Adjust serializer test to verify via libprotobuf. (#1039)

Previously, the tests would compare serialization results against a
precomputed (via protoc) array of bytes. Now they serialize via our
nanopb based class and deserialize via libprotobuf (and vice versa) and
then ensure the result is the same as the input

1 files changed, 3941 insertions, 0 deletions

diff --git a/Firestore/Protos/cpp/google/firestore/v1beta1/query.pb.cc b/Firestore/Protos/cpp/google/firestore/v1beta1/query.pb.cc
new file mode 100644
index 0000000..5dc7a72
--- /dev/null
+++ b/Firestore/Protos/cpp/google/firestore/v1beta1/query.pb.cc
@@ -0,0 +1,3941 @@
+/*
+ * Copyright 2018 Google
+ *
+ * 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: google/firestore/v1beta1/query.proto
+
+#include "google/firestore/v1beta1/query.pb.h"
+
+#include <algorithm>
+
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/stubs/port.h>
+#include <google/protobuf/stubs/once.h>
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/wire_format_lite_inl.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>
+// This is a temporary google only hack
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+#include "third_party/protobuf/version.h"
+#endif
+// @@protoc_insertion_point(includes)
+namespace google {
+namespace firestore {
+namespace v1beta1 {
+class StructuredQuery_CollectionSelectorDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<StructuredQuery_CollectionSelector>
+      _instance;
+} _StructuredQuery_CollectionSelector_default_instance_;
+class StructuredQuery_FilterDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<StructuredQuery_Filter>
+      _instance;
+  const ::google::firestore::v1beta1::StructuredQuery_CompositeFilter* composite_filter_;
+  const ::google::firestore::v1beta1::StructuredQuery_FieldFilter* field_filter_;
+  const ::google::firestore::v1beta1::StructuredQuery_UnaryFilter* unary_filter_;
+} _StructuredQuery_Filter_default_instance_;
+class StructuredQuery_CompositeFilterDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<StructuredQuery_CompositeFilter>
+      _instance;
+} _StructuredQuery_CompositeFilter_default_instance_;
+class StructuredQuery_FieldFilterDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<StructuredQuery_FieldFilter>
+      _instance;
+} _StructuredQuery_FieldFilter_default_instance_;
+class StructuredQuery_UnaryFilterDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<StructuredQuery_UnaryFilter>
+      _instance;
+  const ::google::firestore::v1beta1::StructuredQuery_FieldReference* field_;
+} _StructuredQuery_UnaryFilter_default_instance_;
+class StructuredQuery_OrderDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<StructuredQuery_Order>
+      _instance;
+} _StructuredQuery_Order_default_instance_;
+class StructuredQuery_FieldReferenceDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<StructuredQuery_FieldReference>
+      _instance;
+} _StructuredQuery_FieldReference_default_instance_;
+class StructuredQuery_ProjectionDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<StructuredQuery_Projection>
+      _instance;
+} _StructuredQuery_Projection_default_instance_;
+class StructuredQueryDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<StructuredQuery>
+      _instance;
+} _StructuredQuery_default_instance_;
+class CursorDefaultTypeInternal {
+ public:
+  ::google::protobuf::internal::ExplicitlyConstructed<Cursor>
+      _instance;
+} _Cursor_default_instance_;
+}  // namespace v1beta1
+}  // namespace firestore
+}  // namespace google
+namespace protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto {
+void InitDefaultsStructuredQuery_CollectionSelectorImpl() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  ::google::protobuf::internal::InitProtobufDefaultsForceUnique();
+#else
+  ::google::protobuf::internal::InitProtobufDefaults();
+#endif  // GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  {
+    void* ptr = &::google::firestore::v1beta1::_StructuredQuery_CollectionSelector_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::StructuredQuery_CollectionSelector();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::google::firestore::v1beta1::StructuredQuery_CollectionSelector::InitAsDefaultInstance();
+}
+
+void InitDefaultsStructuredQuery_CollectionSelector() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &InitDefaultsStructuredQuery_CollectionSelectorImpl);
+}
+
+void InitDefaultsStructuredQuery_CompositeFilterImpl() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  ::google::protobuf::internal::InitProtobufDefaultsForceUnique();
+#else
+  ::google::protobuf::internal::InitProtobufDefaults();
+#endif  // GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldFilter();
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_UnaryFilter();
+  {
+    void* ptr = &::google::firestore::v1beta1::_StructuredQuery_Filter_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::StructuredQuery_Filter();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  {
+    void* ptr = &::google::firestore::v1beta1::_StructuredQuery_CompositeFilter_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::StructuredQuery_CompositeFilter();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::google::firestore::v1beta1::StructuredQuery_Filter::InitAsDefaultInstance();
+  ::google::firestore::v1beta1::StructuredQuery_CompositeFilter::InitAsDefaultInstance();
+}
+
+void InitDefaultsStructuredQuery_CompositeFilter() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &InitDefaultsStructuredQuery_CompositeFilterImpl);
+}
+
+void InitDefaultsStructuredQuery_FieldFilterImpl() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  ::google::protobuf::internal::InitProtobufDefaultsForceUnique();
+#else
+  ::google::protobuf::internal::InitProtobufDefaults();
+#endif  // GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldReference();
+  protobuf_google_2ffirestore_2fv1beta1_2fdocument_2eproto::InitDefaultsArrayValue();
+  {
+    void* ptr = &::google::firestore::v1beta1::_StructuredQuery_FieldFilter_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::StructuredQuery_FieldFilter();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::google::firestore::v1beta1::StructuredQuery_FieldFilter::InitAsDefaultInstance();
+}
+
+void InitDefaultsStructuredQuery_FieldFilter() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &InitDefaultsStructuredQuery_FieldFilterImpl);
+}
+
+void InitDefaultsStructuredQuery_UnaryFilterImpl() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  ::google::protobuf::internal::InitProtobufDefaultsForceUnique();
+#else
+  ::google::protobuf::internal::InitProtobufDefaults();
+#endif  // GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldReference();
+  {
+    void* ptr = &::google::firestore::v1beta1::_StructuredQuery_UnaryFilter_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::StructuredQuery_UnaryFilter();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::google::firestore::v1beta1::StructuredQuery_UnaryFilter::InitAsDefaultInstance();
+}
+
+void InitDefaultsStructuredQuery_UnaryFilter() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &InitDefaultsStructuredQuery_UnaryFilterImpl);
+}
+
+void InitDefaultsStructuredQuery_OrderImpl() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  ::google::protobuf::internal::InitProtobufDefaultsForceUnique();
+#else
+  ::google::protobuf::internal::InitProtobufDefaults();
+#endif  // GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldReference();
+  {
+    void* ptr = &::google::firestore::v1beta1::_StructuredQuery_Order_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::StructuredQuery_Order();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::google::firestore::v1beta1::StructuredQuery_Order::InitAsDefaultInstance();
+}
+
+void InitDefaultsStructuredQuery_Order() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &InitDefaultsStructuredQuery_OrderImpl);
+}
+
+void InitDefaultsStructuredQuery_FieldReferenceImpl() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  ::google::protobuf::internal::InitProtobufDefaultsForceUnique();
+#else
+  ::google::protobuf::internal::InitProtobufDefaults();
+#endif  // GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  {
+    void* ptr = &::google::firestore::v1beta1::_StructuredQuery_FieldReference_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::StructuredQuery_FieldReference();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference::InitAsDefaultInstance();
+}
+
+void InitDefaultsStructuredQuery_FieldReference() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &InitDefaultsStructuredQuery_FieldReferenceImpl);
+}
+
+void InitDefaultsStructuredQuery_ProjectionImpl() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  ::google::protobuf::internal::InitProtobufDefaultsForceUnique();
+#else
+  ::google::protobuf::internal::InitProtobufDefaults();
+#endif  // GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldReference();
+  {
+    void* ptr = &::google::firestore::v1beta1::_StructuredQuery_Projection_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::StructuredQuery_Projection();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::google::firestore::v1beta1::StructuredQuery_Projection::InitAsDefaultInstance();
+}
+
+void InitDefaultsStructuredQuery_Projection() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &InitDefaultsStructuredQuery_ProjectionImpl);
+}
+
+void InitDefaultsStructuredQueryImpl() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  ::google::protobuf::internal::InitProtobufDefaultsForceUnique();
+#else
+  ::google::protobuf::internal::InitProtobufDefaults();
+#endif  // GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_Projection();
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CollectionSelector();
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CompositeFilter();
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_Order();
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsCursor();
+  protobuf_google_2fprotobuf_2fwrappers_2eproto::InitDefaultsInt32Value();
+  {
+    void* ptr = &::google::firestore::v1beta1::_StructuredQuery_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::StructuredQuery();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::google::firestore::v1beta1::StructuredQuery::InitAsDefaultInstance();
+}
+
+void InitDefaultsStructuredQuery() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &InitDefaultsStructuredQueryImpl);
+}
+
+void InitDefaultsCursorImpl() {
+  GOOGLE_PROTOBUF_VERIFY_VERSION;
+
+#ifdef GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  ::google::protobuf::internal::InitProtobufDefaultsForceUnique();
+#else
+  ::google::protobuf::internal::InitProtobufDefaults();
+#endif  // GOOGLE_PROTOBUF_ENFORCE_UNIQUENESS
+  protobuf_google_2ffirestore_2fv1beta1_2fdocument_2eproto::InitDefaultsArrayValue();
+  {
+    void* ptr = &::google::firestore::v1beta1::_Cursor_default_instance_;
+    new (ptr) ::google::firestore::v1beta1::Cursor();
+    ::google::protobuf::internal::OnShutdownDestroyMessage(ptr);
+  }
