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, 2592 insertions, 0 deletions

diff --git a/Firestore/Protos/cpp/google/firestore/v1beta1/query.pb.h b/Firestore/Protos/cpp/google/firestore/v1beta1/query.pb.h
new file mode 100644
index 0000000..c86fc1d
--- /dev/null
+++ b/Firestore/Protos/cpp/google/firestore/v1beta1/query.pb.h
@@ -0,0 +1,2592 @@
+/*
+ * 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
+
+#ifndef PROTOBUF_google_2ffirestore_2fv1beta1_2fquery_2eproto__INCLUDED
+#define PROTOBUF_google_2ffirestore_2fv1beta1_2fquery_2eproto__INCLUDED
+
+#include <string>
+
+#include <google/protobuf/stubs/common.h>
+
+#if GOOGLE_PROTOBUF_VERSION < 3005000
+#error This file was generated by a newer version of protoc which is
+#error incompatible with your Protocol Buffer headers.  Please update
+#error your headers.
+#endif
+#if 3005000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#error This file was generated by an older version of protoc which is
+#error incompatible with your Protocol Buffer headers.  Please
+#error regenerate this file with a newer version of protoc.
+#endif
+
+#include <google/protobuf/io/coded_stream.h>
+#include <google/protobuf/arena.h>
+#include <google/protobuf/arenastring.h>
+#include <google/protobuf/generated_message_table_driven.h>
+#include <google/protobuf/generated_message_util.h>
+#include <google/protobuf/metadata.h>
+#include <google/protobuf/message.h>
+#include <google/protobuf/repeated_field.h>  // IWYU pragma: export
+#include <google/protobuf/extension_set.h>  // IWYU pragma: export
+#include <google/protobuf/generated_enum_reflection.h>
+#include <google/protobuf/unknown_field_set.h>
+#include "google/api/annotations.pb.h"
+#include "google/firestore/v1beta1/document.pb.h"
+#include <google/protobuf/wrappers.pb.h>
+// @@protoc_insertion_point(includes)
+
+namespace protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto {
+// Internal implementation detail -- do not use these members.
+struct TableStruct {
+  static const ::google::protobuf::internal::ParseTableField entries[];
+  static const ::google::protobuf::internal::AuxillaryParseTableField aux[];
+  static const ::google::protobuf::internal::ParseTable schema[10];
+  static const ::google::protobuf::internal::FieldMetadata field_metadata[];
+  static const ::google::protobuf::internal::SerializationTable serialization_table[];
+  static const ::google::protobuf::uint32 offsets[];
+};
+void AddDescriptors();
+void InitDefaultsStructuredQuery_CollectionSelectorImpl();
+void InitDefaultsStructuredQuery_CollectionSelector();
+void InitDefaultsStructuredQuery_CompositeFilterImpl();
+void InitDefaultsStructuredQuery_CompositeFilter();
+void InitDefaultsStructuredQuery_FieldFilterImpl();
+void InitDefaultsStructuredQuery_FieldFilter();
+void InitDefaultsStructuredQuery_UnaryFilterImpl();
+void InitDefaultsStructuredQuery_UnaryFilter();
+void InitDefaultsStructuredQuery_OrderImpl();
+void InitDefaultsStructuredQuery_Order();
+void InitDefaultsStructuredQuery_FieldReferenceImpl();
+void InitDefaultsStructuredQuery_FieldReference();
+void InitDefaultsStructuredQuery_ProjectionImpl();
+void InitDefaultsStructuredQuery_Projection();
+void InitDefaultsStructuredQueryImpl();
+void InitDefaultsStructuredQuery();
+void InitDefaultsCursorImpl();
+void InitDefaultsCursor();
+inline void InitDefaults() {
+  InitDefaultsStructuredQuery_CollectionSelector();
+  InitDefaultsStructuredQuery_CompositeFilter();
+  InitDefaultsStructuredQuery_FieldFilter();
+  InitDefaultsStructuredQuery_UnaryFilter();
+  InitDefaultsStructuredQuery_Order();
+  InitDefaultsStructuredQuery_FieldReference();
+  InitDefaultsStructuredQuery_Projection();
+  InitDefaultsStructuredQuery();
+  InitDefaultsCursor();
+}
+}  // namespace protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto
+namespace google {
+namespace firestore {
+namespace v1beta1 {
+class Cursor;
+class CursorDefaultTypeInternal;
+extern CursorDefaultTypeInternal _Cursor_default_instance_;
+class StructuredQuery;
+class StructuredQueryDefaultTypeInternal;
+extern StructuredQueryDefaultTypeInternal _StructuredQuery_default_instance_;
+class StructuredQuery_CollectionSelector;
+class StructuredQuery_CollectionSelectorDefaultTypeInternal;
+extern StructuredQuery_CollectionSelectorDefaultTypeInternal _StructuredQuery_CollectionSelector_default_instance_;
+class StructuredQuery_CompositeFilter;
+class StructuredQuery_CompositeFilterDefaultTypeInternal;
+extern StructuredQuery_CompositeFilterDefaultTypeInternal _StructuredQuery_CompositeFilter_default_instance_;
+class StructuredQuery_FieldFilter;
+class StructuredQuery_FieldFilterDefaultTypeInternal;
+extern StructuredQuery_FieldFilterDefaultTypeInternal _StructuredQuery_FieldFilter_default_instance_;
+class StructuredQuery_FieldReference;
+class StructuredQuery_FieldReferenceDefaultTypeInternal;
+extern StructuredQuery_FieldReferenceDefaultTypeInternal _StructuredQuery_FieldReference_default_instance_;
+class StructuredQuery_Filter;
+class StructuredQuery_FilterDefaultTypeInternal;
+extern StructuredQuery_FilterDefaultTypeInternal _StructuredQuery_Filter_default_instance_;
+class StructuredQuery_Order;
+class StructuredQuery_OrderDefaultTypeInternal;
+extern StructuredQuery_OrderDefaultTypeInternal _StructuredQuery_Order_default_instance_;
+class StructuredQuery_Projection;
+class StructuredQuery_ProjectionDefaultTypeInternal;
+extern StructuredQuery_ProjectionDefaultTypeInternal _StructuredQuery_Projection_default_instance_;
+class StructuredQuery_UnaryFilter;
+class StructuredQuery_UnaryFilterDefaultTypeInternal;
+extern StructuredQuery_UnaryFilterDefaultTypeInternal _StructuredQuery_UnaryFilter_default_instance_;
+}  // namespace v1beta1
+}  // namespace firestore
+}  // namespace google
+namespace google {
+namespace firestore {
+namespace v1beta1 {
+
+enum StructuredQuery_CompositeFilter_Operator {
+  StructuredQuery_CompositeFilter_Operator_OPERATOR_UNSPECIFIED = 0,
+  StructuredQuery_CompositeFilter_Operator_AND = 1,
+  StructuredQuery_CompositeFilter_Operator_StructuredQuery_CompositeFilter_Operator_INT_MIN_SENTINEL_DO_NOT_USE_ = ::google::protobuf::kint32min,
+  StructuredQuery_CompositeFilter_Operator_StructuredQuery_CompositeFilter_Operator_INT_MAX_SENTINEL_DO_NOT_USE_ = ::google::protobuf::kint32max
+};
+bool StructuredQuery_CompositeFilter_Operator_IsValid(int value);
+const StructuredQuery_CompositeFilter_Operator StructuredQuery_CompositeFilter_Operator_Operator_MIN = StructuredQuery_CompositeFilter_Operator_OPERATOR_UNSPECIFIED;
+const StructuredQuery_CompositeFilter_Operator StructuredQuery_CompositeFilter_Operator_Operator_MAX = StructuredQuery_CompositeFilter_Operator_AND;
+const int StructuredQuery_CompositeFilter_Operator_Operator_ARRAYSIZE = StructuredQuery_CompositeFilter_Operator_Operator_MAX + 1;
+
+const ::google::protobuf::EnumDescriptor* StructuredQuery_CompositeFilter_Operator_descriptor();
+inline const ::std::string& StructuredQuery_CompositeFilter_Operator_Name(StructuredQuery_CompositeFilter_Operator value) {
+  return ::google::protobuf::internal::NameOfEnum(
+    StructuredQuery_CompositeFilter_Operator_descriptor(), value);
+}
+inline bool StructuredQuery_CompositeFilter_Operator_Parse(
+    const ::std::string& name, StructuredQuery_CompositeFilter_Operator* value) {
+  return ::google::protobuf::internal::ParseNamedEnum<StructuredQuery_CompositeFilter_Operator>(
+    StructuredQuery_CompositeFilter_Operator_descriptor(), name, value);
+}
+enum StructuredQuery_FieldFilter_Operator {
+  StructuredQuery_FieldFilter_Operator_OPERATOR_UNSPECIFIED = 0,
+  StructuredQuery_FieldFilter_Operator_LESS_THAN = 1,
+  StructuredQuery_FieldFilter_Operator_LESS_THAN_OR_EQUAL = 2,
+  StructuredQuery_FieldFilter_Operator_GREATER_THAN = 3,
+  StructuredQuery_FieldFilter_Operator_GREATER_THAN_OR_EQUAL = 4,
+  StructuredQuery_FieldFilter_Operator_EQUAL = 5,
+  StructuredQuery_FieldFilter_Operator_StructuredQuery_FieldFilter_Operator_INT_MIN_SENTINEL_DO_NOT_USE_ = ::google::protobuf::kint32min,
+  StructuredQuery_FieldFilter_Operator_StructuredQuery_FieldFilter_Operator_INT_MAX_SENTINEL_DO_NOT_USE_ = ::google::protobuf::kint32max
+};
+bool StructuredQuery_FieldFilter_Operator_IsValid(int value);
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter_Operator_Operator_MIN = StructuredQuery_FieldFilter_Operator_OPERATOR_UNSPECIFIED;
+const StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter_Operator_Operator_MAX = StructuredQuery_FieldFilter_Operator_EQUAL;
+const int StructuredQuery_FieldFilter_Operator_Operator_ARRAYSIZE = StructuredQuery_FieldFilter_Operator_Operator_MAX + 1;
+
+const ::google::protobuf::EnumDescriptor* StructuredQuery_FieldFilter_Operator_descriptor();
+inline const ::std::string& StructuredQuery_FieldFilter_Operator_Name(StructuredQuery_FieldFilter_Operator value) {
+  return ::google::protobuf::internal::NameOfEnum(
+    StructuredQuery_FieldFilter_Operator_descriptor(), value);
+}
