/*
 * Copyright 2023 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: firestore/local/maybe_document.proto

#include "firestore/local/maybe_document.pb.h"

#include <algorithm>

#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/extension_set.h>
#include <google/protobuf/wire_format_lite.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/generated_message_reflection.h>
#include <google/protobuf/reflection_ops.h>
#include <google/protobuf/wire_format.h>
// @@protoc_insertion_point(includes)
#include <google/protobuf/port_def.inc>
extern PROTOBUF_INTERNAL_EXPORT_firestore_2flocal_2fmaybe_5fdocument_2eproto ::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<1> scc_info_NoDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto;
extern PROTOBUF_INTERNAL_EXPORT_firestore_2flocal_2fmaybe_5fdocument_2eproto ::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<1> scc_info_UnknownDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto;
extern PROTOBUF_INTERNAL_EXPORT_google_2ffirestore_2fv1_2fdocument_2eproto ::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<2> scc_info_Document_google_2ffirestore_2fv1_2fdocument_2eproto;
extern PROTOBUF_INTERNAL_EXPORT_google_2fprotobuf_2ftimestamp_2eproto ::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<0> scc_info_Timestamp_google_2fprotobuf_2ftimestamp_2eproto;
namespace firestore {
namespace client {
class NoDocumentDefaultTypeInternal {
 public:
  ::PROTOBUF_NAMESPACE_ID::internal::ExplicitlyConstructed<NoDocument> _instance;
} _NoDocument_default_instance_;
class UnknownDocumentDefaultTypeInternal {
 public:
  ::PROTOBUF_NAMESPACE_ID::internal::ExplicitlyConstructed<UnknownDocument> _instance;
} _UnknownDocument_default_instance_;
class MaybeDocumentDefaultTypeInternal {
 public:
  ::PROTOBUF_NAMESPACE_ID::internal::ExplicitlyConstructed<MaybeDocument> _instance;
  const ::firestore::client::NoDocument* no_document_;
  const ::google::firestore::v1::Document* document_;
  const ::firestore::client::UnknownDocument* unknown_document_;
} _MaybeDocument_default_instance_;
}  // namespace client
}  // namespace firestore
static void InitDefaultsscc_info_MaybeDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto() {
  GOOGLE_PROTOBUF_VERIFY_VERSION;

  {
    void* ptr = &::firestore::client::_MaybeDocument_default_instance_;
    new (ptr) ::firestore::client::MaybeDocument();
    ::PROTOBUF_NAMESPACE_ID::internal::OnShutdownDestroyMessage(ptr);
  }
  ::firestore::client::MaybeDocument::InitAsDefaultInstance();
}

::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<3> scc_info_MaybeDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto =
    {{ATOMIC_VAR_INIT(::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase::kUninitialized), 3, 0, InitDefaultsscc_info_MaybeDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto}, {
      &scc_info_NoDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base,
      &scc_info_Document_google_2ffirestore_2fv1_2fdocument_2eproto.base,
      &scc_info_UnknownDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base,}};

static void InitDefaultsscc_info_NoDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto() {
  GOOGLE_PROTOBUF_VERIFY_VERSION;

  {
    void* ptr = &::firestore::client::_NoDocument_default_instance_;
    new (ptr) ::firestore::client::NoDocument();
    ::PROTOBUF_NAMESPACE_ID::internal::OnShutdownDestroyMessage(ptr);
  }
  ::firestore::client::NoDocument::InitAsDefaultInstance();
}

::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<1> scc_info_NoDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto =
    {{ATOMIC_VAR_INIT(::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase::kUninitialized), 1, 0, InitDefaultsscc_info_NoDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto}, {
      &scc_info_Timestamp_google_2fprotobuf_2ftimestamp_2eproto.base,}};

static void InitDefaultsscc_info_UnknownDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto() {
  GOOGLE_PROTOBUF_VERIFY_VERSION;

  {
    void* ptr = &::firestore::client::_UnknownDocument_default_instance_;
    new (ptr) ::firestore::client::UnknownDocument();
    ::PROTOBUF_NAMESPACE_ID::internal::OnShutdownDestroyMessage(ptr);
  }
  ::firestore::client::UnknownDocument::InitAsDefaultInstance();
}

::PROTOBUF_NAMESPACE_ID::internal::SCCInfo<1> scc_info_UnknownDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto =
    {{ATOMIC_VAR_INIT(::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase::kUninitialized), 1, 0, InitDefaultsscc_info_UnknownDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto}, {
      &scc_info_Timestamp_google_2fprotobuf_2ftimestamp_2eproto.base,}};

static ::PROTOBUF_NAMESPACE_ID::Metadata file_level_metadata_firestore_2flocal_2fmaybe_5fdocument_2eproto[3];
static constexpr ::PROTOBUF_NAMESPACE_ID::EnumDescriptor const** file_level_enum_descriptors_firestore_2flocal_2fmaybe_5fdocument_2eproto = nullptr;
static constexpr ::PROTOBUF_NAMESPACE_ID::ServiceDescriptor const** file_level_service_descriptors_firestore_2flocal_2fmaybe_5fdocument_2eproto = nullptr;