+  ::google::firestore::v1beta1::Cursor::InitAsDefaultInstance();
+}
+
+void InitDefaultsCursor() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &InitDefaultsCursorImpl);
+}
+
+::google::protobuf::Metadata file_level_metadata[10];
+const ::google::protobuf::EnumDescriptor* file_level_enum_descriptors[4];
+
+const ::google::protobuf::uint32 TableStruct::offsets[] GOOGLE_PROTOBUF_ATTRIBUTE_SECTION_VARIABLE(protodesc_cold) = {
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_CollectionSelector, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_CollectionSelector, collection_id_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_CollectionSelector, all_descendants_),
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_Filter, _internal_metadata_),
+  ~0u,  // no _extensions_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_Filter, _oneof_case_[0]),
+  ~0u,  // no _weak_field_map_
+  offsetof(::google::firestore::v1beta1::StructuredQuery_FilterDefaultTypeInternal, composite_filter_),
+  offsetof(::google::firestore::v1beta1::StructuredQuery_FilterDefaultTypeInternal, field_filter_),
+  offsetof(::google::firestore::v1beta1::StructuredQuery_FilterDefaultTypeInternal, unary_filter_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_Filter, filter_type_),
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_CompositeFilter, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_CompositeFilter, op_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_CompositeFilter, filters_),
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_FieldFilter, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_FieldFilter, field_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_FieldFilter, op_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_FieldFilter, value_),
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_UnaryFilter, _internal_metadata_),
+  ~0u,  // no _extensions_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_UnaryFilter, _oneof_case_[0]),
+  ~0u,  // no _weak_field_map_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_UnaryFilter, op_),
+  offsetof(::google::firestore::v1beta1::StructuredQuery_UnaryFilterDefaultTypeInternal, field_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_UnaryFilter, operand_type_),
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_Order, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_Order, field_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_Order, direction_),
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_FieldReference, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_FieldReference, field_path_),
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_Projection, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery_Projection, fields_),
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery, select_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery, from_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery, where_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery, order_by_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery, start_at_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery, end_at_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery, offset_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::StructuredQuery, limit_),
+  ~0u,  // no _has_bits_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::Cursor, _internal_metadata_),
+  ~0u,  // no _extensions_
+  ~0u,  // no _oneof_case_
+  ~0u,  // no _weak_field_map_
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::Cursor, values_),
+  GOOGLE_PROTOBUF_GENERATED_MESSAGE_FIELD_OFFSET(::google::firestore::v1beta1::Cursor, before_),
+};
+static const ::google::protobuf::internal::MigrationSchema schemas[] GOOGLE_PROTOBUF_ATTRIBUTE_SECTION_VARIABLE(protodesc_cold) = {
+  { 0, -1, sizeof(::google::firestore::v1beta1::StructuredQuery_CollectionSelector)},
+  { 7, -1, sizeof(::google::firestore::v1beta1::StructuredQuery_Filter)},
+  { 16, -1, sizeof(::google::firestore::v1beta1::StructuredQuery_CompositeFilter)},
+  { 23, -1, sizeof(::google::firestore::v1beta1::StructuredQuery_FieldFilter)},
+  { 31, -1, sizeof(::google::firestore::v1beta1::StructuredQuery_UnaryFilter)},
+  { 39, -1, sizeof(::google::firestore::v1beta1::StructuredQuery_Order)},
+  { 46, -1, sizeof(::google::firestore::v1beta1::StructuredQuery_FieldReference)},
+  { 52, -1, sizeof(::google::firestore::v1beta1::StructuredQuery_Projection)},
+  { 58, -1, sizeof(::google::firestore::v1beta1::StructuredQuery)},
+  { 71, -1, sizeof(::google::firestore::v1beta1::Cursor)},
+};
+
+static ::google::protobuf::Message const * const file_default_instances[] = {
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_StructuredQuery_CollectionSelector_default_instance_),
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_StructuredQuery_Filter_default_instance_),
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_StructuredQuery_CompositeFilter_default_instance_),
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_StructuredQuery_FieldFilter_default_instance_),
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_StructuredQuery_UnaryFilter_default_instance_),
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_StructuredQuery_Order_default_instance_),
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_StructuredQuery_FieldReference_default_instance_),
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_StructuredQuery_Projection_default_instance_),
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_StructuredQuery_default_instance_),
+  reinterpret_cast<const ::google::protobuf::Message*>(&::google::firestore::v1beta1::_Cursor_default_instance_),
+};
+
+void protobuf_AssignDescriptors() {
+  AddDescriptors();
+  ::google::protobuf::MessageFactory* factory = NULL;
+  AssignDescriptors(
+      "google/firestore/v1beta1/query.proto", schemas, file_default_instances, TableStruct::offsets, factory,
+      file_level_metadata, file_level_enum_descriptors, NULL);
+}
+
+void protobuf_AssignDescriptorsOnce() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &protobuf_AssignDescriptors);
+}
+
+void protobuf_RegisterTypes(const ::std::string&) GOOGLE_PROTOBUF_ATTRIBUTE_COLD;
+void protobuf_RegisterTypes(const ::std::string&) {
+  protobuf_AssignDescriptorsOnce();
+  ::google::protobuf::internal::RegisterAllTypes(file_level_metadata, 10);
+}
+
+void AddDescriptorsImpl() {
+  InitDefaults();
+  static const char descriptor[] GOOGLE_PROTOBUF_ATTRIBUTE_SECTION_VARIABLE(protodesc_cold) = {
+      "\n$google/firestore/v1beta1/query.proto\022\030"
+      "google.firestore.v1beta1\032\034google/api/ann"
+      "otations.proto\032\'google/firestore/v1beta1"
+      "/document.proto\032\036google/protobuf/wrapper"
+      "s.proto\"\245\017\n\017StructuredQuery\022D\n\006select\030\001 "
+      "\001(\01324.google.firestore.v1beta1.Structure"
+      "dQuery.Projection\022J\n\004from\030\002 \003(\0132<.google"
+      ".firestore.v1beta1.StructuredQuery.Colle"
+      "ctionSelector\022\?\n\005where\030\003 \001(\01320.google.fi"
+      "restore.v1beta1.StructuredQuery.Filter\022A"
+      "\n\010order_by\030\004 \003(\0132/.google.firestore.v1be"
+      "ta1.StructuredQuery.Order\0222\n\010start_at\030\007 "
+      "\001(\0132 .google.firestore.v1beta1.Cursor\0220\n"
+      "\006end_at\030\010 \001(\0132 .google.firestore.v1beta1"
+      ".Cursor\022\016\n\006offset\030\006 \001(\005\022*\n\005limit\030\005 \001(\0132\033"
+      ".google.protobuf.Int32Value\032D\n\022Collectio"
+      "nSelector\022\025\n\rcollection_id\030\002 \001(\t\022\027\n\017all_"
+      "descendants\030\003 \001(\010\032\214\002\n\006Filter\022U\n\020composit"
+      "e_filter\030\001 \001(\01329.google.firestore.v1beta"
+      "1.StructuredQuery.CompositeFilterH\000\022M\n\014f"
+      "ield_filter\030\002 \001(\01325.google.firestore.v1b"
+      "eta1.StructuredQuery.FieldFilterH\000\022M\n\014un"
+      "ary_filter\030\003 \001(\01325.google.firestore.v1be"
+      "ta1.StructuredQuery.UnaryFilterH\000B\r\n\013fil"
+      "ter_type\032\323\001\n\017CompositeFilter\022N\n\002op\030\001 \001(\016"
+      "2B.google.firestore.v1beta1.StructuredQu"
+      "ery.CompositeFilter.Operator\022A\n\007filters\030"
+      "\002 \003(\01320.google.firestore.v1beta1.Structu"
+      "redQuery.Filter\"-\n\010Operator\022\030\n\024OPERATOR_"
+      "UNSPECIFIED\020\000\022\007\n\003AND\020\001\032\330\002\n\013FieldFilter\022G"
+      "\n\005field\030\001 \001(\01328.google.firestore.v1beta1"
+      ".StructuredQuery.FieldReference\022J\n\002op\030\002 "
+      "\001(\0162>.google.firestore.v1beta1.Structure"
+      "dQuery.FieldFilter.Operator\022.\n\005value\030\003 \001"
+      "(\0132\037.google.firestore.v1beta1.Value\"\203\001\n\010"
+      "Operator\022\030\n\024OPERATOR_UNSPECIFIED\020\000\022\r\n\tLE"
+      "SS_THAN\020\001\022\026\n\022LESS_THAN_OR_EQUAL\020\002\022\020\n\014GRE"
+      "ATER_THAN\020\003\022\031\n\025GREATER_THAN_OR_EQUAL\020\004\022\t"
+      "\n\005EQUAL\020\005\032\363\001\n\013UnaryFilter\022J\n\002op\030\001 \001(\0162>."
+      "google.firestore.v1beta1.StructuredQuery"
+      ".UnaryFilter.Operator\022I\n\005field\030\002 \001(\01328.g"
+      "oogle.firestore.v1beta1.StructuredQuery."
+      "FieldReferenceH\000\"=\n\010Operator\022\030\n\024OPERATOR"
+      "_UNSPECIFIED\020\000\022\n\n\006IS_NAN\020\002\022\013\n\007IS_NULL\020\003B"
+      "\016\n\014operand_type\032\230\001\n\005Order\022G\n\005field\030\001 \001(\013"
+      "28.google.firestore.v1beta1.StructuredQu"
+      "ery.FieldReference\022F\n\tdirection\030\002 \001(\01623."
+      "google.firestore.v1beta1.StructuredQuery"
+      ".Direction\032$\n\016FieldReference\022\022\n\nfield_pa"
+      "th\030\002 \001(\t\032V\n\nProjection\022H\n\006fields\030\002 \003(\01328"
+      ".google.firestore.v1beta1.StructuredQuer"
+      "y.FieldReference\"E\n\tDirection\022\031\n\025DIRECTI"
+      "ON_UNSPECIFIED\020\000\022\r\n\tASCENDING\020\001\022\016\n\nDESCE"
+      "NDING\020\002\"I\n\006Cursor\022/\n\006values\030\001 \003(\0132\037.goog"
+      "le.firestore.v1beta1.Value\022\016\n\006before\030\002 \001"
+      "(\010B\227\001\n\034com.google.firestore.v1beta1B\nQue"
+      "ryProtoP\001ZAgoogle.golang.org/genproto/go"
+      "ogleapis/firestore/v1beta1;firestore\242\002\004G"
+      "CFS\252\002\036Google.Cloud.Firestore.V1Beta1b\006pr"
+      "oto3"
+  };
+  ::google::protobuf::DescriptorPool::InternalAddGeneratedFile(
+      descriptor, 2364);
+  ::google::protobuf::MessageFactory::InternalRegisterGeneratedFile(
+    "google/firestore/v1beta1/query.proto", &protobuf_RegisterTypes);
+  ::protobuf_google_2fapi_2fannotations_2eproto::AddDescriptors();
+  ::protobuf_google_2ffirestore_2fv1beta1_2fdocument_2eproto::AddDescriptors();
+  ::protobuf_google_2fprotobuf_2fwrappers_2eproto::AddDescriptors();
+}
+
+void AddDescriptors() {
+  static GOOGLE_PROTOBUF_DECLARE_ONCE(once);
+  ::google::protobuf::GoogleOnceInit(&once, &AddDescriptorsImpl);
+}
+// Force AddDescriptors() to be called at dynamic initialization time.