+inline bool StructuredQuery_FieldFilter_Operator_Parse(
+    const ::std::string& name, StructuredQuery_FieldFilter_Operator* value) {
+  return ::google::protobuf::internal::ParseNamedEnum<StructuredQuery_FieldFilter_Operator>(
+    StructuredQuery_FieldFilter_Operator_descriptor(), name, value);
+}
+enum StructuredQuery_UnaryFilter_Operator {
+  StructuredQuery_UnaryFilter_Operator_OPERATOR_UNSPECIFIED = 0,
+  StructuredQuery_UnaryFilter_Operator_IS_NAN = 2,
+  StructuredQuery_UnaryFilter_Operator_IS_NULL = 3,
+  StructuredQuery_UnaryFilter_Operator_StructuredQuery_UnaryFilter_Operator_INT_MIN_SENTINEL_DO_NOT_USE_ = ::google::protobuf::kint32min,
+  StructuredQuery_UnaryFilter_Operator_StructuredQuery_UnaryFilter_Operator_INT_MAX_SENTINEL_DO_NOT_USE_ = ::google::protobuf::kint32max
+};
+bool StructuredQuery_UnaryFilter_Operator_IsValid(int value);
+const StructuredQuery_UnaryFilter_Operator StructuredQuery_UnaryFilter_Operator_Operator_MIN = StructuredQuery_UnaryFilter_Operator_OPERATOR_UNSPECIFIED;
+const StructuredQuery_UnaryFilter_Operator StructuredQuery_UnaryFilter_Operator_Operator_MAX = StructuredQuery_UnaryFilter_Operator_IS_NULL;
+const int StructuredQuery_UnaryFilter_Operator_Operator_ARRAYSIZE = StructuredQuery_UnaryFilter_Operator_Operator_MAX + 1;
+
+const ::google::protobuf::EnumDescriptor* StructuredQuery_UnaryFilter_Operator_descriptor();
+inline const ::std::string& StructuredQuery_UnaryFilter_Operator_Name(StructuredQuery_UnaryFilter_Operator value) {
+  return ::google::protobuf::internal::NameOfEnum(
+    StructuredQuery_UnaryFilter_Operator_descriptor(), value);
+}
+inline bool StructuredQuery_UnaryFilter_Operator_Parse(
+    const ::std::string& name, StructuredQuery_UnaryFilter_Operator* value) {
+  return ::google::protobuf::internal::ParseNamedEnum<StructuredQuery_UnaryFilter_Operator>(
+    StructuredQuery_UnaryFilter_Operator_descriptor(), name, value);
+}
+enum StructuredQuery_Direction {
+  StructuredQuery_Direction_DIRECTION_UNSPECIFIED = 0,
+  StructuredQuery_Direction_ASCENDING = 1,
+  StructuredQuery_Direction_DESCENDING = 2,
+  StructuredQuery_Direction_StructuredQuery_Direction_INT_MIN_SENTINEL_DO_NOT_USE_ = ::google::protobuf::kint32min,
+  StructuredQuery_Direction_StructuredQuery_Direction_INT_MAX_SENTINEL_DO_NOT_USE_ = ::google::protobuf::kint32max
+};
+bool StructuredQuery_Direction_IsValid(int value);
+const StructuredQuery_Direction StructuredQuery_Direction_Direction_MIN = StructuredQuery_Direction_DIRECTION_UNSPECIFIED;
+const StructuredQuery_Direction StructuredQuery_Direction_Direction_MAX = StructuredQuery_Direction_DESCENDING;
+const int StructuredQuery_Direction_Direction_ARRAYSIZE = StructuredQuery_Direction_Direction_MAX + 1;
+
+const ::google::protobuf::EnumDescriptor* StructuredQuery_Direction_descriptor();
+inline const ::std::string& StructuredQuery_Direction_Name(StructuredQuery_Direction value) {
+  return ::google::protobuf::internal::NameOfEnum(
+    StructuredQuery_Direction_descriptor(), value);
+}
+inline bool StructuredQuery_Direction_Parse(
+    const ::std::string& name, StructuredQuery_Direction* value) {
+  return ::google::protobuf::internal::ParseNamedEnum<StructuredQuery_Direction>(
+    StructuredQuery_Direction_descriptor(), name, value);
+}
+// ===================================================================
+
+class StructuredQuery_CollectionSelector : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.StructuredQuery.CollectionSelector) */ {
+ public:
+  StructuredQuery_CollectionSelector();
+  virtual ~StructuredQuery_CollectionSelector();
+
+  StructuredQuery_CollectionSelector(const StructuredQuery_CollectionSelector& from);
+
+  inline StructuredQuery_CollectionSelector& operator=(const StructuredQuery_CollectionSelector& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  StructuredQuery_CollectionSelector(StructuredQuery_CollectionSelector&& from) noexcept
+    : StructuredQuery_CollectionSelector() {
+    *this = ::std::move(from);
+  }
+
+  inline StructuredQuery_CollectionSelector& operator=(StructuredQuery_CollectionSelector&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const StructuredQuery_CollectionSelector& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const StructuredQuery_CollectionSelector* internal_default_instance() {
+    return reinterpret_cast<const StructuredQuery_CollectionSelector*>(
+               &_StructuredQuery_CollectionSelector_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    0;
+
+  void Swap(StructuredQuery_CollectionSelector* other);
+  friend void swap(StructuredQuery_CollectionSelector& a, StructuredQuery_CollectionSelector& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline StructuredQuery_CollectionSelector* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  StructuredQuery_CollectionSelector* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const StructuredQuery_CollectionSelector& from);
+  void MergeFrom(const StructuredQuery_CollectionSelector& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(StructuredQuery_CollectionSelector* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // string collection_id = 2;
+  void clear_collection_id();
+  static const int kCollectionIdFieldNumber = 2;
+  const ::std::string& collection_id() const;
+  void set_collection_id(const ::std::string& value);
+  #if LANG_CXX11
+  void set_collection_id(::std::string&& value);
+  #endif
+  void set_collection_id(const char* value);
+  void set_collection_id(const char* value, size_t size);
+  ::std::string* mutable_collection_id();
+  ::std::string* release_collection_id();
+  void set_allocated_collection_id(::std::string* collection_id);
+
+  // bool all_descendants = 3;
+  void clear_all_descendants();
+  static const int kAllDescendantsFieldNumber = 3;
+  bool all_descendants() const;
+  void set_all_descendants(bool value);
+
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.CollectionSelector)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  ::google::protobuf::internal::ArenaStringPtr collection_id_;
+  bool all_descendants_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CollectionSelectorImpl();
+};
+// -------------------------------------------------------------------
+
+class StructuredQuery_Filter : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.StructuredQuery.Filter) */ {
+ public:
+  StructuredQuery_Filter();
+  virtual ~StructuredQuery_Filter();
+
+  StructuredQuery_Filter(const StructuredQuery_Filter& from);
+
+  inline StructuredQuery_Filter& operator=(const StructuredQuery_Filter& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  StructuredQuery_Filter(StructuredQuery_Filter&& from) noexcept
+    : StructuredQuery_Filter() {
+    *this = ::std::move(from);
+  }
+
+  inline StructuredQuery_Filter& operator=(StructuredQuery_Filter&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const StructuredQuery_Filter& default_instance();
+
+  enum FilterTypeCase {
+    kCompositeFilter = 1,
+    kFieldFilter = 2,
+    kUnaryFilter = 3,
+    FILTER_TYPE_NOT_SET = 0,
+  };
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const StructuredQuery_Filter* internal_default_instance() {
+    return reinterpret_cast<const StructuredQuery_Filter*>(
+               &_StructuredQuery_Filter_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    1;
+
+  void Swap(StructuredQuery_Filter* other);
+  friend void swap(StructuredQuery_Filter& a, StructuredQuery_Filter& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline StructuredQuery_Filter* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  StructuredQuery_Filter* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const StructuredQuery_Filter& from);
+  void MergeFrom(const StructuredQuery_Filter& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(StructuredQuery_Filter* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // .google.firestore.v1beta1.StructuredQuery.CompositeFilter composite_filter = 1;
+  bool has_composite_filter() const;
+  void clear_composite_filter();
+  static const int kCompositeFilterFieldNumber = 1;
+  const ::google::firestore::v1beta1::StructuredQuery_CompositeFilter& composite_filter() const;
+  ::google::firestore::v1beta1::StructuredQuery_CompositeFilter* release_composite_filter();
+  ::google::firestore::v1beta1::StructuredQuery_CompositeFilter* mutable_composite_filter();
+  void set_allocated_composite_filter(::google::firestore::v1beta1::StructuredQuery_CompositeFilter* composite_filter);
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldFilter field_filter = 2;
+  bool has_field_filter() const;
+  void clear_field_filter();
+  static const int kFieldFilterFieldNumber = 2;
+  const ::google::firestore::v1beta1::StructuredQuery_FieldFilter& field_filter() const;
+  ::google::firestore::v1beta1::StructuredQuery_FieldFilter* release_field_filter();
+  ::google::firestore::v1beta1::StructuredQuery_FieldFilter* mutable_field_filter();
+  void set_allocated_field_filter(::google::firestore::v1beta1::StructuredQuery_FieldFilter* field_filter);