const ::PROTOBUF_NAMESPACE_ID::uint32 TableStruct_firestore_2flocal_2fmaybe_5fdocument_2eproto::offsets[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
  ~0u,  // no _has_bits_
  PROTOBUF_FIELD_OFFSET(::firestore::client::NoDocument, _internal_metadata_),
  ~0u,  // no _extensions_
  ~0u,  // no _oneof_case_
  ~0u,  // no _weak_field_map_
  PROTOBUF_FIELD_OFFSET(::firestore::client::NoDocument, name_),
  PROTOBUF_FIELD_OFFSET(::firestore::client::NoDocument, read_time_),
  ~0u,  // no _has_bits_
  PROTOBUF_FIELD_OFFSET(::firestore::client::UnknownDocument, _internal_metadata_),
  ~0u,  // no _extensions_
  ~0u,  // no _oneof_case_
  ~0u,  // no _weak_field_map_
  PROTOBUF_FIELD_OFFSET(::firestore::client::UnknownDocument, name_),
  PROTOBUF_FIELD_OFFSET(::firestore::client::UnknownDocument, version_),
  ~0u,  // no _has_bits_
  PROTOBUF_FIELD_OFFSET(::firestore::client::MaybeDocument, _internal_metadata_),
  ~0u,  // no _extensions_
  PROTOBUF_FIELD_OFFSET(::firestore::client::MaybeDocument, _oneof_case_[0]),
  ~0u,  // no _weak_field_map_
  offsetof(::firestore::client::MaybeDocumentDefaultTypeInternal, no_document_),
  offsetof(::firestore::client::MaybeDocumentDefaultTypeInternal, document_),
  offsetof(::firestore::client::MaybeDocumentDefaultTypeInternal, unknown_document_),
  PROTOBUF_FIELD_OFFSET(::firestore::client::MaybeDocument, has_committed_mutations_),
  PROTOBUF_FIELD_OFFSET(::firestore::client::MaybeDocument, document_type_),
};
static const ::PROTOBUF_NAMESPACE_ID::internal::MigrationSchema schemas[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) = {
  { 0, -1, sizeof(::firestore::client::NoDocument)},
  { 7, -1, sizeof(::firestore::client::UnknownDocument)},
  { 14, -1, sizeof(::firestore::client::MaybeDocument)},
};

static ::PROTOBUF_NAMESPACE_ID::Message const * const file_default_instances[] = {
  reinterpret_cast<const ::PROTOBUF_NAMESPACE_ID::Message*>(&::firestore::client::_NoDocument_default_instance_),
  reinterpret_cast<const ::PROTOBUF_NAMESPACE_ID::Message*>(&::firestore::client::_UnknownDocument_default_instance_),
  reinterpret_cast<const ::PROTOBUF_NAMESPACE_ID::Message*>(&::firestore::client::_MaybeDocument_default_instance_),
};

const char descriptor_table_protodef_firestore_2flocal_2fmaybe_5fdocument_2eproto[] PROTOBUF_SECTION_VARIABLE(protodesc_cold) =
  "\n$firestore/local/maybe_document.proto\022\020"
  "firestore.client\032\"google/firestore/v1/do"
  "cument.proto\032\037google/protobuf/timestamp."
  "proto\"I\n\nNoDocument\022\014\n\004name\030\001 \001(\t\022-\n\trea"
  "d_time\030\002 \001(\0132\032.google.protobuf.Timestamp"
  "\"L\n\017UnknownDocument\022\014\n\004name\030\001 \001(\t\022+\n\007ver"
  "sion\030\002 \001(\0132\032.google.protobuf.Timestamp\"\350"
  "\001\n\rMaybeDocument\0223\n\013no_document\030\001 \001(\0132\034."
  "firestore.client.NoDocumentH\000\0221\n\010documen"
  "t\030\002 \001(\0132\035.google.firestore.v1.DocumentH\000"
  "\022=\n\020unknown_document\030\003 \001(\0132!.firestore.c"
  "lient.UnknownDocumentH\000\022\037\n\027has_committed"
  "_mutations\030\004 \001(\010B\017\n\rdocument_typeB/\n#com"
  ".google.firebase.firestore.protoP\001\242\002\005FST"
  "PBb\006proto3"
  ;
static const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable*const descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto_deps[2] = {
  &::descriptor_table_google_2ffirestore_2fv1_2fdocument_2eproto,
  &::descriptor_table_google_2fprotobuf_2ftimestamp_2eproto,
};
static ::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase*const descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto_sccs[3] = {
  &scc_info_MaybeDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base,
  &scc_info_NoDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base,
  &scc_info_UnknownDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base,
};
static ::PROTOBUF_NAMESPACE_ID::internal::once_flag descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto_once;
static bool descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto_initialized = false;
const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto = {
  &descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto_initialized, descriptor_table_protodef_firestore_2flocal_2fmaybe_5fdocument_2eproto, "firestore/local/maybe_document.proto", 570,
  &descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto_once, descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto_sccs, descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto_deps, 3, 2,
  schemas, file_default_instances, TableStruct_firestore_2flocal_2fmaybe_5fdocument_2eproto::offsets,
  file_level_metadata_firestore_2flocal_2fmaybe_5fdocument_2eproto, 3, file_level_enum_descriptors_firestore_2flocal_2fmaybe_5fdocument_2eproto, file_level_service_descriptors_firestore_2flocal_2fmaybe_5fdocument_2eproto,
};