+struct StaticDescriptorInitializer {
+  StaticDescriptorInitializer() {
+    AddDescriptors();
+  }
+} static_descriptor_initializer;
+}  // namespace protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto
+namespace google {
+namespace firestore {
+namespace v1beta1 {
+const ::google::protobuf::EnumDescriptor* StructuredQuery_CompositeFilter_Operator_descriptor() {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_enum_descriptors[0];
+}
+bool StructuredQuery_CompositeFilter_Operator_IsValid(int value) {
+  switch (value) {
+    case 0:
+    case 1:
+      return true;
+    default:
+      return false;
+  }
+}
+
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const StructuredQuery_CompositeFilter_Operator StructuredQuery_CompositeFilter::OPERATOR_UNSPECIFIED;
+const StructuredQuery_CompositeFilter_Operator StructuredQuery_CompositeFilter::AND;
+const StructuredQuery_CompositeFilter_Operator StructuredQuery_CompositeFilter::Operator_MIN;
+const StructuredQuery_CompositeFilter_Operator StructuredQuery_CompositeFilter::Operator_MAX;
+const int StructuredQuery_CompositeFilter::Operator_ARRAYSIZE;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+const ::google::protobuf::EnumDescriptor* StructuredQuery_FieldFilter_Operator_descriptor() {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_enum_descriptors[1];
+}
+bool StructuredQuery_FieldFilter_Operator_IsValid(int value) {
+  switch (value) {
+    case 0:
+    case 1:
+    case 2:
+    case 3:
+    case 4:
+    case 5:
+      return true;
+    default:
+      return false;
+  }
+}
+
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter::OPERATOR_UNSPECIFIED;
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter::LESS_THAN;
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter::LESS_THAN_OR_EQUAL;
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter::GREATER_THAN;
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter::GREATER_THAN_OR_EQUAL;
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter::EQUAL;
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter::Operator_MIN;
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter::Operator_MAX;
+const int StructuredQuery_FieldFilter::Operator_ARRAYSIZE;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+const ::google::protobuf::EnumDescriptor* StructuredQuery_UnaryFilter_Operator_descriptor() {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_enum_descriptors[2];
+}
+bool StructuredQuery_UnaryFilter_Operator_IsValid(int value) {
+  switch (value) {
+    case 0:
+    case 2:
+    case 3:
+      return true;
+    default:
+      return false;
+  }
+}
+
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const StructuredQuery_UnaryFilter_Operator StructuredQuery_UnaryFilter::OPERATOR_UNSPECIFIED;
+const StructuredQuery_UnaryFilter_Operator StructuredQuery_UnaryFilter::IS_NAN;
+const StructuredQuery_UnaryFilter_Operator StructuredQuery_UnaryFilter::IS_NULL;
+const StructuredQuery_UnaryFilter_Operator StructuredQuery_UnaryFilter::Operator_MIN;
+const StructuredQuery_UnaryFilter_Operator StructuredQuery_UnaryFilter::Operator_MAX;
+const int StructuredQuery_UnaryFilter::Operator_ARRAYSIZE;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+const ::google::protobuf::EnumDescriptor* StructuredQuery_Direction_descriptor() {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_enum_descriptors[3];
+}
+bool StructuredQuery_Direction_IsValid(int value) {
+  switch (value) {
+    case 0:
+    case 1:
+    case 2:
+      return true;
+    default:
+      return false;
+  }
+}
+
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const StructuredQuery_Direction StructuredQuery::DIRECTION_UNSPECIFIED;
+const StructuredQuery_Direction StructuredQuery::ASCENDING;
+const StructuredQuery_Direction StructuredQuery::DESCENDING;
+const StructuredQuery_Direction StructuredQuery::Direction_MIN;
+const StructuredQuery_Direction StructuredQuery::Direction_MAX;
+const int StructuredQuery::Direction_ARRAYSIZE;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+// ===================================================================
+
+void StructuredQuery_CollectionSelector::InitAsDefaultInstance() {
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int StructuredQuery_CollectionSelector::kCollectionIdFieldNumber;
+const int StructuredQuery_CollectionSelector::kAllDescendantsFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+StructuredQuery_CollectionSelector::StructuredQuery_CollectionSelector()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CollectionSelector();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+}
+StructuredQuery_CollectionSelector::StructuredQuery_CollectionSelector(const StructuredQuery_CollectionSelector& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  collection_id_.UnsafeSetDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  if (from.collection_id().size() > 0) {
+    collection_id_.AssignWithDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), from.collection_id_);
+  }
+  all_descendants_ = from.all_descendants_;
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+}
+
+void StructuredQuery_CollectionSelector::SharedCtor() {
+  collection_id_.UnsafeSetDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  all_descendants_ = false;
+  _cached_size_ = 0;
+}
+
+StructuredQuery_CollectionSelector::~StructuredQuery_CollectionSelector() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  SharedDtor();
+}
+
+void StructuredQuery_CollectionSelector::SharedDtor() {
+  collection_id_.DestroyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+}
+
+void StructuredQuery_CollectionSelector::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* StructuredQuery_CollectionSelector::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const StructuredQuery_CollectionSelector& StructuredQuery_CollectionSelector::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CollectionSelector();
+  return *internal_default_instance();
+}
+
+StructuredQuery_CollectionSelector* StructuredQuery_CollectionSelector::New(::google::protobuf::Arena* arena) const {
+  StructuredQuery_CollectionSelector* n = new StructuredQuery_CollectionSelector;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void StructuredQuery_CollectionSelector::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  collection_id_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  all_descendants_ = false;
+  _internal_metadata_.Clear();
+}
+
+bool StructuredQuery_CollectionSelector::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // string collection_id = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(18u /* 18 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->mutable_collection_id()));
+          DO_(::google::protobuf::internal::WireFormatLite::VerifyUtf8String(
+            this->collection_id().data(), static_cast<int>(this->collection_id().length()),
+            ::google::protobuf::internal::WireFormatLite::PARSE,
+            "google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id"));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // bool all_descendants = 3;
+      case 3: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(24u /* 24 & 0xFF */)) {
+
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
+                 input, &all_descendants_)));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  return false;
+#undef DO_
+}
+
+void StructuredQuery_CollectionSelector::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // string collection_id = 2;
+  if (this->collection_id().size() > 0) {
+    ::google::protobuf::internal::WireFormatLite::VerifyUtf8String(
+      this->collection_id().data(), static_cast<int>(this->collection_id().length()),
+      ::google::protobuf::internal::WireFormatLite::SERIALIZE,
+      "google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id");
+    ::google::protobuf::internal::WireFormatLite::WriteStringMaybeAliased(
+      2, this->collection_id(), output);
+  }
+
+  // bool all_descendants = 3;
+  if (this->all_descendants() != 0) {
+    ::google::protobuf::internal::WireFormatLite::WriteBool(3, this->all_descendants(), output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+}
+
+::google::protobuf::uint8* StructuredQuery_CollectionSelector::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // string collection_id = 2;
+  if (this->collection_id().size() > 0) {
+    ::google::protobuf::internal::WireFormatLite::VerifyUtf8String(
+      this->collection_id().data(), static_cast<int>(this->collection_id().length()),
+      ::google::protobuf::internal::WireFormatLite::SERIALIZE,
+      "google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id");
+    target =
+      ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
+        2, this->collection_id(), target);
+  }
+
+  // bool all_descendants = 3;
+  if (this->all_descendants() != 0) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(3, this->all_descendants(), target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  return target;
+}
+
+size_t StructuredQuery_CollectionSelector::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  // string collection_id = 2;
+  if (this->collection_id().size() > 0) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::StringSize(
+        this->collection_id());
+  }
+
+  // bool all_descendants = 3;
+  if (this->all_descendants() != 0) {
+    total_size += 1 + 1;
+  }
+
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void StructuredQuery_CollectionSelector::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StructuredQuery_CollectionSelector* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const StructuredQuery_CollectionSelector>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+    MergeFrom(*source);
+  }
+}
+
+void StructuredQuery_CollectionSelector::MergeFrom(const StructuredQuery_CollectionSelector& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (from.collection_id().size() > 0) {
+
+    collection_id_.AssignWithDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), from.collection_id_);
+  }
+  if (from.all_descendants() != 0) {
+    set_all_descendants(from.all_descendants());
+  }
+}
+
+void StructuredQuery_CollectionSelector::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StructuredQuery_CollectionSelector::CopyFrom(const StructuredQuery_CollectionSelector& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StructuredQuery_CollectionSelector::IsInitialized() const {
+  return true;
+}
+
+void StructuredQuery_CollectionSelector::Swap(StructuredQuery_CollectionSelector* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void StructuredQuery_CollectionSelector::InternalSwap(StructuredQuery_CollectionSelector* other) {
+  using std::swap;
+  collection_id_.Swap(&other->collection_id_);
+  swap(all_descendants_, other->all_descendants_);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata StructuredQuery_CollectionSelector::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// ===================================================================
+
+void StructuredQuery_Filter::InitAsDefaultInstance() {
+  ::google::firestore::v1beta1::_StructuredQuery_Filter_default_instance_.composite_filter_ = const_cast< ::google::firestore::v1beta1::StructuredQuery_CompositeFilter*>(
+      ::google::firestore::v1beta1::StructuredQuery_CompositeFilter::internal_default_instance());
+  ::google::firestore::v1beta1::_StructuredQuery_Filter_default_instance_.field_filter_ = const_cast< ::google::firestore::v1beta1::StructuredQuery_FieldFilter*>(
+      ::google::firestore::v1beta1::StructuredQuery_FieldFilter::internal_default_instance());
+  ::google::firestore::v1beta1::_StructuredQuery_Filter_default_instance_.unary_filter_ = const_cast< ::google::firestore::v1beta1::StructuredQuery_UnaryFilter*>(
+      ::google::firestore::v1beta1::StructuredQuery_UnaryFilter::internal_default_instance());
+}
+void StructuredQuery_Filter::set_allocated_composite_filter(::google::firestore::v1beta1::StructuredQuery_CompositeFilter* composite_filter) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  clear_filter_type();
+  if (composite_filter) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      composite_filter = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, composite_filter, submessage_arena);
+    }
+    set_has_composite_filter();
+    filter_type_.composite_filter_ = composite_filter;
+  }
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.Filter.composite_filter)
+}
+void StructuredQuery_Filter::set_allocated_field_filter(::google::firestore::v1beta1::StructuredQuery_FieldFilter* field_filter) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  clear_filter_type();
+  if (field_filter) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      field_filter = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, field_filter, submessage_arena);
+    }
+    set_has_field_filter();
+    filter_type_.field_filter_ = field_filter;
+  }
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.Filter.field_filter)
+}
+void StructuredQuery_Filter::set_allocated_unary_filter(::google::firestore::v1beta1::StructuredQuery_UnaryFilter* unary_filter) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  clear_filter_type();
+  if (unary_filter) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      unary_filter = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, unary_filter, submessage_arena);
+    }
+    set_has_unary_filter();
+    filter_type_.unary_filter_ = unary_filter;
+  }
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.Filter.unary_filter)
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int StructuredQuery_Filter::kCompositeFilterFieldNumber;
+const int StructuredQuery_Filter::kFieldFilterFieldNumber;
+const int StructuredQuery_Filter::kUnaryFilterFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+StructuredQuery_Filter::StructuredQuery_Filter()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CompositeFilter();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.StructuredQuery.Filter)
+}
+StructuredQuery_Filter::StructuredQuery_Filter(const StructuredQuery_Filter& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  clear_has_filter_type();
+  switch (from.filter_type_case()) {
+    case kCompositeFilter: {