+
+  // .google.firestore.v1beta1.StructuredQuery.UnaryFilter unary_filter = 3;
+  bool has_unary_filter() const;
+  void clear_unary_filter();
+  static const int kUnaryFilterFieldNumber = 3;
+  const ::google::firestore::v1beta1::StructuredQuery_UnaryFilter& unary_filter() const;
+  ::google::firestore::v1beta1::StructuredQuery_UnaryFilter* release_unary_filter();
+  ::google::firestore::v1beta1::StructuredQuery_UnaryFilter* mutable_unary_filter();
+  void set_allocated_unary_filter(::google::firestore::v1beta1::StructuredQuery_UnaryFilter* unary_filter);
+
+  FilterTypeCase filter_type_case() const;
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.Filter)
+ private:
+  void set_has_composite_filter();
+  void set_has_field_filter();
+  void set_has_unary_filter();
+
+  inline bool has_filter_type() const;
+  void clear_filter_type();
+  inline void clear_has_filter_type();
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  union FilterTypeUnion {
+    FilterTypeUnion() {}
+    ::google::firestore::v1beta1::StructuredQuery_CompositeFilter* composite_filter_;
+    ::google::firestore::v1beta1::StructuredQuery_FieldFilter* field_filter_;
+    ::google::firestore::v1beta1::StructuredQuery_UnaryFilter* unary_filter_;
+  } filter_type_;
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _oneof_case_[1];
+
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CompositeFilterImpl();
+};
+// -------------------------------------------------------------------
+
+class StructuredQuery_CompositeFilter : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.StructuredQuery.CompositeFilter) */ {
+ public:
+  StructuredQuery_CompositeFilter();
+  virtual ~StructuredQuery_CompositeFilter();
+
+  StructuredQuery_CompositeFilter(const StructuredQuery_CompositeFilter& from);
+
+  inline StructuredQuery_CompositeFilter& operator=(const StructuredQuery_CompositeFilter& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  StructuredQuery_CompositeFilter(StructuredQuery_CompositeFilter&& from) noexcept
+    : StructuredQuery_CompositeFilter() {
+    *this = ::std::move(from);
+  }
+
+  inline StructuredQuery_CompositeFilter& operator=(StructuredQuery_CompositeFilter&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const StructuredQuery_CompositeFilter& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const StructuredQuery_CompositeFilter* internal_default_instance() {
+    return reinterpret_cast<const StructuredQuery_CompositeFilter*>(
+               &_StructuredQuery_CompositeFilter_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    2;
+
+  void Swap(StructuredQuery_CompositeFilter* other);
+  friend void swap(StructuredQuery_CompositeFilter& a, StructuredQuery_CompositeFilter& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline StructuredQuery_CompositeFilter* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  StructuredQuery_CompositeFilter* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const StructuredQuery_CompositeFilter& from);
+  void MergeFrom(const StructuredQuery_CompositeFilter& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(StructuredQuery_CompositeFilter* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  typedef StructuredQuery_CompositeFilter_Operator Operator;
+  static const Operator OPERATOR_UNSPECIFIED =
+    StructuredQuery_CompositeFilter_Operator_OPERATOR_UNSPECIFIED;
+  static const Operator AND =
+    StructuredQuery_CompositeFilter_Operator_AND;
+  static inline bool Operator_IsValid(int value) {
+    return StructuredQuery_CompositeFilter_Operator_IsValid(value);
+  }
+  static const Operator Operator_MIN =
+    StructuredQuery_CompositeFilter_Operator_Operator_MIN;
+  static const Operator Operator_MAX =
+    StructuredQuery_CompositeFilter_Operator_Operator_MAX;
+  static const int Operator_ARRAYSIZE =
+    StructuredQuery_CompositeFilter_Operator_Operator_ARRAYSIZE;
+  static inline const ::google::protobuf::EnumDescriptor*
+  Operator_descriptor() {
+    return StructuredQuery_CompositeFilter_Operator_descriptor();
+  }
+  static inline const ::std::string& Operator_Name(Operator value) {
+    return StructuredQuery_CompositeFilter_Operator_Name(value);
+  }
+  static inline bool Operator_Parse(const ::std::string& name,
+      Operator* value) {
+    return StructuredQuery_CompositeFilter_Operator_Parse(name, value);
+  }
+
+  // accessors -------------------------------------------------------
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.Filter filters = 2;
+  int filters_size() const;
+  void clear_filters();
+  static const int kFiltersFieldNumber = 2;
+  const ::google::firestore::v1beta1::StructuredQuery_Filter& filters(int index) const;
+  ::google::firestore::v1beta1::StructuredQuery_Filter* mutable_filters(int index);
+  ::google::firestore::v1beta1::StructuredQuery_Filter* add_filters();
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Filter >*
+      mutable_filters();
+  const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Filter >&
+      filters() const;
+
+  // .google.firestore.v1beta1.StructuredQuery.CompositeFilter.Operator op = 1;
+  void clear_op();
+  static const int kOpFieldNumber = 1;
+  ::google::firestore::v1beta1::StructuredQuery_CompositeFilter_Operator op() const;
+  void set_op(::google::firestore::v1beta1::StructuredQuery_CompositeFilter_Operator value);
+
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.CompositeFilter)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Filter > filters_;
+  int op_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_CompositeFilterImpl();
+};
+// -------------------------------------------------------------------
+
+class StructuredQuery_FieldFilter : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.StructuredQuery.FieldFilter) */ {
+ public:
+  StructuredQuery_FieldFilter();
+  virtual ~StructuredQuery_FieldFilter();
+
+  StructuredQuery_FieldFilter(const StructuredQuery_FieldFilter& from);
+
+  inline StructuredQuery_FieldFilter& operator=(const StructuredQuery_FieldFilter& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  StructuredQuery_FieldFilter(StructuredQuery_FieldFilter&& from) noexcept
+    : StructuredQuery_FieldFilter() {
+    *this = ::std::move(from);
+  }
+
+  inline StructuredQuery_FieldFilter& operator=(StructuredQuery_FieldFilter&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const StructuredQuery_FieldFilter& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const StructuredQuery_FieldFilter* internal_default_instance() {
+    return reinterpret_cast<const StructuredQuery_FieldFilter*>(
+               &_StructuredQuery_FieldFilter_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    3;
+
+  void Swap(StructuredQuery_FieldFilter* other);
+  friend void swap(StructuredQuery_FieldFilter& a, StructuredQuery_FieldFilter& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline StructuredQuery_FieldFilter* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  StructuredQuery_FieldFilter* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const StructuredQuery_FieldFilter& from);
+  void MergeFrom(const StructuredQuery_FieldFilter& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(StructuredQuery_FieldFilter* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  typedef StructuredQuery_FieldFilter_Operator Operator;
+  static const Operator OPERATOR_UNSPECIFIED =
+    StructuredQuery_FieldFilter_Operator_OPERATOR_UNSPECIFIED;
+  static const Operator LESS_THAN =
+    StructuredQuery_FieldFilter_Operator_LESS_THAN;
+  static const Operator LESS_THAN_OR_EQUAL =
+    StructuredQuery_FieldFilter_Operator_LESS_THAN_OR_EQUAL;
+  static const Operator GREATER_THAN =
+    StructuredQuery_FieldFilter_Operator_GREATER_THAN;
+  static const Operator GREATER_THAN_OR_EQUAL =
+    StructuredQuery_FieldFilter_Operator_GREATER_THAN_OR_EQUAL;
+  static const Operator EQUAL =
+    StructuredQuery_FieldFilter_Operator_EQUAL;
+  static inline bool Operator_IsValid(int value) {
+    return StructuredQuery_FieldFilter_Operator_IsValid(value);
+  }
+  static const Operator Operator_MIN =
+    StructuredQuery_FieldFilter_Operator_Operator_MIN;
+  static const Operator Operator_MAX =
+    StructuredQuery_FieldFilter_Operator_Operator_MAX;
+  static const int Operator_ARRAYSIZE =
+    StructuredQuery_FieldFilter_Operator_Operator_ARRAYSIZE;
+  static inline const ::google::protobuf::EnumDescriptor*
+  Operator_descriptor() {
+    return StructuredQuery_FieldFilter_Operator_descriptor();
+  }
+  static inline const ::std::string& Operator_Name(Operator value) {
+    return StructuredQuery_FieldFilter_Operator_Name(value);
+  }
+  static inline bool Operator_Parse(const ::std::string& name,
+      Operator* value) {
+    return StructuredQuery_FieldFilter_Operator_Parse(name, value);
+  }
+
+  // accessors -------------------------------------------------------
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+  bool has_field() const;
+  void clear_field();