// Force running AddDescriptors() at dynamic initialization time.
static bool dynamic_init_dummy_firestore_2flocal_2fmaybe_5fdocument_2eproto = (  ::PROTOBUF_NAMESPACE_ID::internal::AddDescriptors(&descriptor_table_firestore_2flocal_2fmaybe_5fdocument_2eproto), true);
namespace firestore {
namespace client {

// ===================================================================

void NoDocument::InitAsDefaultInstance() {
  ::firestore::client::_NoDocument_default_instance_._instance.get_mutable()->read_time_ = const_cast< PROTOBUF_NAMESPACE_ID::Timestamp*>(
      PROTOBUF_NAMESPACE_ID::Timestamp::internal_default_instance());
}
class NoDocument::_Internal {
 public:
  static const PROTOBUF_NAMESPACE_ID::Timestamp& read_time(const NoDocument* msg);
};

const PROTOBUF_NAMESPACE_ID::Timestamp&
NoDocument::_Internal::read_time(const NoDocument* msg) {
  return *msg->read_time_;
}
void NoDocument::clear_read_time() {
  if (GetArenaNoVirtual() == nullptr && read_time_ != nullptr) {
    delete read_time_;
  }
  read_time_ = nullptr;
}
NoDocument::NoDocument()
  : ::PROTOBUF_NAMESPACE_ID::Message(), _internal_metadata_(nullptr) {
  SharedCtor();
  // @@protoc_insertion_point(constructor:firestore.client.NoDocument)
}
NoDocument::NoDocument(const NoDocument& from)
  : ::PROTOBUF_NAMESPACE_ID::Message(),
      _internal_metadata_(nullptr) {
  _internal_metadata_.MergeFrom(from._internal_metadata_);
  name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
  if (!from._internal_name().empty()) {
    name_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.name_);
  }
  if (from._internal_has_read_time()) {
    read_time_ = new PROTOBUF_NAMESPACE_ID::Timestamp(*from.read_time_);
  } else {
    read_time_ = nullptr;
  }
  // @@protoc_insertion_point(copy_constructor:firestore.client.NoDocument)
}

void NoDocument::SharedCtor() {
  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&scc_info_NoDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base);
  name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
  read_time_ = nullptr;
}

NoDocument::~NoDocument() {
  // @@protoc_insertion_point(destructor:firestore.client.NoDocument)
  SharedDtor();
}

void NoDocument::SharedDtor() {
  name_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
  if (this != internal_default_instance()) delete read_time_;
}

void NoDocument::SetCachedSize(int size) const {
  _cached_size_.Set(size);
}
const NoDocument& NoDocument::default_instance() {
  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&::scc_info_NoDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base);
  return *internal_default_instance();
}


void NoDocument::Clear() {
// @@protoc_insertion_point(message_clear_start:firestore.client.NoDocument)
  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  // Prevent compiler warnings about cached_has_bits being unused
  (void) cached_has_bits;

  name_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
  if (GetArenaNoVirtual() == nullptr && read_time_ != nullptr) {
    delete read_time_;
  }
  read_time_ = nullptr;
  _internal_metadata_.Clear();
}

const char* NoDocument::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
  while (!ctx->Done(&ptr)) {
    ::PROTOBUF_NAMESPACE_ID::uint32 tag;
    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
    CHK_(ptr);
    switch (tag >> 3) {
      // string name = 1;
      case 1:
        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 10)) {
          auto str = _internal_mutable_name();
          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
          CHK_(::PROTOBUF_NAMESPACE_ID::internal::VerifyUTF8(str, "firestore.client.NoDocument.name"));
          CHK_(ptr);
        } else goto handle_unusual;
        continue;
      // .google.protobuf.Timestamp read_time = 2;
      case 2:
        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 18)) {
          ptr = ctx->ParseMessage(_internal_mutable_read_time(), ptr);
          CHK_(ptr);
        } else goto handle_unusual;
        continue;
      default: {
      handle_unusual:
        if ((tag & 7) == 4 || tag == 0) {
          ctx->SetLastTag(tag);
          goto success;
        }
        ptr = UnknownFieldParse(tag, &_internal_metadata_, ptr, ctx);
        CHK_(ptr != nullptr);
        continue;
      }
    }  // switch
  }  // while
success:
  return ptr;
failure:
  ptr = nullptr;
  goto success;
#undef CHK_
}

::PROTOBUF_NAMESPACE_ID::uint8* NoDocument::_InternalSerialize(
    ::PROTOBUF_NAMESPACE_ID::uint8* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
  // @@protoc_insertion_point(serialize_to_array_start:firestore.client.NoDocument)
  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  (void) cached_has_bits;

  // string name = 1;
  if (this->name().size() > 0) {
    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
      this->_internal_name().data(), static_cast<int>(this->_internal_name().length()),
      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
      "firestore.client.NoDocument.name");
    target = stream->WriteStringMaybeAliased(
        1, this->_internal_name(), target);
  }

  // .google.protobuf.Timestamp read_time = 2;
  if (this->has_read_time()) {
    target = stream->EnsureSpace(target);
    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
      InternalWriteMessage(
        2, _Internal::read_time(this), target, stream);
  }