+      mutable_composite_filter()->::google::firestore::v1beta1::StructuredQuery_CompositeFilter::MergeFrom(from.composite_filter());
+      break;
+    }
+    case kFieldFilter: {
+      mutable_field_filter()->::google::firestore::v1beta1::StructuredQuery_FieldFilter::MergeFrom(from.field_filter());
+      break;
+    }
+    case kUnaryFilter: {
+      mutable_unary_filter()->::google::firestore::v1beta1::StructuredQuery_UnaryFilter::MergeFrom(from.unary_filter());
+      break;
+    }
+    case FILTER_TYPE_NOT_SET: {
+      break;
+    }
+  }
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.StructuredQuery.Filter)
+}
+
+void StructuredQuery_Filter::SharedCtor() {
+  clear_has_filter_type();
+  _cached_size_ = 0;
+}
+
+StructuredQuery_Filter::~StructuredQuery_Filter() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.StructuredQuery.Filter)
+  SharedDtor();
+}
+
+void StructuredQuery_Filter::SharedDtor() {
+  if (has_filter_type()) {
+    clear_filter_type();
+  }
+}
+
+void StructuredQuery_Filter::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* StructuredQuery_Filter::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const StructuredQuery_Filter& StructuredQuery_Filter::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CompositeFilter();
+  return *internal_default_instance();
+}
+
+StructuredQuery_Filter* StructuredQuery_Filter::New(::google::protobuf::Arena* arena) const {
+  StructuredQuery_Filter* n = new StructuredQuery_Filter;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void StructuredQuery_Filter::clear_filter_type() {
+// @@protoc_insertion_point(one_of_clear_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  switch (filter_type_case()) {
+    case kCompositeFilter: {
+      delete filter_type_.composite_filter_;
+      break;
+    }
+    case kFieldFilter: {
+      delete filter_type_.field_filter_;
+      break;
+    }
+    case kUnaryFilter: {
+      delete filter_type_.unary_filter_;
+      break;
+    }
+    case FILTER_TYPE_NOT_SET: {
+      break;
+    }
+  }
+  _oneof_case_[0] = FILTER_TYPE_NOT_SET;
+}
+
+
+void StructuredQuery_Filter::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  clear_filter_type();
+  _internal_metadata_.Clear();
+}
+
+bool StructuredQuery_Filter::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // .google.firestore.v1beta1.StructuredQuery.CompositeFilter composite_filter = 1;
+      case 1: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(10u /* 10 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_composite_filter()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.firestore.v1beta1.StructuredQuery.FieldFilter field_filter = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(18u /* 18 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_field_filter()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.firestore.v1beta1.StructuredQuery.UnaryFilter unary_filter = 3;
+      case 3: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(26u /* 26 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_unary_filter()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.StructuredQuery.Filter)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.StructuredQuery.Filter)
+  return false;
+#undef DO_
+}
+
+void StructuredQuery_Filter::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.CompositeFilter composite_filter = 1;
+  if (has_composite_filter()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      1, *filter_type_.composite_filter_, output);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldFilter field_filter = 2;
+  if (has_field_filter()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      2, *filter_type_.field_filter_, output);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.UnaryFilter unary_filter = 3;
+  if (has_unary_filter()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      3, *filter_type_.unary_filter_, output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.StructuredQuery.Filter)
+}
+
+::google::protobuf::uint8* StructuredQuery_Filter::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.CompositeFilter composite_filter = 1;
+  if (has_composite_filter()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        1, *filter_type_.composite_filter_, deterministic, target);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldFilter field_filter = 2;
+  if (has_field_filter()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        2, *filter_type_.field_filter_, deterministic, target);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.UnaryFilter unary_filter = 3;
+  if (has_unary_filter()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        3, *filter_type_.unary_filter_, deterministic, target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.StructuredQuery.Filter)
+  return target;
+}
+
+size_t StructuredQuery_Filter::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  switch (filter_type_case()) {
+    // .google.firestore.v1beta1.StructuredQuery.CompositeFilter composite_filter = 1;
+    case kCompositeFilter: {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::MessageSize(
+          *filter_type_.composite_filter_);
+      break;
+    }
+    // .google.firestore.v1beta1.StructuredQuery.FieldFilter field_filter = 2;
+    case kFieldFilter: {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::MessageSize(
+          *filter_type_.field_filter_);
+      break;
+    }
+    // .google.firestore.v1beta1.StructuredQuery.UnaryFilter unary_filter = 3;
+    case kUnaryFilter: {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::MessageSize(
+          *filter_type_.unary_filter_);
+      break;
+    }
+    case FILTER_TYPE_NOT_SET: {
+      break;
+    }
+  }
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void StructuredQuery_Filter::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StructuredQuery_Filter* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const StructuredQuery_Filter>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.StructuredQuery.Filter)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.StructuredQuery.Filter)
+    MergeFrom(*source);
+  }
+}
+
+void StructuredQuery_Filter::MergeFrom(const StructuredQuery_Filter& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  switch (from.filter_type_case()) {
+    case kCompositeFilter: {
+      mutable_composite_filter()->::google::firestore::v1beta1::StructuredQuery_CompositeFilter::MergeFrom(from.composite_filter());
+      break;
+    }
+    case kFieldFilter: {
+      mutable_field_filter()->::google::firestore::v1beta1::StructuredQuery_FieldFilter::MergeFrom(from.field_filter());
+      break;
+    }
+    case kUnaryFilter: {
+      mutable_unary_filter()->::google::firestore::v1beta1::StructuredQuery_UnaryFilter::MergeFrom(from.unary_filter());
+      break;
+    }
+    case FILTER_TYPE_NOT_SET: {
+      break;
+    }
+  }
+}
+
+void StructuredQuery_Filter::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StructuredQuery_Filter::CopyFrom(const StructuredQuery_Filter& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.StructuredQuery.Filter)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StructuredQuery_Filter::IsInitialized() const {
+  return true;
+}
+
+void StructuredQuery_Filter::Swap(StructuredQuery_Filter* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void StructuredQuery_Filter::InternalSwap(StructuredQuery_Filter* other) {
+  using std::swap;
+  swap(filter_type_, other->filter_type_);
+  swap(_oneof_case_[0], other->_oneof_case_[0]);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata StructuredQuery_Filter::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// ===================================================================
+
+void StructuredQuery_CompositeFilter::InitAsDefaultInstance() {
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int StructuredQuery_CompositeFilter::kOpFieldNumber;
+const int StructuredQuery_CompositeFilter::kFiltersFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+StructuredQuery_CompositeFilter::StructuredQuery_CompositeFilter()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CompositeFilter();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+}
+StructuredQuery_CompositeFilter::StructuredQuery_CompositeFilter(const StructuredQuery_CompositeFilter& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      filters_(from.filters_),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  op_ = from.op_;
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+}
+
+void StructuredQuery_CompositeFilter::SharedCtor() {
+  op_ = 0;
+  _cached_size_ = 0;
+}
+
+StructuredQuery_CompositeFilter::~StructuredQuery_CompositeFilter() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  SharedDtor();
+}
+
+void StructuredQuery_CompositeFilter::SharedDtor() {
+}
+
+void StructuredQuery_CompositeFilter::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* StructuredQuery_CompositeFilter::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const StructuredQuery_CompositeFilter& StructuredQuery_CompositeFilter::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CompositeFilter();
+  return *internal_default_instance();
+}
+
+StructuredQuery_CompositeFilter* StructuredQuery_CompositeFilter::New(::google::protobuf::Arena* arena) const {
+  StructuredQuery_CompositeFilter* n = new StructuredQuery_CompositeFilter;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void StructuredQuery_CompositeFilter::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  filters_.Clear();
+  op_ = 0;
+  _internal_metadata_.Clear();
+}
+
+bool StructuredQuery_CompositeFilter::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // .google.firestore.v1beta1.StructuredQuery.CompositeFilter.Operator op = 1;
+      case 1: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(8u /* 8 & 0xFF */)) {
+          int value;
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   int, ::google::protobuf::internal::WireFormatLite::TYPE_ENUM>(
+                 input, &value)));
+          set_op(static_cast< ::google::firestore::v1beta1::StructuredQuery_CompositeFilter_Operator >(value));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // repeated .google.firestore.v1beta1.StructuredQuery.Filter filters = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(18u /* 18 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(input, add_filters()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  return false;
+#undef DO_
+}
+
+void StructuredQuery_CompositeFilter::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.CompositeFilter.Operator op = 1;
+  if (this->op() != 0) {
+    ::google::protobuf::internal::WireFormatLite::WriteEnum(
+      1, this->op(), output);
+  }
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.Filter filters = 2;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->filters_size()); i < n; i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      2, this->filters(static_cast<int>(i)), output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+}
+
+::google::protobuf::uint8* StructuredQuery_CompositeFilter::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.CompositeFilter.Operator op = 1;
+  if (this->op() != 0) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(
+      1, this->op(), target);
+  }
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.Filter filters = 2;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->filters_size()); i < n; i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        2, this->filters(static_cast<int>(i)), deterministic, target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  return target;
+}
+
+size_t StructuredQuery_CompositeFilter::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  // repeated .google.firestore.v1beta1.StructuredQuery.Filter filters = 2;
+  {
+    unsigned int count = static_cast<unsigned int>(this->filters_size());
+    total_size += 1UL * count;
+    for (unsigned int i = 0; i < count; i++) {
+      total_size +=
+        ::google::protobuf::internal::WireFormatLite::MessageSize(
+          this->filters(static_cast<int>(i)));
+    }
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.CompositeFilter.Operator op = 1;
+  if (this->op() != 0) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::EnumSize(this->op());
+  }
+
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void StructuredQuery_CompositeFilter::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StructuredQuery_CompositeFilter* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const StructuredQuery_CompositeFilter>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+    MergeFrom(*source);
+  }
+}
+
+void StructuredQuery_CompositeFilter::MergeFrom(const StructuredQuery_CompositeFilter& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  filters_.MergeFrom(from.filters_);
+  if (from.op() != 0) {
+    set_op(from.op());
+  }
+}
+
+void StructuredQuery_CompositeFilter::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StructuredQuery_CompositeFilter::CopyFrom(const StructuredQuery_CompositeFilter& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StructuredQuery_CompositeFilter::IsInitialized() const {
+  return true;
+}
+
+void StructuredQuery_CompositeFilter::Swap(StructuredQuery_CompositeFilter* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void StructuredQuery_CompositeFilter::InternalSwap(StructuredQuery_CompositeFilter* other) {
+  using std::swap;
+  filters_.InternalSwap(&other->filters_);
+  swap(op_, other->op_);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata StructuredQuery_CompositeFilter::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// ===================================================================
+
+void StructuredQuery_FieldFilter::InitAsDefaultInstance() {
+  ::google::firestore::v1beta1::_StructuredQuery_FieldFilter_default_instance_._instance.get_mutable()->field_ = const_cast< ::google::firestore::v1beta1::StructuredQuery_FieldReference*>(
+      ::google::firestore::v1beta1::StructuredQuery_FieldReference::internal_default_instance());
+  ::google::firestore::v1beta1::_StructuredQuery_FieldFilter_default_instance_._instance.get_mutable()->value_ = const_cast< ::google::firestore::v1beta1::Value*>(
+      ::google::firestore::v1beta1::Value::internal_default_instance());
+}
+void StructuredQuery_FieldFilter::clear_value() {