+  static const int kFieldFieldNumber = 1;
+  const ::google::firestore::v1beta1::StructuredQuery_FieldReference& field() const;
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* release_field();
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* mutable_field();
+  void set_allocated_field(::google::firestore::v1beta1::StructuredQuery_FieldReference* field);
+
+  // .google.firestore.v1beta1.Value value = 3;
+  bool has_value() const;
+  void clear_value();
+  static const int kValueFieldNumber = 3;
+  const ::google::firestore::v1beta1::Value& value() const;
+  ::google::firestore::v1beta1::Value* release_value();
+  ::google::firestore::v1beta1::Value* mutable_value();
+  void set_allocated_value(::google::firestore::v1beta1::Value* value);
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldFilter.Operator op = 2;
+  void clear_op();
+  static const int kOpFieldNumber = 2;
+  ::google::firestore::v1beta1::StructuredQuery_FieldFilter_Operator op() const;
+  void set_op(::google::firestore::v1beta1::StructuredQuery_FieldFilter_Operator value);
+
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.FieldFilter)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* field_;
+  ::google::firestore::v1beta1::Value* value_;
+  int op_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldFilterImpl();
+};
+// -------------------------------------------------------------------
+
+class StructuredQuery_UnaryFilter : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.StructuredQuery.UnaryFilter) */ {
+ public:
+  StructuredQuery_UnaryFilter();
+  virtual ~StructuredQuery_UnaryFilter();
+
+  StructuredQuery_UnaryFilter(const StructuredQuery_UnaryFilter& from);
+
+  inline StructuredQuery_UnaryFilter& operator=(const StructuredQuery_UnaryFilter& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  StructuredQuery_UnaryFilter(StructuredQuery_UnaryFilter&& from) noexcept
+    : StructuredQuery_UnaryFilter() {
+    *this = ::std::move(from);
+  }
+
+  inline StructuredQuery_UnaryFilter& operator=(StructuredQuery_UnaryFilter&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const StructuredQuery_UnaryFilter& default_instance();
+
+  enum OperandTypeCase {
+    kField = 2,
+    OPERAND_TYPE_NOT_SET = 0,
+  };
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const StructuredQuery_UnaryFilter* internal_default_instance() {
+    return reinterpret_cast<const StructuredQuery_UnaryFilter*>(
+               &_StructuredQuery_UnaryFilter_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    4;
+
+  void Swap(StructuredQuery_UnaryFilter* other);
+  friend void swap(StructuredQuery_UnaryFilter& a, StructuredQuery_UnaryFilter& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline StructuredQuery_UnaryFilter* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  StructuredQuery_UnaryFilter* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const StructuredQuery_UnaryFilter& from);
+  void MergeFrom(const StructuredQuery_UnaryFilter& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(StructuredQuery_UnaryFilter* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  typedef StructuredQuery_UnaryFilter_Operator Operator;
+  static const Operator OPERATOR_UNSPECIFIED =
+    StructuredQuery_UnaryFilter_Operator_OPERATOR_UNSPECIFIED;
+  static const Operator IS_NAN =
+    StructuredQuery_UnaryFilter_Operator_IS_NAN;
+  static const Operator IS_NULL =
+    StructuredQuery_UnaryFilter_Operator_IS_NULL;
+  static inline bool Operator_IsValid(int value) {
+    return StructuredQuery_UnaryFilter_Operator_IsValid(value);
+  }
+  static const Operator Operator_MIN =
+    StructuredQuery_UnaryFilter_Operator_Operator_MIN;
+  static const Operator Operator_MAX =
+    StructuredQuery_UnaryFilter_Operator_Operator_MAX;
+  static const int Operator_ARRAYSIZE =
+    StructuredQuery_UnaryFilter_Operator_Operator_ARRAYSIZE;
+  static inline const ::google::protobuf::EnumDescriptor*
+  Operator_descriptor() {
+    return StructuredQuery_UnaryFilter_Operator_descriptor();
+  }
+  static inline const ::std::string& Operator_Name(Operator value) {
+    return StructuredQuery_UnaryFilter_Operator_Name(value);
+  }
+  static inline bool Operator_Parse(const ::std::string& name,
+      Operator* value) {
+    return StructuredQuery_UnaryFilter_Operator_Parse(name, value);
+  }
+
+  // accessors -------------------------------------------------------
+
+  // .google.firestore.v1beta1.StructuredQuery.UnaryFilter.Operator op = 1;
+  void clear_op();
+  static const int kOpFieldNumber = 1;
+  ::google::firestore::v1beta1::StructuredQuery_UnaryFilter_Operator op() const;
+  void set_op(::google::firestore::v1beta1::StructuredQuery_UnaryFilter_Operator value);
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 2;
+  bool has_field() const;
+  void clear_field();
+  static const int kFieldFieldNumber = 2;
+  const ::google::firestore::v1beta1::StructuredQuery_FieldReference& field() const;
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* release_field();
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* mutable_field();
+  void set_allocated_field(::google::firestore::v1beta1::StructuredQuery_FieldReference* field);
+
+  OperandTypeCase operand_type_case() const;
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.UnaryFilter)
+ private:
+  void set_has_field();
+
+  inline bool has_operand_type() const;
+  void clear_operand_type();
+  inline void clear_has_operand_type();
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  int op_;
+  union OperandTypeUnion {
+    OperandTypeUnion() {}
+    ::google::firestore::v1beta1::StructuredQuery_FieldReference* field_;
+  } operand_type_;
+  mutable int _cached_size_;
+  ::google::protobuf::uint32 _oneof_case_[1];
+
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_UnaryFilterImpl();
+};
+// -------------------------------------------------------------------
+
+class StructuredQuery_Order : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.StructuredQuery.Order) */ {
+ public:
+  StructuredQuery_Order();
+  virtual ~StructuredQuery_Order();
+
+  StructuredQuery_Order(const StructuredQuery_Order& from);
+
+  inline StructuredQuery_Order& operator=(const StructuredQuery_Order& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  StructuredQuery_Order(StructuredQuery_Order&& from) noexcept
+    : StructuredQuery_Order() {
+    *this = ::std::move(from);
+  }
+
+  inline StructuredQuery_Order& operator=(StructuredQuery_Order&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const StructuredQuery_Order& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const StructuredQuery_Order* internal_default_instance() {
+    return reinterpret_cast<const StructuredQuery_Order*>(
+               &_StructuredQuery_Order_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    5;
+
+  void Swap(StructuredQuery_Order* other);
+  friend void swap(StructuredQuery_Order& a, StructuredQuery_Order& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline StructuredQuery_Order* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  StructuredQuery_Order* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const StructuredQuery_Order& from);
+  void MergeFrom(const StructuredQuery_Order& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(StructuredQuery_Order* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+  bool has_field() const;
+  void clear_field();
+  static const int kFieldFieldNumber = 1;
+  const ::google::firestore::v1beta1::StructuredQuery_FieldReference& field() const;
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* release_field();
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* mutable_field();
+  void set_allocated_field(::google::firestore::v1beta1::StructuredQuery_FieldReference* field);
+
+  // .google.firestore.v1beta1.StructuredQuery.Direction direction = 2;
+  void clear_direction();
+  static const int kDirectionFieldNumber = 2;
+  ::google::firestore::v1beta1::StructuredQuery_Direction direction() const;
+  void set_direction(::google::firestore::v1beta1::StructuredQuery_Direction value);
+
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.Order)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* field_;
+  int direction_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_OrderImpl();
+};
+// -------------------------------------------------------------------
+
+class StructuredQuery_FieldReference : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.StructuredQuery.FieldReference) */ {
+ public:
+  StructuredQuery_FieldReference();
+  virtual ~StructuredQuery_FieldReference();
+
+  StructuredQuery_FieldReference(const StructuredQuery_FieldReference& from);
+
+  inline StructuredQuery_FieldReference& operator=(const StructuredQuery_FieldReference& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  StructuredQuery_FieldReference(StructuredQuery_FieldReference&& from) noexcept
+    : StructuredQuery_FieldReference() {
+    *this = ::std::move(from);
+  }
+
