponse(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolOnAnonWithErrorResponse() noexcept = default;
  MainProtocolOnAnonWithErrorResponse(
      MainProtocolOnAnonWithErrorResponse&&) noexcept = default;
  MainProtocolOnAnonWithErrorResponse& operator=(
      MainProtocolOnAnonWithErrorResponse&&) noexcept = default;
  MainProtocolOnAnonWithErrorResponse(
      const MainProtocolOnAnonWithErrorResponse& other) noexcept
      : MainProtocolOnAnonWithErrorResponse(other.CloneStorage_()) {}
  MainProtocolOnAnonWithErrorResponse& operator=(
      const MainProtocolOnAnonWithErrorResponse& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }
  bool operator==(
      const MainProtocolOnAnonWithErrorResponse& other) const noexcept {
    return ::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::MainProtocolOnAnonWithErrorResponse>::
        Equal(this, &other);
  }
  bool operator!=(
      const MainProtocolOnAnonWithErrorResponse& other) const noexcept {
    return !::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::MainProtocolOnAnonWithErrorResponse>::
        Equal(this, &other);
  }

  bool IsEmpty() const { return !(storage_.a.has_value()); }

  const std::optional<uint16_t>& a() const { return storage_.a; }
  ::std::optional<uint16_t>& a() { return storage_.a; }

  MainProtocolOnAnonWithErrorResponse(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolOnAnonWithErrorResponse(Storage_{}) {}

 private:
  struct Storage_ final {
    ::std::optional<uint16_t> a{};
  };

  // TODO(https://fxbug.dev/91252): Box the storage.
  Storage_ storage_;
  Storage_ CloneStorage_() const;
  friend struct ::fidl::internal::NaturalTableCodingTraits<
      ::test_protocollayouts::MainProtocolOnAnonWithErrorResponse>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolOnAnonWithErrorResponse>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalTableMember<
          Storage_, uint16_t, fidl::internal::NaturalCodingConstraintEmpty>{
          1, &Storage_::a});
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_OnAnonWithError_ResultTable;

class MainProtocolOnAnonWithErrorResult {
 private:
  using Storage_ =
      std::variant<std::monostate,
                   ::test_protocollayouts::MainProtocolOnAnonWithErrorResponse,
                   uint32_t>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kResponse = 1,  // 0x1
    kErr = 2,       // 0x2
  };

  MainProtocolOnAnonWithErrorResult(
      MainProtocolOnAnonWithErrorResult&& other) noexcept
      : MainProtocolOnAnonWithErrorResult(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  MainProtocolOnAnonWithErrorResult& operator=(
      MainProtocolOnAnonWithErrorResult&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  MainProtocolOnAnonWithErrorResult(
      const MainProtocolOnAnonWithErrorResult& other) noexcept
      : MainProtocolOnAnonWithErrorResult(other.CloneStorage_()) {}
  MainProtocolOnAnonWithErrorResult& operator=(
      const MainProtocolOnAnonWithErrorResult& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(
      const MainProtocolOnAnonWithErrorResult& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(
      const MainProtocolOnAnonWithErrorResult& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::MainProtocolOnAnonWithErrorResult::Tag
  Which() const {
    return MainProtocolOnAnonWithErrorResult::IndexToTag(storage_->index())
        .value();
  }
  static MainProtocolOnAnonWithErrorResult WithResponse(
      ::test_protocollayouts::MainProtocolOnAnonWithErrorResponse val) {
    return MainProtocolOnAnonWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> response() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> response() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  static MainProtocolOnAnonWithErrorResult WithErr(uint32_t val) {
    return MainProtocolOnAnonWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<2>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<2, Storage_> err() const {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<2, Storage_> err() {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }

  MainProtocolOnAnonWithErrorResult(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::MainProtocolOnAnonWithErrorResult>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit MainProtocolOnAnonWithErrorResult(std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::MainProtocolOnAnonWithErrorResult::Tag tag) {
    switch (tag) {
      case ::test_protocollayouts::MainProtocolOnAnonWithErrorResult::Tag::
          kResponse:
        return 1;
      case ::test_protocollayouts::MainProtocolOnAnonWithErrorResult::Tag::kErr:
        return 2;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<
      ::test_protocollayouts::MainProtocolOnAnonWithErrorResult::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::MainProtocolOnAnonWithErrorResult::Tag::
            kResponse;
      case 2:
        return ::test_protocollayouts::MainProtocolOnAnonWithErrorResult::Tag::
            kErr;
      default:
        return std::nullopt;
    }
  }
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOnAnonWithErrorRequestTable;

class MainProtocolOnAnonWithErrorRequest {
 private:
  struct Storage_;

 public:
  MainProtocolOnAnonWithErrorRequest(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolOnAnonWithErrorRequest(
      ::test_protocollayouts::MainProtocolOnAnonWithErrorResult result) noexcept
      : storage_({.result = std::move(result)}) {}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdefaulted-function-deleted"
  // Default constructs a |MainProtocolOnAnonWithErrorRequest| only if all of
  // its members are default constructible.
  MainProtocolOnAnonWithErrorRequest() = default;
#pragma clang diagnostic pop