  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormat::InternalSerializeUnknownFieldsToArray(
        _internal_metadata_.unknown_fields(), target, stream);
  }
  // @@protoc_insertion_point(serialize_to_array_end:firestore.client.NoDocument)
  return target;
}

size_t NoDocument::ByteSizeLong() const {
// @@protoc_insertion_point(message_byte_size_start:firestore.client.NoDocument)
  size_t total_size = 0;

  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  // Prevent compiler warnings about cached_has_bits being unused
  (void) cached_has_bits;

  // string name = 1;
  if (this->name().size() > 0) {
    total_size += 1 +
      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
        this->_internal_name());
  }

  // .google.protobuf.Timestamp read_time = 2;
  if (this->has_read_time()) {
    total_size += 1 +
      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
        *read_time_);
  }

  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
    return ::PROTOBUF_NAMESPACE_ID::internal::ComputeUnknownFieldsSize(
        _internal_metadata_, total_size, &_cached_size_);
  }
  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
  SetCachedSize(cached_size);
  return total_size;
}

void NoDocument::MergeFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
// @@protoc_insertion_point(generalized_merge_from_start:firestore.client.NoDocument)
  GOOGLE_DCHECK_NE(&from, this);
  const NoDocument* source =
      ::PROTOBUF_NAMESPACE_ID::DynamicCastToGenerated<NoDocument>(
          &from);
  if (source == nullptr) {
  // @@protoc_insertion_point(generalized_merge_from_cast_fail:firestore.client.NoDocument)
    ::PROTOBUF_NAMESPACE_ID::internal::ReflectionOps::Merge(from, this);
  } else {
  // @@protoc_insertion_point(generalized_merge_from_cast_success:firestore.client.NoDocument)
    MergeFrom(*source);
  }
}

void NoDocument::MergeFrom(const NoDocument& from) {
// @@protoc_insertion_point(class_specific_merge_from_start:firestore.client.NoDocument)
  GOOGLE_DCHECK_NE(&from, this);
  _internal_metadata_.MergeFrom(from._internal_metadata_);
  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  (void) cached_has_bits;

  if (from.name().size() > 0) {

    name_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.name_);
  }
  if (from.has_read_time()) {
    _internal_mutable_read_time()->PROTOBUF_NAMESPACE_ID::Timestamp::MergeFrom(from._internal_read_time());
  }
}

void NoDocument::CopyFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
// @@protoc_insertion_point(generalized_copy_from_start:firestore.client.NoDocument)
  if (&from == this) return;
  Clear();
  MergeFrom(from);
}

void NoDocument::CopyFrom(const NoDocument& from) {
// @@protoc_insertion_point(class_specific_copy_from_start:firestore.client.NoDocument)
  if (&from == this) return;
  Clear();
  MergeFrom(from);
}

bool NoDocument::IsInitialized() const {
  return true;
}

void NoDocument::InternalSwap(NoDocument* other) {
  using std::swap;
  _internal_metadata_.Swap(&other->_internal_metadata_);
  name_.Swap(&other->name_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
    GetArenaNoVirtual());
  swap(read_time_, other->read_time_);
}

::PROTOBUF_NAMESPACE_ID::Metadata NoDocument::GetMetadata() const {
  return GetMetadataStatic();
}


// ===================================================================

void UnknownDocument::InitAsDefaultInstance() {
  ::firestore::client::_UnknownDocument_default_instance_._instance.get_mutable()->version_ = const_cast< PROTOBUF_NAMESPACE_ID::Timestamp*>(
      PROTOBUF_NAMESPACE_ID::Timestamp::internal_default_instance());
}
class UnknownDocument::_Internal {
 public:
  static const PROTOBUF_NAMESPACE_ID::Timestamp& version(const UnknownDocument* msg);
};

const PROTOBUF_NAMESPACE_ID::Timestamp&
UnknownDocument::_Internal::version(const UnknownDocument* msg) {
  return *msg->version_;
}
void UnknownDocument::clear_version() {
  if (GetArenaNoVirtual() == nullptr && version_ != nullptr) {
    delete version_;
  }
  version_ = nullptr;
}
UnknownDocument::UnknownDocument()
  : ::PROTOBUF_NAMESPACE_ID::Message(), _internal_metadata_(nullptr) {
  SharedCtor();
  // @@protoc_insertion_point(constructor:firestore.client.UnknownDocument)
}
UnknownDocument::UnknownDocument(const UnknownDocument& from)
  : ::PROTOBUF_NAMESPACE_ID::Message(),
      _internal_metadata_(nullptr) {
  _internal_metadata_.MergeFrom(from._internal_metadata_);
  name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
  if (!from._internal_name().empty()) {
    name_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.name_);
  }
  if (from._internal_has_version()) {
    version_ = new PROTOBUF_NAMESPACE_ID::Timestamp(*from.version_);
  } else {
    version_ = nullptr;
  }
  // @@protoc_insertion_point(copy_constructor:firestore.client.UnknownDocument)
}

void UnknownDocument::SharedCtor() {
  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&scc_info_UnknownDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base);
  name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
  version_ = nullptr;
}