+  if (GetArenaNoVirtual() == NULL && value_ != NULL) {
+    delete value_;
+  }
+  value_ = NULL;
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int StructuredQuery_FieldFilter::kFieldFieldNumber;
+const int StructuredQuery_FieldFilter::kOpFieldNumber;
+const int StructuredQuery_FieldFilter::kValueFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+StructuredQuery_FieldFilter::StructuredQuery_FieldFilter()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldFilter();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+}
+StructuredQuery_FieldFilter::StructuredQuery_FieldFilter(const StructuredQuery_FieldFilter& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  if (from.has_field()) {
+    field_ = new ::google::firestore::v1beta1::StructuredQuery_FieldReference(*from.field_);
+  } else {
+    field_ = NULL;
+  }
+  if (from.has_value()) {
+    value_ = new ::google::firestore::v1beta1::Value(*from.value_);
+  } else {
+    value_ = NULL;
+  }
+  op_ = from.op_;
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+}
+
+void StructuredQuery_FieldFilter::SharedCtor() {
+  ::memset(&field_, 0, static_cast<size_t>(
+      reinterpret_cast<char*>(&op_) -
+      reinterpret_cast<char*>(&field_)) + sizeof(op_));
+  _cached_size_ = 0;
+}
+
+StructuredQuery_FieldFilter::~StructuredQuery_FieldFilter() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  SharedDtor();
+}
+
+void StructuredQuery_FieldFilter::SharedDtor() {
+  if (this != internal_default_instance()) delete field_;
+  if (this != internal_default_instance()) delete value_;
+}
+
+void StructuredQuery_FieldFilter::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* StructuredQuery_FieldFilter::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const StructuredQuery_FieldFilter& StructuredQuery_FieldFilter::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldFilter();
+  return *internal_default_instance();
+}
+
+StructuredQuery_FieldFilter* StructuredQuery_FieldFilter::New(::google::protobuf::Arena* arena) const {
+  StructuredQuery_FieldFilter* n = new StructuredQuery_FieldFilter;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void StructuredQuery_FieldFilter::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  if (GetArenaNoVirtual() == NULL && field_ != NULL) {
+    delete field_;
+  }
+  field_ = NULL;
+  if (GetArenaNoVirtual() == NULL && value_ != NULL) {
+    delete value_;
+  }
+  value_ = NULL;
+  op_ = 0;
+  _internal_metadata_.Clear();
+}
+
+bool StructuredQuery_FieldFilter::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+      case 1: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(10u /* 10 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_field()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.firestore.v1beta1.StructuredQuery.FieldFilter.Operator op = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(16u /* 16 & 0xFF */)) {
+          int value;
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   int, ::google::protobuf::internal::WireFormatLite::TYPE_ENUM>(
+                 input, &value)));
+          set_op(static_cast< ::google::firestore::v1beta1::StructuredQuery_FieldFilter_Operator >(value));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.firestore.v1beta1.Value value = 3;
+      case 3: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(26u /* 26 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_value()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  return false;
+#undef DO_
+}
+
+void StructuredQuery_FieldFilter::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+  if (this->has_field()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      1, *this->field_, output);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldFilter.Operator op = 2;
+  if (this->op() != 0) {
+    ::google::protobuf::internal::WireFormatLite::WriteEnum(
+      2, this->op(), output);
+  }
+
+  // .google.firestore.v1beta1.Value value = 3;
+  if (this->has_value()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      3, *this->value_, output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+}
+
+::google::protobuf::uint8* StructuredQuery_FieldFilter::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+  if (this->has_field()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        1, *this->field_, deterministic, target);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldFilter.Operator op = 2;
+  if (this->op() != 0) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(
+      2, this->op(), target);
+  }
+
+  // .google.firestore.v1beta1.Value value = 3;
+  if (this->has_value()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        3, *this->value_, deterministic, target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  return target;
+}
+
+size_t StructuredQuery_FieldFilter::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+  if (this->has_field()) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::MessageSize(
+        *this->field_);
+  }
+
+  // .google.firestore.v1beta1.Value value = 3;
+  if (this->has_value()) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::MessageSize(
+        *this->value_);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldFilter.Operator op = 2;
+  if (this->op() != 0) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::EnumSize(this->op());
+  }
+
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void StructuredQuery_FieldFilter::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StructuredQuery_FieldFilter* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const StructuredQuery_FieldFilter>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+    MergeFrom(*source);
+  }
+}
+
+void StructuredQuery_FieldFilter::MergeFrom(const StructuredQuery_FieldFilter& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (from.has_field()) {
+    mutable_field()->::google::firestore::v1beta1::StructuredQuery_FieldReference::MergeFrom(from.field());
+  }
+  if (from.has_value()) {
+    mutable_value()->::google::firestore::v1beta1::Value::MergeFrom(from.value());
+  }
+  if (from.op() != 0) {
+    set_op(from.op());
+  }
+}
+
+void StructuredQuery_FieldFilter::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StructuredQuery_FieldFilter::CopyFrom(const StructuredQuery_FieldFilter& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StructuredQuery_FieldFilter::IsInitialized() const {
+  return true;
+}
+
+void StructuredQuery_FieldFilter::Swap(StructuredQuery_FieldFilter* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void StructuredQuery_FieldFilter::InternalSwap(StructuredQuery_FieldFilter* other) {
+  using std::swap;
+  swap(field_, other->field_);
+  swap(value_, other->value_);
+  swap(op_, other->op_);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata StructuredQuery_FieldFilter::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// ===================================================================
+
+void StructuredQuery_UnaryFilter::InitAsDefaultInstance() {
+  ::google::firestore::v1beta1::_StructuredQuery_UnaryFilter_default_instance_.field_ = const_cast< ::google::firestore::v1beta1::StructuredQuery_FieldReference*>(
+      ::google::firestore::v1beta1::StructuredQuery_FieldReference::internal_default_instance());
+}
+void StructuredQuery_UnaryFilter::set_allocated_field(::google::firestore::v1beta1::StructuredQuery_FieldReference* field) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  clear_operand_type();
+  if (field) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      field = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, field, submessage_arena);
+    }
+    set_has_field();
+    operand_type_.field_ = field;
+  }
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.UnaryFilter.field)
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int StructuredQuery_UnaryFilter::kOpFieldNumber;
+const int StructuredQuery_UnaryFilter::kFieldFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+StructuredQuery_UnaryFilter::StructuredQuery_UnaryFilter()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_UnaryFilter();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+}
+StructuredQuery_UnaryFilter::StructuredQuery_UnaryFilter(const StructuredQuery_UnaryFilter& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  op_ = from.op_;
+  clear_has_operand_type();
+  switch (from.operand_type_case()) {
+    case kField: {
+      mutable_field()->::google::firestore::v1beta1::StructuredQuery_FieldReference::MergeFrom(from.field());
+      break;
+    }
+    case OPERAND_TYPE_NOT_SET: {
+      break;
+    }
+  }
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+}
+
+void StructuredQuery_UnaryFilter::SharedCtor() {
+  op_ = 0;
+  clear_has_operand_type();
+  _cached_size_ = 0;
+}
+
+StructuredQuery_UnaryFilter::~StructuredQuery_UnaryFilter() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  SharedDtor();
+}
+
+void StructuredQuery_UnaryFilter::SharedDtor() {
+  if (has_operand_type()) {
+    clear_operand_type();
+  }
+}
+
+void StructuredQuery_UnaryFilter::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* StructuredQuery_UnaryFilter::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const StructuredQuery_UnaryFilter& StructuredQuery_UnaryFilter::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_UnaryFilter();
+  return *internal_default_instance();
+}
+
+StructuredQuery_UnaryFilter* StructuredQuery_UnaryFilter::New(::google::protobuf::Arena* arena) const {
+  StructuredQuery_UnaryFilter* n = new StructuredQuery_UnaryFilter;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void StructuredQuery_UnaryFilter::clear_operand_type() {
+// @@protoc_insertion_point(one_of_clear_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  switch (operand_type_case()) {
+    case kField: {
+      delete operand_type_.field_;
+      break;
+    }
+    case OPERAND_TYPE_NOT_SET: {
+      break;
+    }
+  }
+  _oneof_case_[0] = OPERAND_TYPE_NOT_SET;
+}
+
+
+void StructuredQuery_UnaryFilter::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  op_ = 0;
+  clear_operand_type();
+  _internal_metadata_.Clear();
+}
+
+bool StructuredQuery_UnaryFilter::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // .google.firestore.v1beta1.StructuredQuery.UnaryFilter.Operator op = 1;
+      case 1: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(8u /* 8 & 0xFF */)) {
+          int value;
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   int, ::google::protobuf::internal::WireFormatLite::TYPE_ENUM>(
+                 input, &value)));
+          set_op(static_cast< ::google::firestore::v1beta1::StructuredQuery_UnaryFilter_Operator >(value));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(18u /* 18 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_field()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  return false;
+#undef DO_
+}
+
+void StructuredQuery_UnaryFilter::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.UnaryFilter.Operator op = 1;
+  if (this->op() != 0) {
+    ::google::protobuf::internal::WireFormatLite::WriteEnum(
+      1, this->op(), output);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 2;
+  if (has_field()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      2, *operand_type_.field_, output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+}
+
+::google::protobuf::uint8* StructuredQuery_UnaryFilter::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.UnaryFilter.Operator op = 1;
+  if (this->op() != 0) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(
+      1, this->op(), target);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 2;
+  if (has_field()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        2, *operand_type_.field_, deterministic, target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  return target;
+}
+
+size_t StructuredQuery_UnaryFilter::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  // .google.firestore.v1beta1.StructuredQuery.UnaryFilter.Operator op = 1;
+  if (this->op() != 0) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::EnumSize(this->op());
+  }
+
+  switch (operand_type_case()) {
+    // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 2;
+    case kField: {
+      total_size += 1 +
+        ::google::protobuf::internal::WireFormatLite::MessageSize(
+          *operand_type_.field_);
+      break;
+    }
+    case OPERAND_TYPE_NOT_SET: {
+      break;
+    }
+  }
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void StructuredQuery_UnaryFilter::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StructuredQuery_UnaryFilter* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const StructuredQuery_UnaryFilter>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+    MergeFrom(*source);
+  }
+}
+
+void StructuredQuery_UnaryFilter::MergeFrom(const StructuredQuery_UnaryFilter& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (from.op() != 0) {
+    set_op(from.op());
+  }
+  switch (from.operand_type_case()) {
+    case kField: {
+      mutable_field()->::google::firestore::v1beta1::StructuredQuery_FieldReference::MergeFrom(from.field());
+      break;
+    }
+    case OPERAND_TYPE_NOT_SET: {
+      break;
+    }
+  }
+}
+
+void StructuredQuery_UnaryFilter::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StructuredQuery_UnaryFilter::CopyFrom(const StructuredQuery_UnaryFilter& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StructuredQuery_UnaryFilter::IsInitialized() const {
+  return true;
+}
+
+void StructuredQuery_UnaryFilter::Swap(StructuredQuery_UnaryFilter* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void StructuredQuery_UnaryFilter::InternalSwap(StructuredQuery_UnaryFilter* other) {
+  using std::swap;
+  swap(op_, other->op_);
+  swap(operand_type_, other->operand_type_);
+  swap(_oneof_case_[0], other->_oneof_case_[0]);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata StructuredQuery_UnaryFilter::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// ===================================================================
+
+void StructuredQuery_Order::InitAsDefaultInstance() {
+  ::google::firestore::v1beta1::_StructuredQuery_Order_default_instance_._instance.get_mutable()->field_ = const_cast< ::google::firestore::v1beta1::StructuredQuery_FieldReference*>(