  MainProtocolOnAnonWithErrorRequest(
      MainProtocolOnAnonWithErrorRequest&&) noexcept = default;
  MainProtocolOnAnonWithErrorRequest& operator=(
      MainProtocolOnAnonWithErrorRequest&&) noexcept = default;
  MainProtocolOnAnonWithErrorRequest(
      const MainProtocolOnAnonWithErrorRequest& other) noexcept
      : MainProtocolOnAnonWithErrorRequest(other.CloneStorage_()) {}
  MainProtocolOnAnonWithErrorRequest& operator=(
      const MainProtocolOnAnonWithErrorRequest& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }

  bool operator==(
      const MainProtocolOnAnonWithErrorRequest& other) const noexcept {
    return ::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolOnAnonWithErrorRequest,
        16>::Equal(this, &other);
  }
  bool operator!=(
      const MainProtocolOnAnonWithErrorRequest& other) const noexcept {
    return !::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolOnAnonWithErrorRequest,
        16>::Equal(this, &other);
  }

  const ::test_protocollayouts::MainProtocolOnAnonWithErrorResult& result()
      const {
    return storage_.result;
  }

  ::test_protocollayouts::MainProtocolOnAnonWithErrorResult& result() {
    return storage_.result;
  }

  MainProtocolOnAnonWithErrorRequest(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolOnAnonWithErrorRequest(Storage_{
            .result =
                ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{},
        }) {}

 private:
  struct Storage_ final {
    ::test_protocollayouts::MainProtocolOnAnonWithErrorResult result;
  };

  Storage_ storage_;
  Storage_ CloneStorage_() const;

  friend struct ::fidl::internal::NaturalStructCodingTraits<
      ::test_protocollayouts::MainProtocolOnAnonWithErrorRequest, 16>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolOnAnonWithErrorRequest>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalStructMember<
          Storage_, ::test_protocollayouts::MainProtocolOnAnonWithErrorResult,
          fidl::internal::NaturalCodingConstraintEmpty>{&Storage_::result, 0});
  static constexpr auto kPadding = std::make_tuple();
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayAnonWithErrorRequestTable;

class MainProtocolTwoWayAnonWithErrorRequest {
 private:
  struct Storage_;

 public:
  MainProtocolTwoWayAnonWithErrorRequest(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolTwoWayAnonWithErrorRequest() noexcept = default;
  MainProtocolTwoWayAnonWithErrorRequest(
      MainProtocolTwoWayAnonWithErrorRequest&&) noexcept = default;
  MainProtocolTwoWayAnonWithErrorRequest& operator=(
      MainProtocolTwoWayAnonWithErrorRequest&&) noexcept = default;
  MainProtocolTwoWayAnonWithErrorRequest(
      const MainProtocolTwoWayAnonWithErrorRequest& other) noexcept
      : MainProtocolTwoWayAnonWithErrorRequest(other.CloneStorage_()) {}
  MainProtocolTwoWayAnonWithErrorRequest& operator=(
      const MainProtocolTwoWayAnonWithErrorRequest& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }
  bool operator==(
      const MainProtocolTwoWayAnonWithErrorRequest& other) const noexcept {
    return ::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorRequest>::
        Equal(this, &other);
  }
  bool operator!=(
      const MainProtocolTwoWayAnonWithErrorRequest& other) const noexcept {
    return !::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorRequest>::
        Equal(this, &other);
  }

  bool IsEmpty() const { return !(storage_.a.has_value()); }

  const std::optional<uint16_t>& a() const { return storage_.a; }
  ::std::optional<uint16_t>& a() { return storage_.a; }

  MainProtocolTwoWayAnonWithErrorRequest(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolTwoWayAnonWithErrorRequest(Storage_{}) {}

 private:
  struct Storage_ final {
    ::std::optional<uint16_t> a{};
  };

  // TODO(https://fxbug.dev/91252): Box the storage.
  Storage_ storage_;
  Storage_ CloneStorage_() const;
  friend struct ::fidl::internal::NaturalTableCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorRequest>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorRequest>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalTableMember<
          Storage_, uint16_t, fidl::internal::NaturalCodingConstraintEmpty>{
          1, &Storage_::a});
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayAnonResponseTable;

class MainProtocolTwoWayAnonResponse {
 private:
  struct Storage_;