UnknownDocument::~UnknownDocument() {
  // @@protoc_insertion_point(destructor:firestore.client.UnknownDocument)
  SharedDtor();
}

void UnknownDocument::SharedDtor() {
  name_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
  if (this != internal_default_instance()) delete version_;
}

void UnknownDocument::SetCachedSize(int size) const {
  _cached_size_.Set(size);
}
const UnknownDocument& UnknownDocument::default_instance() {
  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&::scc_info_UnknownDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base);
  return *internal_default_instance();
}


void UnknownDocument::Clear() {
// @@protoc_insertion_point(message_clear_start:firestore.client.UnknownDocument)
  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  // Prevent compiler warnings about cached_has_bits being unused
  (void) cached_has_bits;

  name_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
  if (GetArenaNoVirtual() == nullptr && version_ != nullptr) {
    delete version_;
  }
  version_ = nullptr;
  _internal_metadata_.Clear();
}

const char* UnknownDocument::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
  while (!ctx->Done(&ptr)) {
    ::PROTOBUF_NAMESPACE_ID::uint32 tag;
    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
    CHK_(ptr);
    switch (tag >> 3) {
      // string name = 1;
      case 1:
        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 10)) {
          auto str = _internal_mutable_name();
          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParser(str, ptr, ctx);
          CHK_(::PROTOBUF_NAMESPACE_ID::internal::VerifyUTF8(str, "firestore.client.UnknownDocument.name"));
          CHK_(ptr);
        } else goto handle_unusual;
        continue;
      // .google.protobuf.Timestamp version = 2;
      case 2:
        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 18)) {
          ptr = ctx->ParseMessage(_internal_mutable_version(), ptr);
          CHK_(ptr);
        } else goto handle_unusual;
        continue;
      default: {
      handle_unusual:
        if ((tag & 7) == 4 || tag == 0) {
          ctx->SetLastTag(tag);
          goto success;
        }
        ptr = UnknownFieldParse(tag, &_internal_metadata_, ptr, ctx);
        CHK_(ptr != nullptr);
        continue;
      }
    }  // switch
  }  // while
success:
  return ptr;
failure:
  ptr = nullptr;
  goto success;
#undef CHK_
}

::PROTOBUF_NAMESPACE_ID::uint8* UnknownDocument::_InternalSerialize(
    ::PROTOBUF_NAMESPACE_ID::uint8* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
  // @@protoc_insertion_point(serialize_to_array_start:firestore.client.UnknownDocument)
  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  (void) cached_has_bits;

  // string name = 1;
  if (this->name().size() > 0) {
    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
      this->_internal_name().data(), static_cast<int>(this->_internal_name().length()),
      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
      "firestore.client.UnknownDocument.name");
    target = stream->WriteStringMaybeAliased(
        1, this->_internal_name(), target);
  }

  // .google.protobuf.Timestamp version = 2;
  if (this->has_version()) {
    target = stream->EnsureSpace(target);
    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
      InternalWriteMessage(
        2, _Internal::version(this), target, stream);
  }

  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormat::InternalSerializeUnknownFieldsToArray(
        _internal_metadata_.unknown_fields(), target, stream);
  }
  // @@protoc_insertion_point(serialize_to_array_end:firestore.client.UnknownDocument)
  return target;
}

size_t UnknownDocument::ByteSizeLong() const {
// @@protoc_insertion_point(message_byte_size_start:firestore.client.UnknownDocument)
  size_t total_size = 0;

  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  // Prevent compiler warnings about cached_has_bits being unused
  (void) cached_has_bits;

  // string name = 1;
  if (this->name().size() > 0) {
    total_size += 1 +
      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
        this->_internal_name());
  }

  // .google.protobuf.Timestamp version = 2;
  if (this->has_version()) {
    total_size += 1 +
      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
        *version_);
  }

  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
    return ::PROTOBUF_NAMESPACE_ID::internal::ComputeUnknownFieldsSize(
        _internal_metadata_, total_size, &_cached_size_);
  }
  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
  SetCachedSize(cached_size);
  return total_size;
}

void UnknownDocument::MergeFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
// @@protoc_insertion_point(generalized_merge_from_start:firestore.client.UnknownDocument)
  GOOGLE_DCHECK_NE(&from, this);
  const UnknownDocument* source =
      ::PROTOBUF_NAMESPACE_ID::DynamicCastToGenerated<UnknownDocument>(
          &from);
  if (source == nullptr) {
  // @@protoc_insertion_point(generalized_merge_from_cast_fail:firestore.client.UnknownDocument)
    ::PROTOBUF_NAMESPACE_ID::internal::ReflectionOps::Merge(from, this);
  } else {
  // @@protoc_insertion_point(generalized_merge_from_cast_success:firestore.client.UnknownDocument)
    MergeFrom(*source);
  }
}

void UnknownDocument::MergeFrom(const UnknownDocument& from) {
// @@protoc_insertion_point(class_specific_merge_from_start:firestore.client.UnknownDocument)
  GOOGLE_DCHECK_NE(&from, this);
  _internal_metadata_.MergeFrom(from._internal_metadata_);
  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  (void) cached_has_bits;

  if (from.name().size() > 0) {

    name_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.name_);
  }
  if (from.has_version()) {
    _internal_mutable_version()->PROTOBUF_NAMESPACE_ID::Timestamp::MergeFrom(from._internal_version());
  }
}

void UnknownDocument::CopyFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
// @@protoc_insertion_point(generalized_copy_from_start:firestore.client.UnknownDocument)
  if (&from == this) return;
  Clear();
  MergeFrom(from);
}

void UnknownDocument::CopyFrom(const UnknownDocument& from) {
// @@protoc_insertion_point(class_specific_copy_from_start:firestore.client.UnknownDocument)
  if (&from == this) return;
  Clear();
  MergeFrom(from);
}

bool UnknownDocument::IsInitialized() const {
  return true;
}

void UnknownDocument::InternalSwap(UnknownDocument* other) {
  using std::swap;
  _internal_metadata_.Swap(&other->_internal_metadata_);
  name_.Swap(&other->name_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
    GetArenaNoVirtual());
  swap(version_, other->version_);
}