+      ::google::firestore::v1beta1::StructuredQuery_FieldReference::internal_default_instance());
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int StructuredQuery_Order::kFieldFieldNumber;
+const int StructuredQuery_Order::kDirectionFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+StructuredQuery_Order::StructuredQuery_Order()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_Order();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.StructuredQuery.Order)
+}
+StructuredQuery_Order::StructuredQuery_Order(const StructuredQuery_Order& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  if (from.has_field()) {
+    field_ = new ::google::firestore::v1beta1::StructuredQuery_FieldReference(*from.field_);
+  } else {
+    field_ = NULL;
+  }
+  direction_ = from.direction_;
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.StructuredQuery.Order)
+}
+
+void StructuredQuery_Order::SharedCtor() {
+  ::memset(&field_, 0, static_cast<size_t>(
+      reinterpret_cast<char*>(&direction_) -
+      reinterpret_cast<char*>(&field_)) + sizeof(direction_));
+  _cached_size_ = 0;
+}
+
+StructuredQuery_Order::~StructuredQuery_Order() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.StructuredQuery.Order)
+  SharedDtor();
+}
+
+void StructuredQuery_Order::SharedDtor() {
+  if (this != internal_default_instance()) delete field_;
+}
+
+void StructuredQuery_Order::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* StructuredQuery_Order::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const StructuredQuery_Order& StructuredQuery_Order::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_Order();
+  return *internal_default_instance();
+}
+
+StructuredQuery_Order* StructuredQuery_Order::New(::google::protobuf::Arena* arena) const {
+  StructuredQuery_Order* n = new StructuredQuery_Order;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void StructuredQuery_Order::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.StructuredQuery.Order)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  if (GetArenaNoVirtual() == NULL && field_ != NULL) {
+    delete field_;
+  }
+  field_ = NULL;
+  direction_ = 0;
+  _internal_metadata_.Clear();
+}
+
+bool StructuredQuery_Order::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.StructuredQuery.Order)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+      case 1: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(10u /* 10 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_field()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.firestore.v1beta1.StructuredQuery.Direction direction = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(16u /* 16 & 0xFF */)) {
+          int value;
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   int, ::google::protobuf::internal::WireFormatLite::TYPE_ENUM>(
+                 input, &value)));
+          set_direction(static_cast< ::google::firestore::v1beta1::StructuredQuery_Direction >(value));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.StructuredQuery.Order)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.StructuredQuery.Order)
+  return false;
+#undef DO_
+}
+
+void StructuredQuery_Order::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.StructuredQuery.Order)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+  if (this->has_field()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      1, *this->field_, output);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.Direction direction = 2;
+  if (this->direction() != 0) {
+    ::google::protobuf::internal::WireFormatLite::WriteEnum(
+      2, this->direction(), output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.StructuredQuery.Order)
+}
+
+::google::protobuf::uint8* StructuredQuery_Order::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.StructuredQuery.Order)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+  if (this->has_field()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        1, *this->field_, deterministic, target);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.Direction direction = 2;
+  if (this->direction() != 0) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(
+      2, this->direction(), target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.StructuredQuery.Order)
+  return target;
+}
+
+size_t StructuredQuery_Order::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.StructuredQuery.Order)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+  if (this->has_field()) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::MessageSize(
+        *this->field_);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.Direction direction = 2;
+  if (this->direction() != 0) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::EnumSize(this->direction());
+  }
+
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void StructuredQuery_Order::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.StructuredQuery.Order)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StructuredQuery_Order* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const StructuredQuery_Order>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.StructuredQuery.Order)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.StructuredQuery.Order)
+    MergeFrom(*source);
+  }
+}
+
+void StructuredQuery_Order::MergeFrom(const StructuredQuery_Order& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.StructuredQuery.Order)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (from.has_field()) {
+    mutable_field()->::google::firestore::v1beta1::StructuredQuery_FieldReference::MergeFrom(from.field());
+  }
+  if (from.direction() != 0) {
+    set_direction(from.direction());
+  }
+}
+
+void StructuredQuery_Order::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.StructuredQuery.Order)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StructuredQuery_Order::CopyFrom(const StructuredQuery_Order& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.StructuredQuery.Order)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StructuredQuery_Order::IsInitialized() const {
+  return true;
+}
+
+void StructuredQuery_Order::Swap(StructuredQuery_Order* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void StructuredQuery_Order::InternalSwap(StructuredQuery_Order* other) {
+  using std::swap;
+  swap(field_, other->field_);
+  swap(direction_, other->direction_);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata StructuredQuery_Order::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// ===================================================================
+
+void StructuredQuery_FieldReference::InitAsDefaultInstance() {
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int StructuredQuery_FieldReference::kFieldPathFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+StructuredQuery_FieldReference::StructuredQuery_FieldReference()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldReference();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.StructuredQuery.FieldReference)
+}
+StructuredQuery_FieldReference::StructuredQuery_FieldReference(const StructuredQuery_FieldReference& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  field_path_.UnsafeSetDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  if (from.field_path().size() > 0) {
+    field_path_.AssignWithDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), from.field_path_);
+  }
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.StructuredQuery.FieldReference)
+}
+
+void StructuredQuery_FieldReference::SharedCtor() {
+  field_path_.UnsafeSetDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  _cached_size_ = 0;
+}
+
+StructuredQuery_FieldReference::~StructuredQuery_FieldReference() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  SharedDtor();
+}
+
+void StructuredQuery_FieldReference::SharedDtor() {
+  field_path_.DestroyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+}
+
+void StructuredQuery_FieldReference::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* StructuredQuery_FieldReference::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const StructuredQuery_FieldReference& StructuredQuery_FieldReference::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldReference();
+  return *internal_default_instance();
+}
+
+StructuredQuery_FieldReference* StructuredQuery_FieldReference::New(::google::protobuf::Arena* arena) const {
+  StructuredQuery_FieldReference* n = new StructuredQuery_FieldReference;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void StructuredQuery_FieldReference::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  field_path_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+  _internal_metadata_.Clear();
+}
+
+bool StructuredQuery_FieldReference::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // string field_path = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(18u /* 18 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadString(
+                input, this->mutable_field_path()));
+          DO_(::google::protobuf::internal::WireFormatLite::VerifyUtf8String(
+            this->field_path().data(), static_cast<int>(this->field_path().length()),
+            ::google::protobuf::internal::WireFormatLite::PARSE,
+            "google.firestore.v1beta1.StructuredQuery.FieldReference.field_path"));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  return false;
+#undef DO_
+}
+
+void StructuredQuery_FieldReference::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // string field_path = 2;
+  if (this->field_path().size() > 0) {
+    ::google::protobuf::internal::WireFormatLite::VerifyUtf8String(
+      this->field_path().data(), static_cast<int>(this->field_path().length()),
+      ::google::protobuf::internal::WireFormatLite::SERIALIZE,
+      "google.firestore.v1beta1.StructuredQuery.FieldReference.field_path");
+    ::google::protobuf::internal::WireFormatLite::WriteStringMaybeAliased(
+      2, this->field_path(), output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.StructuredQuery.FieldReference)
+}
+
+::google::protobuf::uint8* StructuredQuery_FieldReference::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // string field_path = 2;
+  if (this->field_path().size() > 0) {
+    ::google::protobuf::internal::WireFormatLite::VerifyUtf8String(
+      this->field_path().data(), static_cast<int>(this->field_path().length()),
+      ::google::protobuf::internal::WireFormatLite::SERIALIZE,
+      "google.firestore.v1beta1.StructuredQuery.FieldReference.field_path");
+    target =
+      ::google::protobuf::internal::WireFormatLite::WriteStringToArray(
+        2, this->field_path(), target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  return target;
+}
+
+size_t StructuredQuery_FieldReference::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  // string field_path = 2;
+  if (this->field_path().size() > 0) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::StringSize(
+        this->field_path());
+  }
+
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void StructuredQuery_FieldReference::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StructuredQuery_FieldReference* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const StructuredQuery_FieldReference>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.StructuredQuery.FieldReference)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.StructuredQuery.FieldReference)
+    MergeFrom(*source);
+  }
+}
+
+void StructuredQuery_FieldReference::MergeFrom(const StructuredQuery_FieldReference& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  if (from.field_path().size() > 0) {
+
+    field_path_.AssignWithDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), from.field_path_);
+  }
+}
+
+void StructuredQuery_FieldReference::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StructuredQuery_FieldReference::CopyFrom(const StructuredQuery_FieldReference& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.StructuredQuery.FieldReference)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StructuredQuery_FieldReference::IsInitialized() const {
+  return true;
+}
+
+void StructuredQuery_FieldReference::Swap(StructuredQuery_FieldReference* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void StructuredQuery_FieldReference::InternalSwap(StructuredQuery_FieldReference* other) {
+  using std::swap;
+  field_path_.Swap(&other->field_path_);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata StructuredQuery_FieldReference::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// ===================================================================
+
+void StructuredQuery_Projection::InitAsDefaultInstance() {
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int StructuredQuery_Projection::kFieldsFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+StructuredQuery_Projection::StructuredQuery_Projection()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_Projection();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.StructuredQuery.Projection)
+}
+StructuredQuery_Projection::StructuredQuery_Projection(const StructuredQuery_Projection& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      fields_(from.fields_),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.StructuredQuery.Projection)
+}
+
+void StructuredQuery_Projection::SharedCtor() {
+  _cached_size_ = 0;
+}
+
+StructuredQuery_Projection::~StructuredQuery_Projection() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.StructuredQuery.Projection)
+  SharedDtor();
+}
+
+void StructuredQuery_Projection::SharedDtor() {
+}
+
+void StructuredQuery_Projection::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* StructuredQuery_Projection::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const StructuredQuery_Projection& StructuredQuery_Projection::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_Projection();
+  return *internal_default_instance();
+}
+
+StructuredQuery_Projection* StructuredQuery_Projection::New(::google::protobuf::Arena* arena) const {
+  StructuredQuery_Projection* n = new StructuredQuery_Projection;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void StructuredQuery_Projection::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.StructuredQuery.Projection)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  fields_.Clear();
+  _internal_metadata_.Clear();