 public:
  MainProtocolTwoWayAnonResponse(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolTwoWayAnonResponse() noexcept = default;
  MainProtocolTwoWayAnonResponse(MainProtocolTwoWayAnonResponse&&) noexcept =
      default;
  MainProtocolTwoWayAnonResponse& operator=(
      MainProtocolTwoWayAnonResponse&&) noexcept = default;
  MainProtocolTwoWayAnonResponse(
      const MainProtocolTwoWayAnonResponse& other) noexcept
      : MainProtocolTwoWayAnonResponse(other.CloneStorage_()) {}
  MainProtocolTwoWayAnonResponse& operator=(
      const MainProtocolTwoWayAnonResponse& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }
  bool operator==(const MainProtocolTwoWayAnonResponse& other) const noexcept {
    return ::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayAnonResponse>::Equal(this,
                                                                       &other);
  }
  bool operator!=(const MainProtocolTwoWayAnonResponse& other) const noexcept {
    return !::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayAnonResponse>::Equal(this,
                                                                       &other);
  }

  bool IsEmpty() const { return !(storage_.a.has_value()); }

  const std::optional<uint16_t>& a() const { return storage_.a; }
  ::std::optional<uint16_t>& a() { return storage_.a; }

  MainProtocolTwoWayAnonResponse(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolTwoWayAnonResponse(Storage_{}) {}

 private:
  struct Storage_ final {
    ::std::optional<uint16_t> a{};
  };

  // TODO(https://fxbug.dev/91252): Box the storage.
  Storage_ storage_;
  Storage_ CloneStorage_() const;
  friend struct ::fidl::internal::NaturalTableCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayAnonResponse>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolTwoWayAnonResponse>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalTableMember<
          Storage_, uint16_t, fidl::internal::NaturalCodingConstraintEmpty>{
          1, &Storage_::a});
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayAnonRequestTable;

class MainProtocolTwoWayAnonRequest {
 private:
  using Storage_ = std::variant<std::monostate, bool>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kB = 1,  // 0x1
    kUnknown = ::std::numeric_limits<::fidl_union_tag_t>::max(),
  };
  // Create an unknown value of this union.
  MainProtocolTwoWayAnonRequest() : storage_(std::make_shared<Storage_>()) {}

  MainProtocolTwoWayAnonRequest(MainProtocolTwoWayAnonRequest&& other) noexcept
      : MainProtocolTwoWayAnonRequest(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  MainProtocolTwoWayAnonRequest& operator=(
      MainProtocolTwoWayAnonRequest&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  MainProtocolTwoWayAnonRequest(
      const MainProtocolTwoWayAnonRequest& other) noexcept
      : MainProtocolTwoWayAnonRequest(other.CloneStorage_()) {}
  MainProtocolTwoWayAnonRequest& operator=(
      const MainProtocolTwoWayAnonRequest& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(const MainProtocolTwoWayAnonRequest& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(const MainProtocolTwoWayAnonRequest& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::MainProtocolTwoWayAnonRequest::Tag Which()
      const {
    return MainProtocolTwoWayAnonRequest::IndexToTag(storage_->index()).value();
  }
  static MainProtocolTwoWayAnonRequest WithB(bool val) {
    return MainProtocolTwoWayAnonRequest(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> b() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> b() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }

  MainProtocolTwoWayAnonRequest(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayAnonRequest>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit MainProtocolTwoWayAnonRequest(std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::MainProtocolTwoWayAnonRequest::Tag tag) {
    switch (tag) {
      case ::test_protocollayouts::MainProtocolTwoWayAnonRequest::Tag::kB:
        return 1;
      case ::test_protocollayouts::MainProtocolTwoWayAnonRequest::Tag::kUnknown:
        return 0;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<
      ::test_protocollayouts::MainProtocolTwoWayAnonRequest::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::MainProtocolTwoWayAnonRequest::Tag::kB;
      default:
        return ::test_protocollayouts::MainProtocolTwoWayAnonRequest::Tag::
            kUnknown;
    }
  }
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOneWayAnonRequestTable;

class MainProtocolOneWayAnonRequest {
 private:
  struct Storage_;

 public:
  MainProtocolOneWayAnonRequest(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolOneWayAnonRequest() noexcept = default;
  MainProtocolOneWayAnonRequest(MainProtocolOneWayAnonRequest&&) noexcept =
      default;
  MainProtocolOneWayAnonRequest& operator=(
      MainProtocolOneWayAnonRequest&&) noexcept = default;
  MainProtocolOneWayAnonRequest(
      const MainProtocolOneWayAnonRequest& other) noexcept
      : MainProtocolOneWayAnonRequest(other.CloneStorage_()) {}
  MainProtocolOneWayAnonRequest& operator=(
      const MainProtocolOneWayAnonRequest& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }
  bool operator==(const MainProtocolOneWayAnonRequest& other) const noexcept {
    return ::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::MainProtocolOneWayAnonRequest>::Equal(this,
                                                                      &other);
  }
  bool operator!=(const MainProtocolOneWayAnonRequest& other) const noexcept {
    return !::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::MainProtocolOneWayAnonRequest>::Equal(this,
                                                                      &other);
  }

  bool IsEmpty() const { return !(storage_.a.has_value()); }

  const std::optional<uint16_t>& a() const { return storage_.a; }
  ::std::optional<uint16_t>& a() { return storage_.a; }