::PROTOBUF_NAMESPACE_ID::Metadata UnknownDocument::GetMetadata() const {
  return GetMetadataStatic();
}


// ===================================================================

void MaybeDocument::InitAsDefaultInstance() {
  ::firestore::client::_MaybeDocument_default_instance_.no_document_ = const_cast< ::firestore::client::NoDocument*>(
      ::firestore::client::NoDocument::internal_default_instance());
  ::firestore::client::_MaybeDocument_default_instance_.document_ = const_cast< ::google::firestore::v1::Document*>(
      ::google::firestore::v1::Document::internal_default_instance());
  ::firestore::client::_MaybeDocument_default_instance_.unknown_document_ = const_cast< ::firestore::client::UnknownDocument*>(
      ::firestore::client::UnknownDocument::internal_default_instance());
}
class MaybeDocument::_Internal {
 public:
  static const ::firestore::client::NoDocument& no_document(const MaybeDocument* msg);
  static const ::google::firestore::v1::Document& document(const MaybeDocument* msg);
  static const ::firestore::client::UnknownDocument& unknown_document(const MaybeDocument* msg);
};

const ::firestore::client::NoDocument&
MaybeDocument::_Internal::no_document(const MaybeDocument* msg) {
  return *msg->document_type_.no_document_;
}
const ::google::firestore::v1::Document&
MaybeDocument::_Internal::document(const MaybeDocument* msg) {
  return *msg->document_type_.document_;
}
const ::firestore::client::UnknownDocument&
MaybeDocument::_Internal::unknown_document(const MaybeDocument* msg) {
  return *msg->document_type_.unknown_document_;
}
void MaybeDocument::set_allocated_no_document(::firestore::client::NoDocument* no_document) {
  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaNoVirtual();
  clear_document_type();
  if (no_document) {
    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena = nullptr;
    if (message_arena != submessage_arena) {
      no_document = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
          message_arena, no_document, submessage_arena);
    }
    set_has_no_document();
    document_type_.no_document_ = no_document;
  }
  // @@protoc_insertion_point(field_set_allocated:firestore.client.MaybeDocument.no_document)
}
void MaybeDocument::set_allocated_document(::google::firestore::v1::Document* document) {
  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaNoVirtual();
  clear_document_type();
  if (document) {
    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena = nullptr;
    if (message_arena != submessage_arena) {
      document = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
          message_arena, document, submessage_arena);
    }
    set_has_document();
    document_type_.document_ = document;
  }
  // @@protoc_insertion_point(field_set_allocated:firestore.client.MaybeDocument.document)
}
void MaybeDocument::clear_document() {
  if (_internal_has_document()) {
    delete document_type_.document_;
    clear_has_document_type();
  }
}
void MaybeDocument::set_allocated_unknown_document(::firestore::client::UnknownDocument* unknown_document) {
  ::PROTOBUF_NAMESPACE_ID::Arena* message_arena = GetArenaNoVirtual();
  clear_document_type();
  if (unknown_document) {
    ::PROTOBUF_NAMESPACE_ID::Arena* submessage_arena = nullptr;
    if (message_arena != submessage_arena) {
      unknown_document = ::PROTOBUF_NAMESPACE_ID::internal::GetOwnedMessage(
          message_arena, unknown_document, submessage_arena);
    }
    set_has_unknown_document();
    document_type_.unknown_document_ = unknown_document;
  }
  // @@protoc_insertion_point(field_set_allocated:firestore.client.MaybeDocument.unknown_document)
}
MaybeDocument::MaybeDocument()
  : ::PROTOBUF_NAMESPACE_ID::Message(), _internal_metadata_(nullptr) {
  SharedCtor();
  // @@protoc_insertion_point(constructor:firestore.client.MaybeDocument)
}
MaybeDocument::MaybeDocument(const MaybeDocument& from)
  : ::PROTOBUF_NAMESPACE_ID::Message(),
      _internal_metadata_(nullptr) {
  _internal_metadata_.MergeFrom(from._internal_metadata_);
  has_committed_mutations_ = from.has_committed_mutations_;
  clear_has_document_type();
  switch (from.document_type_case()) {
    case kNoDocument: {
      _internal_mutable_no_document()->::firestore::client::NoDocument::MergeFrom(from._internal_no_document());
      break;
    }
    case kDocument: {
      _internal_mutable_document()->::google::firestore::v1::Document::MergeFrom(from._internal_document());
      break;
    }
    case kUnknownDocument: {
      _internal_mutable_unknown_document()->::firestore::client::UnknownDocument::MergeFrom(from._internal_unknown_document());
      break;
    }
    case DOCUMENT_TYPE_NOT_SET: {
      break;
    }
  }
  // @@protoc_insertion_point(copy_constructor:firestore.client.MaybeDocument)
}

void MaybeDocument::SharedCtor() {
  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&scc_info_MaybeDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base);
  has_committed_mutations_ = false;
  clear_has_document_type();
}