+}
+
+bool StructuredQuery_Projection::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.StructuredQuery.Projection)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // repeated .google.firestore.v1beta1.StructuredQuery.FieldReference fields = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(18u /* 18 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(input, add_fields()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.StructuredQuery.Projection)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.StructuredQuery.Projection)
+  return false;
+#undef DO_
+}
+
+void StructuredQuery_Projection::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.StructuredQuery.Projection)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.FieldReference fields = 2;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->fields_size()); i < n; i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      2, this->fields(static_cast<int>(i)), output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.StructuredQuery.Projection)
+}
+
+::google::protobuf::uint8* StructuredQuery_Projection::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.StructuredQuery.Projection)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.FieldReference fields = 2;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->fields_size()); i < n; i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        2, this->fields(static_cast<int>(i)), deterministic, target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.StructuredQuery.Projection)
+  return target;
+}
+
+size_t StructuredQuery_Projection::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.StructuredQuery.Projection)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  // repeated .google.firestore.v1beta1.StructuredQuery.FieldReference fields = 2;
+  {
+    unsigned int count = static_cast<unsigned int>(this->fields_size());
+    total_size += 1UL * count;
+    for (unsigned int i = 0; i < count; i++) {
+      total_size +=
+        ::google::protobuf::internal::WireFormatLite::MessageSize(
+          this->fields(static_cast<int>(i)));
+    }
+  }
+
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void StructuredQuery_Projection::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.StructuredQuery.Projection)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StructuredQuery_Projection* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const StructuredQuery_Projection>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.StructuredQuery.Projection)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.StructuredQuery.Projection)
+    MergeFrom(*source);
+  }
+}
+
+void StructuredQuery_Projection::MergeFrom(const StructuredQuery_Projection& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.StructuredQuery.Projection)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  fields_.MergeFrom(from.fields_);
+}
+
+void StructuredQuery_Projection::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.StructuredQuery.Projection)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StructuredQuery_Projection::CopyFrom(const StructuredQuery_Projection& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.StructuredQuery.Projection)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StructuredQuery_Projection::IsInitialized() const {
+  return true;
+}
+
+void StructuredQuery_Projection::Swap(StructuredQuery_Projection* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void StructuredQuery_Projection::InternalSwap(StructuredQuery_Projection* other) {
+  using std::swap;
+  fields_.InternalSwap(&other->fields_);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata StructuredQuery_Projection::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// ===================================================================
+
+void StructuredQuery::InitAsDefaultInstance() {
+  ::google::firestore::v1beta1::_StructuredQuery_default_instance_._instance.get_mutable()->select_ = const_cast< ::google::firestore::v1beta1::StructuredQuery_Projection*>(
+      ::google::firestore::v1beta1::StructuredQuery_Projection::internal_default_instance());
+  ::google::firestore::v1beta1::_StructuredQuery_default_instance_._instance.get_mutable()->where_ = const_cast< ::google::firestore::v1beta1::StructuredQuery_Filter*>(
+      ::google::firestore::v1beta1::StructuredQuery_Filter::internal_default_instance());
+  ::google::firestore::v1beta1::_StructuredQuery_default_instance_._instance.get_mutable()->start_at_ = const_cast< ::google::firestore::v1beta1::Cursor*>(
+      ::google::firestore::v1beta1::Cursor::internal_default_instance());
+  ::google::firestore::v1beta1::_StructuredQuery_default_instance_._instance.get_mutable()->end_at_ = const_cast< ::google::firestore::v1beta1::Cursor*>(
+      ::google::firestore::v1beta1::Cursor::internal_default_instance());
+  ::google::firestore::v1beta1::_StructuredQuery_default_instance_._instance.get_mutable()->limit_ = const_cast< ::google::protobuf::Int32Value*>(
+      ::google::protobuf::Int32Value::internal_default_instance());
+}
+void StructuredQuery::clear_limit() {
+  if (GetArenaNoVirtual() == NULL && limit_ != NULL) {
+    delete limit_;
+  }
+  limit_ = NULL;
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int StructuredQuery::kSelectFieldNumber;
+const int StructuredQuery::kFromFieldNumber;
+const int StructuredQuery::kWhereFieldNumber;
+const int StructuredQuery::kOrderByFieldNumber;
+const int StructuredQuery::kStartAtFieldNumber;
+const int StructuredQuery::kEndAtFieldNumber;
+const int StructuredQuery::kOffsetFieldNumber;
+const int StructuredQuery::kLimitFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+StructuredQuery::StructuredQuery()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.StructuredQuery)
+}
+StructuredQuery::StructuredQuery(const StructuredQuery& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      from_(from.from_),
+      order_by_(from.order_by_),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  if (from.has_select()) {
+    select_ = new ::google::firestore::v1beta1::StructuredQuery_Projection(*from.select_);
+  } else {
+    select_ = NULL;
+  }
+  if (from.has_where()) {
+    where_ = new ::google::firestore::v1beta1::StructuredQuery_Filter(*from.where_);
+  } else {
+    where_ = NULL;
+  }
+  if (from.has_limit()) {
+    limit_ = new ::google::protobuf::Int32Value(*from.limit_);
+  } else {
+    limit_ = NULL;
+  }
+  if (from.has_start_at()) {
+    start_at_ = new ::google::firestore::v1beta1::Cursor(*from.start_at_);
+  } else {
+    start_at_ = NULL;
+  }
+  if (from.has_end_at()) {
+    end_at_ = new ::google::firestore::v1beta1::Cursor(*from.end_at_);
+  } else {
+    end_at_ = NULL;
+  }
+  offset_ = from.offset_;
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.StructuredQuery)
+}
+
+void StructuredQuery::SharedCtor() {
+  ::memset(&select_, 0, static_cast<size_t>(
+      reinterpret_cast<char*>(&offset_) -
+      reinterpret_cast<char*>(&select_)) + sizeof(offset_));
+  _cached_size_ = 0;
+}
+
+StructuredQuery::~StructuredQuery() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.StructuredQuery)
+  SharedDtor();
+}
+
+void StructuredQuery::SharedDtor() {
+  if (this != internal_default_instance()) delete select_;
+  if (this != internal_default_instance()) delete where_;
+  if (this != internal_default_instance()) delete limit_;
+  if (this != internal_default_instance()) delete start_at_;
+  if (this != internal_default_instance()) delete end_at_;
+}
+
+void StructuredQuery::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* StructuredQuery::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const StructuredQuery& StructuredQuery::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery();
+  return *internal_default_instance();
+}
+
+StructuredQuery* StructuredQuery::New(::google::protobuf::Arena* arena) const {
+  StructuredQuery* n = new StructuredQuery;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void StructuredQuery::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.StructuredQuery)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  from_.Clear();
+  order_by_.Clear();
+  if (GetArenaNoVirtual() == NULL && select_ != NULL) {
+    delete select_;
+  }
+  select_ = NULL;
+  if (GetArenaNoVirtual() == NULL && where_ != NULL) {
+    delete where_;
+  }
+  where_ = NULL;
+  if (GetArenaNoVirtual() == NULL && limit_ != NULL) {
+    delete limit_;
+  }
+  limit_ = NULL;
+  if (GetArenaNoVirtual() == NULL && start_at_ != NULL) {
+    delete start_at_;
+  }
+  start_at_ = NULL;
+  if (GetArenaNoVirtual() == NULL && end_at_ != NULL) {
+    delete end_at_;
+  }
+  end_at_ = NULL;
+  offset_ = 0;
+  _internal_metadata_.Clear();
+}
+
+bool StructuredQuery::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.StructuredQuery)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // .google.firestore.v1beta1.StructuredQuery.Projection select = 1;
+      case 1: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(10u /* 10 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_select()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // repeated .google.firestore.v1beta1.StructuredQuery.CollectionSelector from = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(18u /* 18 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(input, add_from()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.firestore.v1beta1.StructuredQuery.Filter where = 3;
+      case 3: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(26u /* 26 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_where()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // repeated .google.firestore.v1beta1.StructuredQuery.Order order_by = 4;
+      case 4: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(34u /* 34 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(input, add_order_by()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.protobuf.Int32Value limit = 5;
+      case 5: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(42u /* 42 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_limit()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // int32 offset = 6;
+      case 6: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(48u /* 48 & 0xFF */)) {
+
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   ::google::protobuf::int32, ::google::protobuf::internal::WireFormatLite::TYPE_INT32>(
+                 input, &offset_)));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.firestore.v1beta1.Cursor start_at = 7;
+      case 7: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(58u /* 58 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_start_at()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // .google.firestore.v1beta1.Cursor end_at = 8;
+      case 8: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(66u /* 66 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(
+               input, mutable_end_at()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.StructuredQuery)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.StructuredQuery)
+  return false;
+#undef DO_
+}
+
+void StructuredQuery::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.StructuredQuery)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.Projection select = 1;
+  if (this->has_select()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      1, *this->select_, output);
+  }
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.CollectionSelector from = 2;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->from_size()); i < n; i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      2, this->from(static_cast<int>(i)), output);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.Filter where = 3;
+  if (this->has_where()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      3, *this->where_, output);
+  }
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.Order order_by = 4;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->order_by_size()); i < n; i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      4, this->order_by(static_cast<int>(i)), output);
+  }
+
+  // .google.protobuf.Int32Value limit = 5;
+  if (this->has_limit()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      5, *this->limit_, output);
+  }
+
+  // int32 offset = 6;
+  if (this->offset() != 0) {
+    ::google::protobuf::internal::WireFormatLite::WriteInt32(6, this->offset(), output);
+  }
+
+  // .google.firestore.v1beta1.Cursor start_at = 7;
+  if (this->has_start_at()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      7, *this->start_at_, output);
+  }
+
+  // .google.firestore.v1beta1.Cursor end_at = 8;
+  if (this->has_end_at()) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      8, *this->end_at_, output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.StructuredQuery)
+}
+
+::google::protobuf::uint8* StructuredQuery::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.StructuredQuery)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // .google.firestore.v1beta1.StructuredQuery.Projection select = 1;
+  if (this->has_select()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        1, *this->select_, deterministic, target);
+  }
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.CollectionSelector from = 2;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->from_size()); i < n; i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        2, this->from(static_cast<int>(i)), deterministic, target);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.Filter where = 3;
+  if (this->has_where()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        3, *this->where_, deterministic, target);
+  }
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.Order order_by = 4;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->order_by_size()); i < n; i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        4, this->order_by(static_cast<int>(i)), deterministic, target);
+  }
+
+  // .google.protobuf.Int32Value limit = 5;
+  if (this->has_limit()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        5, *this->limit_, deterministic, target);
+  }
+
+  // int32 offset = 6;
+  if (this->offset() != 0) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteInt32ToArray(6, this->offset(), target);