  MainProtocolOneWayAnonRequest(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolOneWayAnonRequest(Storage_{}) {}

 private:
  struct Storage_ final {
    ::std::optional<uint16_t> a{};
  };

  // TODO(https://fxbug.dev/91252): Box the storage.
  Storage_ storage_;
  Storage_ CloneStorage_() const;
  friend struct ::fidl::internal::NaturalTableCodingTraits<
      ::test_protocollayouts::MainProtocolOneWayAnonRequest>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolOneWayAnonRequest>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalTableMember<
          Storage_, uint16_t, fidl::internal::NaturalCodingConstraintEmpty>{
          1, &Storage_::a});
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOnAnonRequestTable;

class MainProtocolOnAnonRequest {
 private:
  using Storage_ = std::variant<std::monostate, bool>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kB = 1,  // 0x1
    kUnknown = ::std::numeric_limits<::fidl_union_tag_t>::max(),
  };
  // Create an unknown value of this union.
  MainProtocolOnAnonRequest() : storage_(std::make_shared<Storage_>()) {}

  MainProtocolOnAnonRequest(MainProtocolOnAnonRequest&& other) noexcept
      : MainProtocolOnAnonRequest(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  MainProtocolOnAnonRequest& operator=(
      MainProtocolOnAnonRequest&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  MainProtocolOnAnonRequest(const MainProtocolOnAnonRequest& other) noexcept
      : MainProtocolOnAnonRequest(other.CloneStorage_()) {}
  MainProtocolOnAnonRequest& operator=(
      const MainProtocolOnAnonRequest& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(const MainProtocolOnAnonRequest& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(const MainProtocolOnAnonRequest& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::MainProtocolOnAnonRequest::Tag Which()
      const {
    return MainProtocolOnAnonRequest::IndexToTag(storage_->index()).value();
  }
  static MainProtocolOnAnonRequest WithB(bool val) {
    return MainProtocolOnAnonRequest(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> b() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> b() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }

  MainProtocolOnAnonRequest(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::MainProtocolOnAnonRequest>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit MainProtocolOnAnonRequest(std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::MainProtocolOnAnonRequest::Tag tag) {
    switch (tag) {
      case ::test_protocollayouts::MainProtocolOnAnonRequest::Tag::kB:
        return 1;
      case ::test_protocollayouts::MainProtocolOnAnonRequest::Tag::kUnknown:
        return 0;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<
      ::test_protocollayouts::MainProtocolOnAnonRequest::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::MainProtocolOnAnonRequest::Tag::kB;
      default:
        return ::test_protocollayouts::MainProtocolOnAnonRequest::Tag::kUnknown;
    }
  }
};

extern "C" const fidl_type_t test_protocollayouts_LocalUnionPayloadTable;

class LocalUnionPayload {
 private:
  using Storage_ = std::variant<std::monostate, bool>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kB = 1,  // 0x1
    kUnknown = ::std::numeric_limits<::fidl_union_tag_t>::max(),
  };
  // Create an unknown value of this union.
  LocalUnionPayload() : storage_(std::make_shared<Storage_>()) {}

  LocalUnionPayload(LocalUnionPayload&& other) noexcept
      : LocalUnionPayload(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  LocalUnionPayload& operator=(LocalUnionPayload&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  LocalUnionPayload(const LocalUnionPayload& other) noexcept
      : LocalUnionPayload(other.CloneStorage_()) {}
  LocalUnionPayload& operator=(const LocalUnionPayload& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(const LocalUnionPayload& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(const LocalUnionPayload& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::LocalUnionPayload::Tag Which() const {
    return LocalUnionPayload::IndexToTag(storage_->index()).value();
  }
  static LocalUnionPayload WithB(bool val) {
    return LocalUnionPayload(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> b() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> b() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }

  LocalUnionPayload(::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::LocalUnionPayload>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit LocalUnionPayload(std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::LocalUnionPayload::Tag tag) {
    switch (tag) {
      case ::test_protocollayouts::LocalUnionPayload::Tag::kB:
        return 1;
      case ::test_protocollayouts::LocalUnionPayload::Tag::kUnknown:
        return 0;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<::test_protocollayouts::LocalUnionPayload::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::LocalUnionPayload::Tag::kB;
      default:
        return ::test_protocollayouts::LocalUnionPayload::Tag::kUnknown;
    }
  }
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_TwoWayLocalWithError_ResultTable;

class MainProtocolTwoWayLocalWithErrorResult {
 private:
  using Storage_ =
      std::variant<std::monostate, ::test_protocollayouts::LocalUnionPayload,
                   uint32_t>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kResponse = 1,  // 0x1
    kErr = 2,       // 0x2
  };