MaybeDocument::~MaybeDocument() {
  // @@protoc_insertion_point(destructor:firestore.client.MaybeDocument)
  SharedDtor();
}

void MaybeDocument::SharedDtor() {
  if (has_document_type()) {
    clear_document_type();
  }
}

void MaybeDocument::SetCachedSize(int size) const {
  _cached_size_.Set(size);
}
const MaybeDocument& MaybeDocument::default_instance() {
  ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&::scc_info_MaybeDocument_firestore_2flocal_2fmaybe_5fdocument_2eproto.base);
  return *internal_default_instance();
}


void MaybeDocument::clear_document_type() {
// @@protoc_insertion_point(one_of_clear_start:firestore.client.MaybeDocument)
  switch (document_type_case()) {
    case kNoDocument: {
      delete document_type_.no_document_;
      break;
    }
    case kDocument: {
      delete document_type_.document_;
      break;
    }
    case kUnknownDocument: {
      delete document_type_.unknown_document_;
      break;
    }
    case DOCUMENT_TYPE_NOT_SET: {
      break;
    }
  }
  _oneof_case_[0] = DOCUMENT_TYPE_NOT_SET;
}


void MaybeDocument::Clear() {
// @@protoc_insertion_point(message_clear_start:firestore.client.MaybeDocument)
  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  // Prevent compiler warnings about cached_has_bits being unused
  (void) cached_has_bits;

  has_committed_mutations_ = false;
  clear_document_type();
  _internal_metadata_.Clear();
}

const char* MaybeDocument::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID::internal::ParseContext* ctx) {
#define CHK_(x) if (PROTOBUF_PREDICT_FALSE(!(x))) goto failure
  while (!ctx->Done(&ptr)) {
    ::PROTOBUF_NAMESPACE_ID::uint32 tag;
    ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
    CHK_(ptr);
    switch (tag >> 3) {
      // .firestore.client.NoDocument no_document = 1;
      case 1:
        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 10)) {
          ptr = ctx->ParseMessage(_internal_mutable_no_document(), ptr);
          CHK_(ptr);
        } else goto handle_unusual;
        continue;
      // .google.firestore.v1.Document document = 2;
      case 2:
        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 18)) {
          ptr = ctx->ParseMessage(_internal_mutable_document(), ptr);
          CHK_(ptr);
        } else goto handle_unusual;
        continue;
      // .firestore.client.UnknownDocument unknown_document = 3;
      case 3:
        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 26)) {
          ptr = ctx->ParseMessage(_internal_mutable_unknown_document(), ptr);
          CHK_(ptr);
        } else goto handle_unusual;
        continue;
      // bool has_committed_mutations = 4;
      case 4:
        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 32)) {
          has_committed_mutations_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint(&ptr);
          CHK_(ptr);
        } else goto handle_unusual;
        continue;
      default: {
      handle_unusual:
        if ((tag & 7) == 4 || tag == 0) {
          ctx->SetLastTag(tag);
          goto success;
        }
        ptr = UnknownFieldParse(tag, &_internal_metadata_, ptr, ctx);
        CHK_(ptr != nullptr);
        continue;
      }
    }  // switch
  }  // while
success:
  return ptr;
failure:
  ptr = nullptr;
  goto success;
#undef CHK_
}

::PROTOBUF_NAMESPACE_ID::uint8* MaybeDocument::_InternalSerialize(
    ::PROTOBUF_NAMESPACE_ID::uint8* target, ::PROTOBUF_NAMESPACE_ID::io::EpsCopyOutputStream* stream) const {
  // @@protoc_insertion_point(serialize_to_array_start:firestore.client.MaybeDocument)
  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  (void) cached_has_bits;

  // .firestore.client.NoDocument no_document = 1;
  if (_internal_has_no_document()) {
    target = stream->EnsureSpace(target);
    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
      InternalWriteMessage(
        1, _Internal::no_document(this), target, stream);
  }

  // .google.firestore.v1.Document document = 2;
  if (_internal_has_document()) {
    target = stream->EnsureSpace(target);
    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
      InternalWriteMessage(
        2, _Internal::document(this), target, stream);
  }

  // .firestore.client.UnknownDocument unknown_document = 3;
  if (_internal_has_unknown_document()) {
    target = stream->EnsureSpace(target);
    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
      InternalWriteMessage(
        3, _Internal::unknown_document(this), target, stream);
  }

  // bool has_committed_mutations = 4;
  if (this->has_committed_mutations() != 0) {
    target = stream->EnsureSpace(target);
    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteBoolToArray(4, this->_internal_has_committed_mutations(), target);
  }

  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormat::InternalSerializeUnknownFieldsToArray(
        _internal_metadata_.unknown_fields(), target, stream);
  }
  // @@protoc_insertion_point(serialize_to_array_end:firestore.client.MaybeDocument)
  return target;
}

size_t MaybeDocument::ByteSizeLong() const {
// @@protoc_insertion_point(message_byte_size_start:firestore.client.MaybeDocument)
  size_t total_size = 0;