+  inline StructuredQuery_FieldReference& operator=(StructuredQuery_FieldReference&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const StructuredQuery_FieldReference& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const StructuredQuery_FieldReference* internal_default_instance() {
+    return reinterpret_cast<const StructuredQuery_FieldReference*>(
+               &_StructuredQuery_FieldReference_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    6;
+
+  void Swap(StructuredQuery_FieldReference* other);
+  friend void swap(StructuredQuery_FieldReference& a, StructuredQuery_FieldReference& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline StructuredQuery_FieldReference* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  StructuredQuery_FieldReference* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const StructuredQuery_FieldReference& from);
+  void MergeFrom(const StructuredQuery_FieldReference& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(StructuredQuery_FieldReference* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // string field_path = 2;
+  void clear_field_path();
+  static const int kFieldPathFieldNumber = 2;
+  const ::std::string& field_path() const;
+  void set_field_path(const ::std::string& value);
+  #if LANG_CXX11
+  void set_field_path(::std::string&& value);
+  #endif
+  void set_field_path(const char* value);
+  void set_field_path(const char* value, size_t size);
+  ::std::string* mutable_field_path();
+  ::std::string* release_field_path();
+  void set_allocated_field_path(::std::string* field_path);
+
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.FieldReference)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  ::google::protobuf::internal::ArenaStringPtr field_path_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_FieldReferenceImpl();
+};
+// -------------------------------------------------------------------
+
+class StructuredQuery_Projection : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.StructuredQuery.Projection) */ {
+ public:
+  StructuredQuery_Projection();
+  virtual ~StructuredQuery_Projection();
+
+  StructuredQuery_Projection(const StructuredQuery_Projection& from);
+
+  inline StructuredQuery_Projection& operator=(const StructuredQuery_Projection& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  StructuredQuery_Projection(StructuredQuery_Projection&& from) noexcept
+    : StructuredQuery_Projection() {
+    *this = ::std::move(from);
+  }
+
+  inline StructuredQuery_Projection& operator=(StructuredQuery_Projection&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const StructuredQuery_Projection& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const StructuredQuery_Projection* internal_default_instance() {
+    return reinterpret_cast<const StructuredQuery_Projection*>(
+               &_StructuredQuery_Projection_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    7;
+
+  void Swap(StructuredQuery_Projection* other);
+  friend void swap(StructuredQuery_Projection& a, StructuredQuery_Projection& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline StructuredQuery_Projection* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  StructuredQuery_Projection* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const StructuredQuery_Projection& from);
+  void MergeFrom(const StructuredQuery_Projection& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(StructuredQuery_Projection* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.FieldReference fields = 2;
+  int fields_size() const;
+  void clear_fields();
+  static const int kFieldsFieldNumber = 2;
+  const ::google::firestore::v1beta1::StructuredQuery_FieldReference& fields(int index) const;
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* mutable_fields(int index);
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* add_fields();
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_FieldReference >*
+      mutable_fields();
+  const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_FieldReference >&
+      fields() const;
+
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.Projection)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_FieldReference > fields_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQuery_ProjectionImpl();
+};
+// -------------------------------------------------------------------
+
+class StructuredQuery : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.StructuredQuery) */ {
+ public:
+  StructuredQuery();
+  virtual ~StructuredQuery();
+
+  StructuredQuery(const StructuredQuery& from);
+
+  inline StructuredQuery& operator=(const StructuredQuery& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  StructuredQuery(StructuredQuery&& from) noexcept
+    : StructuredQuery() {
+    *this = ::std::move(from);
+  }
+
+  inline StructuredQuery& operator=(StructuredQuery&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const StructuredQuery& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const StructuredQuery* internal_default_instance() {
+    return reinterpret_cast<const StructuredQuery*>(
+               &_StructuredQuery_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    8;
+
+  void Swap(StructuredQuery* other);
+  friend void swap(StructuredQuery& a, StructuredQuery& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline StructuredQuery* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  StructuredQuery* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const StructuredQuery& from);
+  void MergeFrom(const StructuredQuery& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(StructuredQuery* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  typedef StructuredQuery_CollectionSelector CollectionSelector;
+  typedef StructuredQuery_Filter Filter;
+  typedef StructuredQuery_CompositeFilter CompositeFilter;
+  typedef StructuredQuery_FieldFilter FieldFilter;
+  typedef StructuredQuery_UnaryFilter UnaryFilter;
+  typedef StructuredQuery_Order Order;
+  typedef StructuredQuery_FieldReference FieldReference;
+  typedef StructuredQuery_Projection Projection;
+
+  typedef StructuredQuery_Direction Direction;
+  static const Direction DIRECTION_UNSPECIFIED =
+    StructuredQuery_Direction_DIRECTION_UNSPECIFIED;
+  static const Direction ASCENDING =
+    StructuredQuery_Direction_ASCENDING;
+  static const Direction DESCENDING =
+    StructuredQuery_Direction_DESCENDING;
+  static inline bool Direction_IsValid(int value) {
+    return StructuredQuery_Direction_IsValid(value);
+  }
+  static const Direction Direction_MIN =
+    StructuredQuery_Direction_Direction_MIN;
+  static const Direction Direction_MAX =
+    StructuredQuery_Direction_Direction_MAX;
+  static const int Direction_ARRAYSIZE =
+    StructuredQuery_Direction_Direction_ARRAYSIZE;
+  static inline const ::google::protobuf::EnumDescriptor*
+  Direction_descriptor() {
+    return StructuredQuery_Direction_descriptor();
+  }
+  static inline const ::std::string& Direction_Name(Direction value) {
+    return StructuredQuery_Direction_Name(value);
+  }
+  static inline bool Direction_Parse(const ::std::string& name,
+      Direction* value) {
+    return StructuredQuery_Direction_Parse(name, value);
+  }
+
+  // accessors -------------------------------------------------------
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.CollectionSelector from = 2;
+  int from_size() const;
+  void clear_from();
+  static const int kFromFieldNumber = 2;
+  const ::google::firestore::v1beta1::StructuredQuery_CollectionSelector& from(int index) const;
+  ::google::firestore::v1beta1::StructuredQuery_CollectionSelector* mutable_from(int index);
+  ::google::firestore::v1beta1::StructuredQuery_CollectionSelector* add_from();
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_CollectionSelector >*
+      mutable_from();
+  const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_CollectionSelector >&
+      from() const;
+
+  // repeated .google.firestore.v1beta1.StructuredQuery.Order order_by = 4;
+  int order_by_size() const;
+  void clear_order_by();
+  static const int kOrderByFieldNumber = 4;
+  const ::google::firestore::v1beta1::StructuredQuery_Order& order_by(int index) const;
+  ::google::firestore::v1beta1::StructuredQuery_Order* mutable_order_by(int index);
+  ::google::firestore::v1beta1::StructuredQuery_Order* add_order_by();
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Order >*
+      mutable_order_by();
+  const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Order >&
+      order_by() const;
+
+  // .google.firestore.v1beta1.StructuredQuery.Projection select = 1;
+  bool has_select() const;
+  void clear_select();
+  static const int kSelectFieldNumber = 1;
+  const ::google::firestore::v1beta1::StructuredQuery_Projection& select() const;
+  ::google::firestore::v1beta1::StructuredQuery_Projection* release_select();
+  ::google::firestore::v1beta1::StructuredQuery_Projection* mutable_select();