  MainProtocolTwoWayLocalWithErrorResult(
      MainProtocolTwoWayLocalWithErrorResult&& other) noexcept
      : MainProtocolTwoWayLocalWithErrorResult(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  MainProtocolTwoWayLocalWithErrorResult& operator=(
      MainProtocolTwoWayLocalWithErrorResult&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  MainProtocolTwoWayLocalWithErrorResult(
      const MainProtocolTwoWayLocalWithErrorResult& other) noexcept
      : MainProtocolTwoWayLocalWithErrorResult(other.CloneStorage_()) {}
  MainProtocolTwoWayLocalWithErrorResult& operator=(
      const MainProtocolTwoWayLocalWithErrorResult& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(
      const MainProtocolTwoWayLocalWithErrorResult& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(
      const MainProtocolTwoWayLocalWithErrorResult& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult::Tag
  Which() const {
    return MainProtocolTwoWayLocalWithErrorResult::IndexToTag(storage_->index())
        .value();
  }
  static MainProtocolTwoWayLocalWithErrorResult WithResponse(
      ::test_protocollayouts::LocalUnionPayload val) {
    return MainProtocolTwoWayLocalWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> response() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> response() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  static MainProtocolTwoWayLocalWithErrorResult WithErr(uint32_t val) {
    return MainProtocolTwoWayLocalWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<2>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<2, Storage_> err() const {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<2, Storage_> err() {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }

  MainProtocolTwoWayLocalWithErrorResult(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit MainProtocolTwoWayLocalWithErrorResult(
      std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult::Tag tag) {
    switch (tag) {
      case ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult::Tag::
          kResponse:
        return 1;
      case ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult::Tag::
          kErr:
        return 2;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<
      ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult::
            Tag::kResponse;
      case 2:
        return ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult::
            Tag::kErr;
      default:
        return std::nullopt;
    }
  }
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayLocalWithErrorTopResponseTable;

class MainProtocolTwoWayLocalWithErrorTopResponse {
 private:
  struct Storage_;

 public:
  MainProtocolTwoWayLocalWithErrorTopResponse(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolTwoWayLocalWithErrorTopResponse(
      ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult
          result) noexcept
      : storage_({.result = std::move(result)}) {}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdefaulted-function-deleted"
  // Default constructs a |MainProtocolTwoWayLocalWithErrorTopResponse| only if
  // all of its members are default constructible.
  MainProtocolTwoWayLocalWithErrorTopResponse() = default;
#pragma clang diagnostic pop

  MainProtocolTwoWayLocalWithErrorTopResponse(
      MainProtocolTwoWayLocalWithErrorTopResponse&&) noexcept = default;
  MainProtocolTwoWayLocalWithErrorTopResponse& operator=(
      MainProtocolTwoWayLocalWithErrorTopResponse&&) noexcept = default;
  MainProtocolTwoWayLocalWithErrorTopResponse(
      const MainProtocolTwoWayLocalWithErrorTopResponse& other) noexcept
      : MainProtocolTwoWayLocalWithErrorTopResponse(other.CloneStorage_()) {}
  MainProtocolTwoWayLocalWithErrorTopResponse& operator=(
      const MainProtocolTwoWayLocalWithErrorTopResponse& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }

  bool operator==(
      const MainProtocolTwoWayLocalWithErrorTopResponse& other) const noexcept {
    return ::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorTopResponse,
        16>::Equal(this, &other);
  }
  bool operator!=(
      const MainProtocolTwoWayLocalWithErrorTopResponse& other) const noexcept {
    return !::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorTopResponse,
        16>::Equal(this, &other);
  }

  const ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult& result()
      const {
    return storage_.result;
  }

  ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult& result() {
    return storage_.result;
  }

  MainProtocolTwoWayLocalWithErrorTopResponse(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolTwoWayLocalWithErrorTopResponse(Storage_{
            .result =
                ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{},
        }) {}

 private:
  struct Storage_ final {
    ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult result;
  };

  Storage_ storage_;
  Storage_ CloneStorage_() const;

  friend struct ::fidl::internal::NaturalStructCodingTraits<
      ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorTopResponse, 16>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorTopResponse>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalStructMember<
          Storage_,
          ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult,
          fidl::internal::NaturalCodingConstraintEmpty>{&Storage_::result, 0});
  static constexpr auto kPadding = std::make_tuple();
};

extern "C" const fidl_type_t test_protocollayouts_LocalTablePayloadTable;

class LocalTablePayload {
 private:
  struct Storage_;

 public:
  LocalTablePayload(Storage_ storage) noexcept : storage_(std::move(storage)) {}
  LocalTablePayload() noexcept = default;
  LocalTablePayload(LocalTablePayload&&) noexcept = default;
  LocalTablePayload& operator=(LocalTablePayload&&) noexcept = default;
  LocalTablePayload(const LocalTablePayload& other) noexcept
      : LocalTablePayload(other.CloneStorage_()) {}
  LocalTablePayload& operator=(const LocalTablePayload& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }
  bool operator==(const LocalTablePayload& other) const noexcept {
    return ::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::LocalTablePayload>::Equal(this, &other);
  }
  bool operator!=(const LocalTablePayload& other) const noexcept {
    return !::fidl::internal::NaturalTableCodingTraits<
        ::test_protocollayouts::LocalTablePayload>::Equal(this, &other);
  }

  bool IsEmpty() const { return !(storage_.a.has_value()); }

  const std::optional<uint16_t>& a() const { return storage_.a; }
  ::std::optional<uint16_t>& a() { return storage_.a; }