  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  // Prevent compiler warnings about cached_has_bits being unused
  (void) cached_has_bits;

  // bool has_committed_mutations = 4;
  if (this->has_committed_mutations() != 0) {
    total_size += 1 + 1;
  }

  switch (document_type_case()) {
    // .firestore.client.NoDocument no_document = 1;
    case kNoDocument: {
      total_size += 1 +
        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
          *document_type_.no_document_);
      break;
    }
    // .google.firestore.v1.Document document = 2;
    case kDocument: {
      total_size += 1 +
        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
          *document_type_.document_);
      break;
    }
    // .firestore.client.UnknownDocument unknown_document = 3;
    case kUnknownDocument: {
      total_size += 1 +
        ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::MessageSize(
          *document_type_.unknown_document_);
      break;
    }
    case DOCUMENT_TYPE_NOT_SET: {
      break;
    }
  }
  if (PROTOBUF_PREDICT_FALSE(_internal_metadata_.have_unknown_fields())) {
    return ::PROTOBUF_NAMESPACE_ID::internal::ComputeUnknownFieldsSize(
        _internal_metadata_, total_size, &_cached_size_);
  }
  int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
  SetCachedSize(cached_size);
  return total_size;
}

void MaybeDocument::MergeFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
// @@protoc_insertion_point(generalized_merge_from_start:firestore.client.MaybeDocument)
  GOOGLE_DCHECK_NE(&from, this);
  const MaybeDocument* source =
      ::PROTOBUF_NAMESPACE_ID::DynamicCastToGenerated<MaybeDocument>(
          &from);
  if (source == nullptr) {
  // @@protoc_insertion_point(generalized_merge_from_cast_fail:firestore.client.MaybeDocument)
    ::PROTOBUF_NAMESPACE_ID::internal::ReflectionOps::Merge(from, this);
  } else {
  // @@protoc_insertion_point(generalized_merge_from_cast_success:firestore.client.MaybeDocument)
    MergeFrom(*source);
  }
}

void MaybeDocument::MergeFrom(const MaybeDocument& from) {
// @@protoc_insertion_point(class_specific_merge_from_start:firestore.client.MaybeDocument)
  GOOGLE_DCHECK_NE(&from, this);
  _internal_metadata_.MergeFrom(from._internal_metadata_);
  ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
  (void) cached_has_bits;

  if (from.has_committed_mutations() != 0) {
    _internal_set_has_committed_mutations(from._internal_has_committed_mutations());
  }
  switch (from.document_type_case()) {
    case kNoDocument: {
      _internal_mutable_no_document()->::firestore::client::NoDocument::MergeFrom(from._internal_no_document());
      break;
    }
    case kDocument: {
      _internal_mutable_document()->::google::firestore::v1::Document::MergeFrom(from._internal_document());
      break;
    }
    case kUnknownDocument: {
      _internal_mutable_unknown_document()->::firestore::client::UnknownDocument::MergeFrom(from._internal_unknown_document());
      break;
    }
    case DOCUMENT_TYPE_NOT_SET: {
      break;
    }
  }
}

void MaybeDocument::CopyFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
// @@protoc_insertion_point(generalized_copy_from_start:firestore.client.MaybeDocument)
  if (&from == this) return;
  Clear();
  MergeFrom(from);
}

void MaybeDocument::CopyFrom(const MaybeDocument& from) {
// @@protoc_insertion_point(class_specific_copy_from_start:firestore.client.MaybeDocument)
  if (&from == this) return;
  Clear();
  MergeFrom(from);
}

bool MaybeDocument::IsInitialized() const {
  return true;
}

void MaybeDocument::InternalSwap(MaybeDocument* other) {
  using std::swap;
  _internal_metadata_.Swap(&other->_internal_metadata_);
  swap(has_committed_mutations_, other->has_committed_mutations_);
  swap(document_type_, other->document_type_);
  swap(_oneof_case_[0], other->_oneof_case_[0]);
}

::PROTOBUF_NAMESPACE_ID::Metadata MaybeDocument::GetMetadata() const {
  return GetMetadataStatic();
}


// @@protoc_insertion_point(namespace_scope)
}  // namespace client
}  // namespace firestore
PROTOBUF_NAMESPACE_OPEN
template<> PROTOBUF_NOINLINE ::firestore::client::NoDocument* Arena::CreateMaybeMessage< ::firestore::client::NoDocument >(Arena* arena) {
  return Arena::CreateInternal< ::firestore::client::NoDocument >(arena);
}
template<> PROTOBUF_NOINLINE ::firestore::client::UnknownDocument* Arena::CreateMaybeMessage< ::firestore::client::UnknownDocument >(Arena* arena) {
  return Arena::CreateInternal< ::firestore::client::UnknownDocument >(arena);
}
template<> PROTOBUF_NOINLINE ::firestore::client::MaybeDocument* Arena::CreateMaybeMessage< ::firestore::client::MaybeDocument >(Arena* arena) {
  return Arena::CreateInternal< ::firestore::client::MaybeDocument >(arena);
}
PROTOBUF_NAMESPACE_CLOSE

// @@protoc_insertion_point(global_scope)
#include <google/protobuf/port_undef.inc>