+  void set_allocated_select(::google::firestore::v1beta1::StructuredQuery_Projection* select);
+
+  // .google.firestore.v1beta1.StructuredQuery.Filter where = 3;
+  bool has_where() const;
+  void clear_where();
+  static const int kWhereFieldNumber = 3;
+  const ::google::firestore::v1beta1::StructuredQuery_Filter& where() const;
+  ::google::firestore::v1beta1::StructuredQuery_Filter* release_where();
+  ::google::firestore::v1beta1::StructuredQuery_Filter* mutable_where();
+  void set_allocated_where(::google::firestore::v1beta1::StructuredQuery_Filter* where);
+
+  // .google.protobuf.Int32Value limit = 5;
+  bool has_limit() const;
+  void clear_limit();
+  static const int kLimitFieldNumber = 5;
+  const ::google::protobuf::Int32Value& limit() const;
+  ::google::protobuf::Int32Value* release_limit();
+  ::google::protobuf::Int32Value* mutable_limit();
+  void set_allocated_limit(::google::protobuf::Int32Value* limit);
+
+  // .google.firestore.v1beta1.Cursor start_at = 7;
+  bool has_start_at() const;
+  void clear_start_at();
+  static const int kStartAtFieldNumber = 7;
+  const ::google::firestore::v1beta1::Cursor& start_at() const;
+  ::google::firestore::v1beta1::Cursor* release_start_at();
+  ::google::firestore::v1beta1::Cursor* mutable_start_at();
+  void set_allocated_start_at(::google::firestore::v1beta1::Cursor* start_at);
+
+  // .google.firestore.v1beta1.Cursor end_at = 8;
+  bool has_end_at() const;
+  void clear_end_at();
+  static const int kEndAtFieldNumber = 8;
+  const ::google::firestore::v1beta1::Cursor& end_at() const;
+  ::google::firestore::v1beta1::Cursor* release_end_at();
+  ::google::firestore::v1beta1::Cursor* mutable_end_at();
+  void set_allocated_end_at(::google::firestore::v1beta1::Cursor* end_at);
+
+  // int32 offset = 6;
+  void clear_offset();
+  static const int kOffsetFieldNumber = 6;
+  ::google::protobuf::int32 offset() const;
+  void set_offset(::google::protobuf::int32 value);
+
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_CollectionSelector > from_;
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Order > order_by_;
+  ::google::firestore::v1beta1::StructuredQuery_Projection* select_;
+  ::google::firestore::v1beta1::StructuredQuery_Filter* where_;
+  ::google::protobuf::Int32Value* limit_;
+  ::google::firestore::v1beta1::Cursor* start_at_;
+  ::google::firestore::v1beta1::Cursor* end_at_;
+  ::google::protobuf::int32 offset_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsStructuredQueryImpl();
+};
+// -------------------------------------------------------------------
+
+class Cursor : public ::google::protobuf::Message /* @@protoc_insertion_point(class_definition:google.firestore.v1beta1.Cursor) */ {
+ public:
+  Cursor();
+  virtual ~Cursor();
+
+  Cursor(const Cursor& from);
+
+  inline Cursor& operator=(const Cursor& from) {
+    CopyFrom(from);
+    return *this;
+  }
+  #if LANG_CXX11
+  Cursor(Cursor&& from) noexcept
+    : Cursor() {
+    *this = ::std::move(from);
+  }
+
+  inline Cursor& operator=(Cursor&& from) noexcept {
+    if (GetArenaNoVirtual() == from.GetArenaNoVirtual()) {
+      if (this != &from) InternalSwap(&from);
+    } else {
+      CopyFrom(from);
+    }
+    return *this;
+  }
+  #endif
+  static const ::google::protobuf::Descriptor* descriptor();
+  static const Cursor& default_instance();
+
+  static void InitAsDefaultInstance();  // FOR INTERNAL USE ONLY
+  static inline const Cursor* internal_default_instance() {
+    return reinterpret_cast<const Cursor*>(
+               &_Cursor_default_instance_);
+  }
+  static PROTOBUF_CONSTEXPR int const kIndexInFileMessages =
+    9;
+
+  void Swap(Cursor* other);
+  friend void swap(Cursor& a, Cursor& b) {
+    a.Swap(&b);
+  }
+
+  // implements Message ----------------------------------------------
+
+  inline Cursor* New() const PROTOBUF_FINAL { return New(NULL); }
+
+  Cursor* New(::google::protobuf::Arena* arena) const PROTOBUF_FINAL;
+  void CopyFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void MergeFrom(const ::google::protobuf::Message& from) PROTOBUF_FINAL;
+  void CopyFrom(const Cursor& from);
+  void MergeFrom(const Cursor& from);
+  void Clear() PROTOBUF_FINAL;
+  bool IsInitialized() const PROTOBUF_FINAL;
+
+  size_t ByteSizeLong() const PROTOBUF_FINAL;
+  bool MergePartialFromCodedStream(
+      ::google::protobuf::io::CodedInputStream* input) PROTOBUF_FINAL;
+  void SerializeWithCachedSizes(
+      ::google::protobuf::io::CodedOutputStream* output) const PROTOBUF_FINAL;
+  ::google::protobuf::uint8* InternalSerializeWithCachedSizesToArray(
+      bool deterministic, ::google::protobuf::uint8* target) const PROTOBUF_FINAL;
+  int GetCachedSize() const PROTOBUF_FINAL { return _cached_size_; }
+  private:
+  void SharedCtor();
+  void SharedDtor();
+  void SetCachedSize(int size) const PROTOBUF_FINAL;
+  void InternalSwap(Cursor* other);
+  private:
+  inline ::google::protobuf::Arena* GetArenaNoVirtual() const {
+    return NULL;
+  }
+  inline void* MaybeArenaPtr() const {
+    return NULL;
+  }
+  public:
+
+  ::google::protobuf::Metadata GetMetadata() const PROTOBUF_FINAL;
+
+  // nested types ----------------------------------------------------
+
+  // accessors -------------------------------------------------------
+
+  // repeated .google.firestore.v1beta1.Value values = 1;
+  int values_size() const;
+  void clear_values();
+  static const int kValuesFieldNumber = 1;
+  const ::google::firestore::v1beta1::Value& values(int index) const;
+  ::google::firestore::v1beta1::Value* mutable_values(int index);
+  ::google::firestore::v1beta1::Value* add_values();
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::Value >*
+      mutable_values();
+  const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::Value >&
+      values() const;
+
+  // bool before = 2;
+  void clear_before();
+  static const int kBeforeFieldNumber = 2;
+  bool before() const;
+  void set_before(bool value);
+
+  // @@protoc_insertion_point(class_scope:google.firestore.v1beta1.Cursor)
+ private:
+
+  ::google::protobuf::internal::InternalMetadataWithArena _internal_metadata_;
+  ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::Value > values_;
+  bool before_;
+  mutable int _cached_size_;
+  friend struct ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::TableStruct;
+  friend void ::protobuf_google_2ffirestore_2fv1beta1_2fquery_2eproto::InitDefaultsCursorImpl();
+};
+// ===================================================================
+
+
+// ===================================================================
+
+#ifdef __GNUC__
+  #pragma GCC diagnostic push
+  #pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif  // __GNUC__
+// StructuredQuery_CollectionSelector
+
+// string collection_id = 2;
+inline void StructuredQuery_CollectionSelector::clear_collection_id() {
+  collection_id_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+}
+inline const ::std::string& StructuredQuery_CollectionSelector::collection_id() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id)
+  return collection_id_.GetNoArena();
+}
+inline void StructuredQuery_CollectionSelector::set_collection_id(const ::std::string& value) {
+  
+  collection_id_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
+  // @@protoc_insertion_point(field_set:google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id)
+}
+#if LANG_CXX11
+inline void StructuredQuery_CollectionSelector::set_collection_id(::std::string&& value) {
+  
+  collection_id_.SetNoArena(
+    &::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::move(value));
+  // @@protoc_insertion_point(field_set_rvalue:google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id)
+}
+#endif
+inline void StructuredQuery_CollectionSelector::set_collection_id(const char* value) {
+  GOOGLE_DCHECK(value != NULL);
+  
+  collection_id_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
+  // @@protoc_insertion_point(field_set_char:google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id)
+}
+inline void StructuredQuery_CollectionSelector::set_collection_id(const char* value, size_t size) {
+  
+  collection_id_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
+  // @@protoc_insertion_point(field_set_pointer:google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id)
+}
+inline ::std::string* StructuredQuery_CollectionSelector::mutable_collection_id() {
+  
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id)
+  return collection_id_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+}
+inline ::std::string* StructuredQuery_CollectionSelector::release_collection_id() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id)
+  
+  return collection_id_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+}
+inline void StructuredQuery_CollectionSelector::set_allocated_collection_id(::std::string* collection_id) {
+  if (collection_id != NULL) {
+    
+  } else {
+    
+  }
+  collection_id_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), collection_id);