  LocalTablePayload(::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : LocalTablePayload(Storage_{}) {}

 private:
  struct Storage_ final {
    ::std::optional<uint16_t> a{};
  };

  // TODO(https://fxbug.dev/91252): Box the storage.
  Storage_ storage_;
  Storage_ CloneStorage_() const;
  friend struct ::fidl::internal::NaturalTableCodingTraits<
      ::test_protocollayouts::LocalTablePayload>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::LocalTablePayload>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalTableMember<
          Storage_, uint16_t, fidl::internal::NaturalCodingConstraintEmpty>{
          1, &Storage_::a});
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_OnLocalWithError_ResultTable;

class MainProtocolOnLocalWithErrorResult {
 private:
  using Storage_ =
      std::variant<std::monostate, ::test_protocollayouts::LocalTablePayload,
                   uint32_t>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kResponse = 1,  // 0x1
    kErr = 2,       // 0x2
  };

  MainProtocolOnLocalWithErrorResult(
      MainProtocolOnLocalWithErrorResult&& other) noexcept
      : MainProtocolOnLocalWithErrorResult(
            ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  MainProtocolOnLocalWithErrorResult& operator=(
      MainProtocolOnLocalWithErrorResult&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  MainProtocolOnLocalWithErrorResult(
      const MainProtocolOnLocalWithErrorResult& other) noexcept
      : MainProtocolOnLocalWithErrorResult(other.CloneStorage_()) {}
  MainProtocolOnLocalWithErrorResult& operator=(
      const MainProtocolOnLocalWithErrorResult& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(
      const MainProtocolOnLocalWithErrorResult& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(
      const MainProtocolOnLocalWithErrorResult& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_protocollayouts::MainProtocolOnLocalWithErrorResult::Tag
  Which() const {
    return MainProtocolOnLocalWithErrorResult::IndexToTag(storage_->index())
        .value();
  }
  static MainProtocolOnLocalWithErrorResult WithResponse(
      ::test_protocollayouts::LocalTablePayload val) {
    return MainProtocolOnLocalWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> response() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> response() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  static MainProtocolOnLocalWithErrorResult WithErr(uint32_t val) {
    return MainProtocolOnLocalWithErrorResult(
        std::make_shared<Storage_>(std::in_place_index_t<2>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<2, Storage_> err() const {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<2, Storage_> err() {
    return ::fidl::internal::UnionMemberView<2, Storage_>(storage_);
  }

  MainProtocolOnLocalWithErrorResult(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_protocollayouts::MainProtocolOnLocalWithErrorResult>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit MainProtocolOnLocalWithErrorResult(std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(
      ::fidl::internal::NaturalDecoder* decoder,
      ::test_protocollayouts::MainProtocolOnLocalWithErrorResult::Tag tag) {
    switch (tag) {
      case ::test_protocollayouts::MainProtocolOnLocalWithErrorResult::Tag::
          kResponse:
        return 1;
      case ::test_protocollayouts::MainProtocolOnLocalWithErrorResult::Tag::
          kErr:
        return 2;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<
      ::test_protocollayouts::MainProtocolOnLocalWithErrorResult::Tag>
  IndexToTag(size_t index) {
    switch (index) {
      case 1:
        return ::test_protocollayouts::MainProtocolOnLocalWithErrorResult::Tag::
            kResponse;
      case 2:
        return ::test_protocollayouts::MainProtocolOnLocalWithErrorResult::Tag::
            kErr;
      default:
        return std::nullopt;
    }
  }
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOnLocalWithErrorRequestTable;

class MainProtocolOnLocalWithErrorRequest {
 private:
  struct Storage_;

 public:
  MainProtocolOnLocalWithErrorRequest(Storage_ storage) noexcept
      : storage_(std::move(storage)) {}
  MainProtocolOnLocalWithErrorRequest(
      ::test_protocollayouts::MainProtocolOnLocalWithErrorResult
          result) noexcept
      : storage_({.result = std::move(result)}) {}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdefaulted-function-deleted"
  // Default constructs a |MainProtocolOnLocalWithErrorRequest| only if all of
  // its members are default constructible.
  MainProtocolOnLocalWithErrorRequest() = default;
#pragma clang diagnostic pop