+  }
+
+  // .google.firestore.v1beta1.Cursor start_at = 7;
+  if (this->has_start_at()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        7, *this->start_at_, deterministic, target);
+  }
+
+  // .google.firestore.v1beta1.Cursor end_at = 8;
+  if (this->has_end_at()) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        8, *this->end_at_, deterministic, target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.StructuredQuery)
+  return target;
+}
+
+size_t StructuredQuery::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.StructuredQuery)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  // repeated .google.firestore.v1beta1.StructuredQuery.CollectionSelector from = 2;
+  {
+    unsigned int count = static_cast<unsigned int>(this->from_size());
+    total_size += 1UL * count;
+    for (unsigned int i = 0; i < count; i++) {
+      total_size +=
+        ::google::protobuf::internal::WireFormatLite::MessageSize(
+          this->from(static_cast<int>(i)));
+    }
+  }
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.Order order_by = 4;
+  {
+    unsigned int count = static_cast<unsigned int>(this->order_by_size());
+    total_size += 1UL * count;
+    for (unsigned int i = 0; i < count; i++) {
+      total_size +=
+        ::google::protobuf::internal::WireFormatLite::MessageSize(
+          this->order_by(static_cast<int>(i)));
+    }
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.Projection select = 1;
+  if (this->has_select()) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::MessageSize(
+        *this->select_);
+  }
+
+  // .google.firestore.v1beta1.StructuredQuery.Filter where = 3;
+  if (this->has_where()) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::MessageSize(
+        *this->where_);
+  }
+
+  // .google.protobuf.Int32Value limit = 5;
+  if (this->has_limit()) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::MessageSize(
+        *this->limit_);
+  }
+
+  // .google.firestore.v1beta1.Cursor start_at = 7;
+  if (this->has_start_at()) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::MessageSize(
+        *this->start_at_);
+  }
+
+  // .google.firestore.v1beta1.Cursor end_at = 8;
+  if (this->has_end_at()) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::MessageSize(
+        *this->end_at_);
+  }
+
+  // int32 offset = 6;
+  if (this->offset() != 0) {
+    total_size += 1 +
+      ::google::protobuf::internal::WireFormatLite::Int32Size(
+        this->offset());
+  }
+
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void StructuredQuery::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.StructuredQuery)
+  GOOGLE_DCHECK_NE(&from, this);
+  const StructuredQuery* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const StructuredQuery>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.StructuredQuery)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.StructuredQuery)
+    MergeFrom(*source);
+  }
+}
+
+void StructuredQuery::MergeFrom(const StructuredQuery& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.StructuredQuery)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  from_.MergeFrom(from.from_);
+  order_by_.MergeFrom(from.order_by_);
+  if (from.has_select()) {
+    mutable_select()->::google::firestore::v1beta1::StructuredQuery_Projection::MergeFrom(from.select());
+  }
+  if (from.has_where()) {
+    mutable_where()->::google::firestore::v1beta1::StructuredQuery_Filter::MergeFrom(from.where());
+  }
+  if (from.has_limit()) {
+    mutable_limit()->::google::protobuf::Int32Value::MergeFrom(from.limit());
+  }
+  if (from.has_start_at()) {
+    mutable_start_at()->::google::firestore::v1beta1::Cursor::MergeFrom(from.start_at());
+  }
+  if (from.has_end_at()) {
+    mutable_end_at()->::google::firestore::v1beta1::Cursor::MergeFrom(from.end_at());
+  }
+  if (from.offset() != 0) {
+    set_offset(from.offset());
+  }
+}
+
+void StructuredQuery::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.StructuredQuery)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void StructuredQuery::CopyFrom(const StructuredQuery& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.StructuredQuery)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool StructuredQuery::IsInitialized() const {
+  return true;
+}
+
+void StructuredQuery::Swap(StructuredQuery* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void StructuredQuery::InternalSwap(StructuredQuery* other) {
+  using std::swap;
+  from_.InternalSwap(&other->from_);
+  order_by_.InternalSwap(&other->order_by_);
+  swap(select_, other->select_);
+  swap(where_, other->where_);
+  swap(limit_, other->limit_);
+  swap(start_at_, other->start_at_);
+  swap(end_at_, other->end_at_);
+  swap(offset_, other->offset_);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata StructuredQuery::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// ===================================================================
+
+void Cursor::InitAsDefaultInstance() {
+}
+void Cursor::clear_values() {
+  values_.Clear();
+}
+#if !defined(_MSC_VER) || _MSC_VER >= 1900
+const int Cursor::kValuesFieldNumber;
+const int Cursor::kBeforeFieldNumber;
+#endif  // !defined(_MSC_VER) || _MSC_VER >= 1900
+
+Cursor::Cursor()
+  : ::google::protobuf::Message(), _internal_metadata_(NULL) {
+  if (GOOGLE_PREDICT_TRUE(this != internal_default_instance())) {
+    ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsCursor();
+  }
+  SharedCtor();
+  // @@protoc_insertion_point(constructor:google.firestore.v1beta1.Cursor)
+}
+Cursor::Cursor(const Cursor& from)
+  : ::google::protobuf::Message(),
+      _internal_metadata_(NULL),
+      values_(from.values_),
+      _cached_size_(0) {
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  before_ = from.before_;
+  // @@protoc_insertion_point(copy_constructor:google.firestore.v1beta1.Cursor)
+}
+
+void Cursor::SharedCtor() {
+  before_ = false;
+  _cached_size_ = 0;
+}
+
+Cursor::~Cursor() {
+  // @@protoc_insertion_point(destructor:google.firestore.v1beta1.Cursor)
+  SharedDtor();
+}
+
+void Cursor::SharedDtor() {
+}
+
+void Cursor::SetCachedSize(int size) const {
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+}
+const ::google::protobuf::Descriptor* Cursor::descriptor() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages].descriptor;
+}
+
+const Cursor& Cursor::default_instance() {
+  ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsCursor();
+  return *internal_default_instance();
+}
+
+Cursor* Cursor::New(::google::protobuf::Arena* arena) const {
+  Cursor* n = new Cursor;
+  if (arena != NULL) {
+    arena->Own(n);
+  }
+  return n;
+}
+
+void Cursor::Clear() {
+// @@protoc_insertion_point(message_clear_start:google.firestore.v1beta1.Cursor)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  // Prevent compiler warnings about cached_has_bits being unused
+  (void) cached_has_bits;
+
+  values_.Clear();
+  before_ = false;
+  _internal_metadata_.Clear();
+}
+
+bool Cursor::MergePartialFromCodedStream(
+    ::google::protobuf::io::CodedInputStream* input) {
+#define DO_(EXPRESSION) if (!GOOGLE_PREDICT_TRUE(EXPRESSION)) goto failure
+  ::google::protobuf::uint32 tag;
+  // @@protoc_insertion_point(parse_start:google.firestore.v1beta1.Cursor)
+  for (;;) {
+    ::std::pair< ::google::protobuf::uint32, bool> p = input->ReadTagWithCutoffNoLastTag(127u);
+    tag = p.first;
+    if (!p.second) goto handle_unusual;
+    switch (::google::protobuf::internal::WireFormatLite::GetTagFieldNumber(tag)) {
+      // repeated .google.firestore.v1beta1.Value values = 1;
+      case 1: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(10u /* 10 & 0xFF */)) {
+          DO_(::google::protobuf::internal::WireFormatLite::ReadMessage(input, add_values()));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      // bool before = 2;
+      case 2: {
+        if (static_cast< ::google::protobuf::uint8>(tag) ==
+            static_cast< ::google::protobuf::uint8>(16u /* 16 & 0xFF */)) {
+
+          DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<
+                   bool, ::google::protobuf::internal::WireFormatLite::TYPE_BOOL>(
+                 input, &before_)));
+        } else {
+          goto handle_unusual;
+        }
+        break;
+      }
+
+      default: {
+      handle_unusual:
+        if (tag == 0) {
+          goto success;
+        }
+        DO_(::google::protobuf::internal::WireFormat::SkipField(
+              input, tag, _internal_metadata_.mutable_unknown_fields()));
+        break;
+      }
+    }
+  }
+success:
+  // @@protoc_insertion_point(parse_success:google.firestore.v1beta1.Cursor)
+  return true;
+failure:
+  // @@protoc_insertion_point(parse_failure:google.firestore.v1beta1.Cursor)
+  return false;
+#undef DO_
+}
+
+void Cursor::SerializeWithCachedSizes(
+    ::google::protobuf::io::CodedOutputStream* output) const {
+  // @@protoc_insertion_point(serialize_start:google.firestore.v1beta1.Cursor)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // repeated .google.firestore.v1beta1.Value values = 1;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->values_size()); i < n; i++) {
+    ::google::protobuf::internal::WireFormatLite::WriteMessageMaybeToArray(
+      1, this->values(static_cast<int>(i)), output);
+  }
+
+  // bool before = 2;
+  if (this->before() != 0) {
+    ::google::protobuf::internal::WireFormatLite::WriteBool(2, this->before(), output);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    ::google::protobuf::internal::WireFormat::SerializeUnknownFields(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), output);
+  }
+  // @@protoc_insertion_point(serialize_end:google.firestore.v1beta1.Cursor)
+}
+
+::google::protobuf::uint8* Cursor::InternalSerializeWithCachedSizesToArray(
+    bool deterministic, ::google::protobuf::uint8* target) const {
+  (void)deterministic; // Unused
+  // @@protoc_insertion_point(serialize_to_array_start:google.firestore.v1beta1.Cursor)
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  // repeated .google.firestore.v1beta1.Value values = 1;
+  for (unsigned int i = 0,
+      n = static_cast<unsigned int>(this->values_size()); i < n; i++) {
+    target = ::google::protobuf::internal::WireFormatLite::
+      InternalWriteMessageToArray(
+        1, this->values(static_cast<int>(i)), deterministic, target);
+  }
+
+  // bool before = 2;
+  if (this->before() != 0) {
+    target = ::google::protobuf::internal::WireFormatLite::WriteBoolToArray(2, this->before(), target);
+  }
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    target = ::google::protobuf::internal::WireFormat::SerializeUnknownFieldsToArray(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()), target);
+  }
+  // @@protoc_insertion_point(serialize_to_array_end:google.firestore.v1beta1.Cursor)
+  return target;
+}
+
+size_t Cursor::ByteSizeLong() const {
+// @@protoc_insertion_point(message_byte_size_start:google.firestore.v1beta1.Cursor)
+  size_t total_size = 0;
+
+  if ((_internal_metadata_.have_unknown_fields() &&  ::google::protobuf::internal::GetProto3PreserveUnknownsDefault())) {
+    total_size +=
+      ::google::protobuf::internal::WireFormat::ComputeUnknownFieldsSize(
+        (::google::protobuf::internal::GetProto3PreserveUnknownsDefault()   ? _internal_metadata_.unknown_fields()   : _internal_metadata_.default_instance()));
+  }
+  // repeated .google.firestore.v1beta1.Value values = 1;
+  {
+    unsigned int count = static_cast<unsigned int>(this->values_size());
+    total_size += 1UL * count;
+    for (unsigned int i = 0; i < count; i++) {
+      total_size +=
+        ::google::protobuf::internal::WireFormatLite::MessageSize(
+          this->values(static_cast<int>(i)));
+    }
+  }
+
+  // bool before = 2;
+  if (this->before() != 0) {
+    total_size += 1 + 1;
+  }
+
+  int cached_size = ::google::protobuf::internal::ToCachedSize(total_size);
+  GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();
+  _cached_size_ = cached_size;
+  GOOGLE_SAFE_CONCURRENT_WRITES_END();
+  return total_size;
+}
+
+void Cursor::MergeFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_merge_from_start:google.firestore.v1beta1.Cursor)
+  GOOGLE_DCHECK_NE(&from, this);
+  const Cursor* source =
+      ::google::protobuf::internal::DynamicCastToGenerated<const Cursor>(
+          &from);
+  if (source == NULL) {
+  // @@protoc_insertion_point(generalized_merge_from_cast_fail:google.firestore.v1beta1.Cursor)
+    ::google::protobuf::internal::ReflectionOps::Merge(from, this);
+  } else {
+  // @@protoc_insertion_point(generalized_merge_from_cast_success:google.firestore.v1beta1.Cursor)
+    MergeFrom(*source);
+  }
+}
+
+void Cursor::MergeFrom(const Cursor& from) {
+// @@protoc_insertion_point(class_specific_merge_from_start:google.firestore.v1beta1.Cursor)
+  GOOGLE_DCHECK_NE(&from, this);
+  _internal_metadata_.MergeFrom(from._internal_metadata_);
+  ::google::protobuf::uint32 cached_has_bits = 0;
+  (void) cached_has_bits;
+
+  values_.MergeFrom(from.values_);
+  if (from.before() != 0) {
+    set_before(from.before());
+  }
+}
+
+void Cursor::CopyFrom(const ::google::protobuf::Message& from) {
+// @@protoc_insertion_point(generalized_copy_from_start:google.firestore.v1beta1.Cursor)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+void Cursor::CopyFrom(const Cursor& from) {
+// @@protoc_insertion_point(class_specific_copy_from_start:google.firestore.v1beta1.Cursor)
+  if (&from == this) return;
+  Clear();
+  MergeFrom(from);
+}
+
+bool Cursor::IsInitialized() const {
+  return true;
+}
+
+void Cursor::Swap(Cursor* other) {
+  if (other == this) return;
+  InternalSwap(other);
+}
+void Cursor::InternalSwap(Cursor* other) {
+  using std::swap;
+  values_.InternalSwap(&other->values_);
+  swap(before_, other->before_);
+  _internal_metadata_.Swap(&other->_internal_metadata_);
+  swap(_cached_size_, other->_cached_size_);
+}
+
+::google::protobuf::Metadata Cursor::GetMetadata() const {
+  protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::protobuf_AssignDescriptorsOnce();
+  return ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::file_level_metadata[kIndexInFileMessages];
+}
+
+
+// @@protoc_insertion_point(namespace_scope)
+}  // namespace v1beta1
+}  // namespace firestore
+}  // namespace google
+
+// @@protoc_insertion_point(global_scope)