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.CollectionSelector.collection_id)
+}
+
+// bool all_descendants = 3;
+inline void StructuredQuery_CollectionSelector::clear_all_descendants() {
+  all_descendants_ = false;
+}
+inline bool StructuredQuery_CollectionSelector::all_descendants() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.CollectionSelector.all_descendants)
+  return all_descendants_;
+}
+inline void StructuredQuery_CollectionSelector::set_all_descendants(bool value) {
+  
+  all_descendants_ = value;
+  // @@protoc_insertion_point(field_set:google.firestore.v1beta1.StructuredQuery.CollectionSelector.all_descendants)
+}
+
+// -------------------------------------------------------------------
+
+// StructuredQuery_Filter
+
+// .google.firestore.v1beta1.StructuredQuery.CompositeFilter composite_filter = 1;
+inline bool StructuredQuery_Filter::has_composite_filter() const {
+  return filter_type_case() == kCompositeFilter;
+}
+inline void StructuredQuery_Filter::set_has_composite_filter() {
+  _oneof_case_[0] = kCompositeFilter;
+}
+inline void StructuredQuery_Filter::clear_composite_filter() {
+  if (has_composite_filter()) {
+    delete filter_type_.composite_filter_;
+    clear_has_filter_type();
+  }
+}
+inline ::google::firestore::v1beta1::StructuredQuery_CompositeFilter* StructuredQuery_Filter::release_composite_filter() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.Filter.composite_filter)
+  if (has_composite_filter()) {
+    clear_has_filter_type();
+      ::google::firestore::v1beta1::StructuredQuery_CompositeFilter* temp = filter_type_.composite_filter_;
+    filter_type_.composite_filter_ = NULL;
+    return temp;
+  } else {
+    return NULL;
+  }
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_CompositeFilter& StructuredQuery_Filter::composite_filter() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.Filter.composite_filter)
+  return has_composite_filter()
+      ? *filter_type_.composite_filter_
+      : *reinterpret_cast< ::google::firestore::v1beta1::StructuredQuery_CompositeFilter*>(&::google::firestore::v1beta1::_StructuredQuery_CompositeFilter_default_instance_);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_CompositeFilter* StructuredQuery_Filter::mutable_composite_filter() {
+  if (!has_composite_filter()) {
+    clear_filter_type();
+    set_has_composite_filter();
+    filter_type_.composite_filter_ = new ::google::firestore::v1beta1::StructuredQuery_CompositeFilter;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.Filter.composite_filter)
+  return filter_type_.composite_filter_;
+}
+
+// .google.firestore.v1beta1.StructuredQuery.FieldFilter field_filter = 2;
+inline bool StructuredQuery_Filter::has_field_filter() const {
+  return filter_type_case() == kFieldFilter;
+}
+inline void StructuredQuery_Filter::set_has_field_filter() {
+  _oneof_case_[0] = kFieldFilter;
+}
+inline void StructuredQuery_Filter::clear_field_filter() {
+  if (has_field_filter()) {
+    delete filter_type_.field_filter_;
+    clear_has_filter_type();
+  }
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldFilter* StructuredQuery_Filter::release_field_filter() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.Filter.field_filter)
+  if (has_field_filter()) {
+    clear_has_filter_type();
+      ::google::firestore::v1beta1::StructuredQuery_FieldFilter* temp = filter_type_.field_filter_;
+    filter_type_.field_filter_ = NULL;
+    return temp;
+  } else {
+    return NULL;
+  }
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_FieldFilter& StructuredQuery_Filter::field_filter() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.Filter.field_filter)
+  return has_field_filter()
+      ? *filter_type_.field_filter_
+      : *reinterpret_cast< ::google::firestore::v1beta1::StructuredQuery_FieldFilter*>(&::google::firestore::v1beta1::_StructuredQuery_FieldFilter_default_instance_);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldFilter* StructuredQuery_Filter::mutable_field_filter() {
+  if (!has_field_filter()) {
+    clear_filter_type();
+    set_has_field_filter();
+    filter_type_.field_filter_ = new ::google::firestore::v1beta1::StructuredQuery_FieldFilter;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.Filter.field_filter)
+  return filter_type_.field_filter_;
+}
+
+// .google.firestore.v1beta1.StructuredQuery.UnaryFilter unary_filter = 3;
+inline bool StructuredQuery_Filter::has_unary_filter() const {
+  return filter_type_case() == kUnaryFilter;
+}
+inline void StructuredQuery_Filter::set_has_unary_filter() {
+  _oneof_case_[0] = kUnaryFilter;
+}
+inline void StructuredQuery_Filter::clear_unary_filter() {
+  if (has_unary_filter()) {
+    delete filter_type_.unary_filter_;
+    clear_has_filter_type();
+  }
+}
+inline ::google::firestore::v1beta1::StructuredQuery_UnaryFilter* StructuredQuery_Filter::release_unary_filter() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.Filter.unary_filter)
+  if (has_unary_filter()) {
+    clear_has_filter_type();
+      ::google::firestore::v1beta1::StructuredQuery_UnaryFilter* temp = filter_type_.unary_filter_;
+    filter_type_.unary_filter_ = NULL;
+    return temp;
+  } else {
+    return NULL;
+  }
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_UnaryFilter& StructuredQuery_Filter::unary_filter() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.Filter.unary_filter)
+  return has_unary_filter()
+      ? *filter_type_.unary_filter_
+      : *reinterpret_cast< ::google::firestore::v1beta1::StructuredQuery_UnaryFilter*>(&::google::firestore::v1beta1::_StructuredQuery_UnaryFilter_default_instance_);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_UnaryFilter* StructuredQuery_Filter::mutable_unary_filter() {
+  if (!has_unary_filter()) {
+    clear_filter_type();
+    set_has_unary_filter();
+    filter_type_.unary_filter_ = new ::google::firestore::v1beta1::StructuredQuery_UnaryFilter;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.Filter.unary_filter)
+  return filter_type_.unary_filter_;
+}
+
+inline bool StructuredQuery_Filter::has_filter_type() const {
+  return filter_type_case() != FILTER_TYPE_NOT_SET;
+}
+inline void StructuredQuery_Filter::clear_has_filter_type() {
+  _oneof_case_[0] = FILTER_TYPE_NOT_SET;
+}
+inline StructuredQuery_Filter::FilterTypeCase StructuredQuery_Filter::filter_type_case() const {
+  return StructuredQuery_Filter::FilterTypeCase(_oneof_case_[0]);
+}
+// -------------------------------------------------------------------
+
+// StructuredQuery_CompositeFilter
+
+// .google.firestore.v1beta1.StructuredQuery.CompositeFilter.Operator op = 1;
+inline void StructuredQuery_CompositeFilter::clear_op() {
+  op_ = 0;
+}
+inline ::google::firestore::v1beta1::StructuredQuery_CompositeFilter_Operator StructuredQuery_CompositeFilter::op() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.CompositeFilter.op)
+  return static_cast< ::google::firestore::v1beta1::StructuredQuery_CompositeFilter_Operator >(op_);
+}
+inline void StructuredQuery_CompositeFilter::set_op(::google::firestore::v1beta1::StructuredQuery_CompositeFilter_Operator value) {
+  
+  op_ = value;
+  // @@protoc_insertion_point(field_set:google.firestore.v1beta1.StructuredQuery.CompositeFilter.op)
+}
+
+// repeated .google.firestore.v1beta1.StructuredQuery.Filter filters = 2;
+inline int StructuredQuery_CompositeFilter::filters_size() const {
+  return filters_.size();
+}
+inline void StructuredQuery_CompositeFilter::clear_filters() {
+  filters_.Clear();
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_Filter& StructuredQuery_CompositeFilter::filters(int index) const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.CompositeFilter.filters)
+  return filters_.Get(index);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_Filter* StructuredQuery_CompositeFilter::mutable_filters(int index) {
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.CompositeFilter.filters)
+  return filters_.Mutable(index);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_Filter* StructuredQuery_CompositeFilter::add_filters() {
+  // @@protoc_insertion_point(field_add:google.firestore.v1beta1.StructuredQuery.CompositeFilter.filters)
+  return filters_.Add();
+}
+inline ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Filter >*
+StructuredQuery_CompositeFilter::mutable_filters() {
+  // @@protoc_insertion_point(field_mutable_list:google.firestore.v1beta1.StructuredQuery.CompositeFilter.filters)
+  return &filters_;
+}
+inline const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Filter >&
+StructuredQuery_CompositeFilter::filters() const {
+  // @@protoc_insertion_point(field_list:google.firestore.v1beta1.StructuredQuery.CompositeFilter.filters)
+  return filters_;
+}
+
+// -------------------------------------------------------------------
+
+// StructuredQuery_FieldFilter
+
+// .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+inline bool StructuredQuery_FieldFilter::has_field() const {