  MainProtocolOnLocalWithErrorRequest(
      MainProtocolOnLocalWithErrorRequest&&) noexcept = default;
  MainProtocolOnLocalWithErrorRequest& operator=(
      MainProtocolOnLocalWithErrorRequest&&) noexcept = default;
  MainProtocolOnLocalWithErrorRequest(
      const MainProtocolOnLocalWithErrorRequest& other) noexcept
      : MainProtocolOnLocalWithErrorRequest(other.CloneStorage_()) {}
  MainProtocolOnLocalWithErrorRequest& operator=(
      const MainProtocolOnLocalWithErrorRequest& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }

  bool operator==(
      const MainProtocolOnLocalWithErrorRequest& other) const noexcept {
    return ::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolOnLocalWithErrorRequest,
        16>::Equal(this, &other);
  }
  bool operator!=(
      const MainProtocolOnLocalWithErrorRequest& other) const noexcept {
    return !::fidl::internal::NaturalStructCodingTraits<
        ::test_protocollayouts::MainProtocolOnLocalWithErrorRequest,
        16>::Equal(this, &other);
  }

  const ::test_protocollayouts::MainProtocolOnLocalWithErrorResult& result()
      const {
    return storage_.result;
  }

  ::test_protocollayouts::MainProtocolOnLocalWithErrorResult& result() {
    return storage_.result;
  }

  MainProtocolOnLocalWithErrorRequest(
      ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : MainProtocolOnLocalWithErrorRequest(Storage_{
            .result =
                ::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{},
        }) {}

 private:
  struct Storage_ final {
    ::test_protocollayouts::MainProtocolOnLocalWithErrorResult result;
  };

  Storage_ storage_;
  Storage_ CloneStorage_() const;

  friend struct ::fidl::internal::NaturalStructCodingTraits<
      ::test_protocollayouts::MainProtocolOnLocalWithErrorRequest, 16>;
  friend struct ::fidl::internal::MemberVisitor<
      ::test_protocollayouts::MainProtocolOnLocalWithErrorRequest>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalStructMember<
          Storage_, ::test_protocollayouts::MainProtocolOnLocalWithErrorResult,
          fidl::internal::NaturalCodingConstraintEmpty>{&Storage_::result, 0});
  static constexpr auto kPadding = std::make_tuple();
};

}  // namespace test_protocollayouts
namespace fidl {

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayImportWithErrorTopResponseTable;

template <>
struct IsFidlType<
    ::test_protocollayouts::MainProtocolTwoWayImportWithErrorTopResponse>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayImportWithErrorTopResponse>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolTwoWayImportWithErrorTopResponseTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayImportWithErrorTopResponse,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final
    : public ::fidl::internal::NaturalStructCodingTraits<
          ::test_protocollayouts::MainProtocolTwoWayImportWithErrorTopResponse,
          16> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayAnonWithErrorTopResponseTable;

template <>
struct IsFidlType<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorTopResponse>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorTopResponse>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolTwoWayAnonWithErrorTopResponseTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorTopResponse,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final
    : public ::fidl::internal::NaturalStructCodingTraits<
          ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorTopResponse,
          16> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOnImportWithErrorRequestTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolOnImportWithErrorRequest>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolOnImportWithErrorRequest>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolOnImportWithErrorRequestTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolOnImportWithErrorRequest,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final
    : public ::fidl::internal::NaturalStructCodingTraits<
          ::test_protocollayouts::MainProtocolOnImportWithErrorRequest, 16> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOnAnonWithErrorRequestTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolOnAnonWithErrorRequest>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolOnAnonWithErrorRequest>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolOnAnonWithErrorRequestTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolOnAnonWithErrorRequest,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final
    : public ::fidl::internal::NaturalStructCodingTraits<
          ::test_protocollayouts::MainProtocolOnAnonWithErrorRequest, 16> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayLocalWithErrorTopResponseTable;

template <>
struct IsFidlType<
    ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorTopResponse>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorTopResponse>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolTwoWayLocalWithErrorTopResponseTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorTopResponse,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final
    : public ::fidl::internal::NaturalStructCodingTraits<
          ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorTopResponse,
          16> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOnLocalWithErrorRequestTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolOnLocalWithErrorRequest>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolOnLocalWithErrorRequest>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolOnLocalWithErrorRequestTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolOnLocalWithErrorRequest,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final
    : public ::fidl::internal::NaturalStructCodingTraits<
          ::test_protocollayouts::MainProtocolOnLocalWithErrorRequest, 16> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_OnAnonWithError_ResponseTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolOnAnonWithErrorResponse>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolOnAnonWithErrorResponse>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocol_OnAnonWithError_ResponseTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolOnAnonWithErrorResponse,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    : public ::fidl::internal::NaturalTableCodingTraits<
          ::test_protocollayouts::MainProtocolOnAnonWithErrorResponse> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayAnonWithErrorRequestTable;

template <>
struct IsFidlType<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorRequest>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorRequest>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolTwoWayAnonWithErrorRequestTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorRequest,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    : public ::fidl::internal::NaturalTableCodingTraits<
          ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorRequest> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayAnonResponseTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolTwoWayAnonResponse>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonResponse>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolTwoWayAnonResponseTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonResponse,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    : public ::fidl::internal::NaturalTableCodingTraits<
          ::test_protocollayouts::MainProtocolTwoWayAnonResponse> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOneWayAnonRequestTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolOneWayAnonRequest>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolOneWayAnonRequest>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolOneWayAnonRequestTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolOneWayAnonRequest,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    : public ::fidl::internal::NaturalTableCodingTraits<
          ::test_protocollayouts::MainProtocolOneWayAnonRequest> {};

extern "C" const fidl_type_t test_protocollayouts_LocalTablePayloadTable;

template <>
struct IsFidlType<::test_protocollayouts::LocalTablePayload>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<::test_protocollayouts::LocalTablePayload>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_LocalTablePayloadTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::LocalTablePayload,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    : public ::fidl::internal::NaturalTableCodingTraits<
          ::test_protocollayouts::LocalTablePayload> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_TwoWayImportWithError_ResultTable;

template <>
struct IsFidlType<
    ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocol_TwoWayImportWithError_ResultTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final
    : public ::fidl::internal::NaturalUnionCodingTraits<
          ::test_protocollayouts::MainProtocolTwoWayImportWithErrorResult> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_TwoWayAnonWithError_ResponseTable;

template <>
struct IsFidlType<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocol_TwoWayAnonWithError_ResponseTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final
    : public ::fidl::internal::NaturalUnionCodingTraits<
          ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResponse> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_TwoWayAnonWithError_ResultTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocol_TwoWayAnonWithError_ResultTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final : public ::fidl::internal::NaturalUnionCodingTraits<
                ::test_protocollayouts::MainProtocolTwoWayAnonWithErrorResult> {
};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_OnImportWithError_ResultTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolOnImportWithErrorResult>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::MainProtocolOnImportWithErrorResult>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolOnImportWithErrorResult>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocol_OnImportWithError_ResultTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolOnImportWithErrorResult,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final : public ::fidl::internal::NaturalUnionCodingTraits<
                ::test_protocollayouts::MainProtocolOnImportWithErrorResult> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_OnAnonWithError_ResultTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolOnAnonWithErrorResult>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::MainProtocolOnAnonWithErrorResult>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolOnAnonWithErrorResult>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocol_OnAnonWithError_ResultTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolOnAnonWithErrorResult,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final : public ::fidl::internal::NaturalUnionCodingTraits<
                ::test_protocollayouts::MainProtocolOnAnonWithErrorResult> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolTwoWayAnonRequestTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolTwoWayAnonRequest>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::MainProtocolTwoWayAnonRequest>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonRequest>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolTwoWayAnonRequestTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayAnonRequest,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final : public ::fidl::internal::NaturalUnionCodingTraits<
                ::test_protocollayouts::MainProtocolTwoWayAnonRequest> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocolOnAnonRequestTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolOnAnonRequest>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::MainProtocolOnAnonRequest>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolOnAnonRequest>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocolOnAnonRequestTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolOnAnonRequest,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final : public ::fidl::internal::NaturalUnionCodingTraits<
                ::test_protocollayouts::MainProtocolOnAnonRequest> {};

extern "C" const fidl_type_t test_protocollayouts_LocalUnionPayloadTable;

template <>
struct IsFidlType<::test_protocollayouts::LocalUnionPayload>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::LocalUnionPayload>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<::test_protocollayouts::LocalUnionPayload>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_LocalUnionPayloadTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::LocalUnionPayload,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final : public ::fidl::internal::NaturalUnionCodingTraits<
                ::test_protocollayouts::LocalUnionPayload> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_TwoWayLocalWithError_ResultTable;

template <>
struct IsFidlType<
    ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocol_TwoWayLocalWithError_ResultTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final
    : public ::fidl::internal::NaturalUnionCodingTraits<
          ::test_protocollayouts::MainProtocolTwoWayLocalWithErrorResult> {};

extern "C" const fidl_type_t
    test_protocollayouts_MainProtocol_OnLocalWithError_ResultTable;

template <>
struct IsFidlType<::test_protocollayouts::MainProtocolOnLocalWithErrorResult>
    : public std::true_type {};
template <>
struct IsUnion<::test_protocollayouts::MainProtocolOnLocalWithErrorResult>
    : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<
    ::test_protocollayouts::MainProtocolOnLocalWithErrorResult>
    final {
 public:
  static constexpr const fidl_type_t* kCodingTable =
      &test_protocollayouts_MainProtocol_OnLocalWithError_ResultTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_protocollayouts::MainProtocolOnLocalWithErrorResult,
    ::fidl::internal::NaturalCodingConstraintEmpty>
    final : public ::fidl::internal::NaturalUnionCodingTraits<
                ::test_protocollayouts::MainProtocolOnLocalWithErrorResult> {};

}  // namespace fidl