+  return this != internal_default_instance() && field_ != NULL;
+}
+inline void StructuredQuery_FieldFilter::clear_field() {
+  if (GetArenaNoVirtual() == NULL && field_ != NULL) {
+    delete field_;
+  }
+  field_ = NULL;
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_FieldReference& StructuredQuery_FieldFilter::field() const {
+  const ::google::firestore::v1beta1::StructuredQuery_FieldReference* p = field_;
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.FieldFilter.field)
+  return p != NULL ? *p : *reinterpret_cast<const ::google::firestore::v1beta1::StructuredQuery_FieldReference*>(
+      &::google::firestore::v1beta1::_StructuredQuery_FieldReference_default_instance_);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldReference* StructuredQuery_FieldFilter::release_field() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.FieldFilter.field)
+  
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* temp = field_;
+  field_ = NULL;
+  return temp;
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldReference* StructuredQuery_FieldFilter::mutable_field() {
+  
+  if (field_ == NULL) {
+    field_ = new ::google::firestore::v1beta1::StructuredQuery_FieldReference;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.FieldFilter.field)
+  return field_;
+}
+inline void StructuredQuery_FieldFilter::set_allocated_field(::google::firestore::v1beta1::StructuredQuery_FieldReference* field) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  if (message_arena == NULL) {
+    delete field_;
+  }
+  if (field) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      field = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, field, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  field_ = field;
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.FieldFilter.field)
+}
+
+// .google.firestore.v1beta1.StructuredQuery.FieldFilter.Operator op = 2;
+inline void StructuredQuery_FieldFilter::clear_op() {
+  op_ = 0;
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldFilter_Operator StructuredQuery_FieldFilter::op() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.FieldFilter.op)
+  return static_cast< ::google::firestore::v1beta1::StructuredQuery_FieldFilter_Operator >(op_);
+}
+inline void StructuredQuery_FieldFilter::set_op(::google::firestore::v1beta1::StructuredQuery_FieldFilter_Operator value) {
+  
+  op_ = value;
+  // @@protoc_insertion_point(field_set:google.firestore.v1beta1.StructuredQuery.FieldFilter.op)
+}
+
+// .google.firestore.v1beta1.Value value = 3;
+inline bool StructuredQuery_FieldFilter::has_value() const {
+  return this != internal_default_instance() && value_ != NULL;
+}
+inline const ::google::firestore::v1beta1::Value& StructuredQuery_FieldFilter::value() const {
+  const ::google::firestore::v1beta1::Value* p = value_;
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.FieldFilter.value)
+  return p != NULL ? *p : *reinterpret_cast<const ::google::firestore::v1beta1::Value*>(
+      &::google::firestore::v1beta1::_Value_default_instance_);
+}
+inline ::google::firestore::v1beta1::Value* StructuredQuery_FieldFilter::release_value() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.FieldFilter.value)
+  
+  ::google::firestore::v1beta1::Value* temp = value_;
+  value_ = NULL;
+  return temp;
+}
+inline ::google::firestore::v1beta1::Value* StructuredQuery_FieldFilter::mutable_value() {
+  
+  if (value_ == NULL) {
+    value_ = new ::google::firestore::v1beta1::Value;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.FieldFilter.value)
+  return value_;
+}
+inline void StructuredQuery_FieldFilter::set_allocated_value(::google::firestore::v1beta1::Value* value) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  if (message_arena == NULL) {
+    delete reinterpret_cast< ::google::protobuf::MessageLite*>(value_);
+  }
+  if (value) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      value = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, value, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  value_ = value;
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.FieldFilter.value)
+}
+
+// -------------------------------------------------------------------
+
+// StructuredQuery_UnaryFilter
+
+// .google.firestore.v1beta1.StructuredQuery.UnaryFilter.Operator op = 1;
+inline void StructuredQuery_UnaryFilter::clear_op() {
+  op_ = 0;
+}
+inline ::google::firestore::v1beta1::StructuredQuery_UnaryFilter_Operator StructuredQuery_UnaryFilter::op() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.UnaryFilter.op)
+  return static_cast< ::google::firestore::v1beta1::StructuredQuery_UnaryFilter_Operator >(op_);
+}
+inline void StructuredQuery_UnaryFilter::set_op(::google::firestore::v1beta1::StructuredQuery_UnaryFilter_Operator value) {
+  
+  op_ = value;
+  // @@protoc_insertion_point(field_set:google.firestore.v1beta1.StructuredQuery.UnaryFilter.op)
+}
+
+// .google.firestore.v1beta1.StructuredQuery.FieldReference field = 2;
+inline bool StructuredQuery_UnaryFilter::has_field() const {
+  return operand_type_case() == kField;
+}
+inline void StructuredQuery_UnaryFilter::set_has_field() {
+  _oneof_case_[0] = kField;
+}
+inline void StructuredQuery_UnaryFilter::clear_field() {
+  if (has_field()) {
+    delete operand_type_.field_;
+    clear_has_operand_type();
+  }
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldReference* StructuredQuery_UnaryFilter::release_field() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.UnaryFilter.field)
+  if (has_field()) {
+    clear_has_operand_type();
+      ::google::firestore::v1beta1::StructuredQuery_FieldReference* temp = operand_type_.field_;
+    operand_type_.field_ = NULL;
+    return temp;
+  } else {
+    return NULL;
+  }
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_FieldReference& StructuredQuery_UnaryFilter::field() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.UnaryFilter.field)
+  return has_field()
+      ? *operand_type_.field_
+      : *reinterpret_cast< ::google::firestore::v1beta1::StructuredQuery_FieldReference*>(&::google::firestore::v1beta1::_StructuredQuery_FieldReference_default_instance_);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldReference* StructuredQuery_UnaryFilter::mutable_field() {
+  if (!has_field()) {
+    clear_operand_type();
+    set_has_field();
+    operand_type_.field_ = new ::google::firestore::v1beta1::StructuredQuery_FieldReference;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.UnaryFilter.field)
+  return operand_type_.field_;
+}
+
+inline bool StructuredQuery_UnaryFilter::has_operand_type() const {
+  return operand_type_case() != OPERAND_TYPE_NOT_SET;
+}
+inline void StructuredQuery_UnaryFilter::clear_has_operand_type() {
+  _oneof_case_[0] = OPERAND_TYPE_NOT_SET;
+}
+inline StructuredQuery_UnaryFilter::OperandTypeCase StructuredQuery_UnaryFilter::operand_type_case() const {
+  return StructuredQuery_UnaryFilter::OperandTypeCase(_oneof_case_[0]);
+}
+// -------------------------------------------------------------------
+
+// StructuredQuery_Order
+
+// .google.firestore.v1beta1.StructuredQuery.FieldReference field = 1;
+inline bool StructuredQuery_Order::has_field() const {
+  return this != internal_default_instance() && field_ != NULL;
+}
+inline void StructuredQuery_Order::clear_field() {
+  if (GetArenaNoVirtual() == NULL && field_ != NULL) {
+    delete field_;
+  }
+  field_ = NULL;
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_FieldReference& StructuredQuery_Order::field() const {
+  const ::google::firestore::v1beta1::StructuredQuery_FieldReference* p = field_;
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.Order.field)
+  return p != NULL ? *p : *reinterpret_cast<const ::google::firestore::v1beta1::StructuredQuery_FieldReference*>(
+      &::google::firestore::v1beta1::_StructuredQuery_FieldReference_default_instance_);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldReference* StructuredQuery_Order::release_field() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.Order.field)
+  
+  ::google::firestore::v1beta1::StructuredQuery_FieldReference* temp = field_;
+  field_ = NULL;
+  return temp;
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldReference* StructuredQuery_Order::mutable_field() {
+  
+  if (field_ == NULL) {
+    field_ = new ::google::firestore::v1beta1::StructuredQuery_FieldReference;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.Order.field)
+  return field_;
+}
+inline void StructuredQuery_Order::set_allocated_field(::google::firestore::v1beta1::StructuredQuery_FieldReference* field) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  if (message_arena == NULL) {
+    delete field_;
+  }
+  if (field) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      field = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, field, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  field_ = field;
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.Order.field)
+}
+
+// .google.firestore.v1beta1.StructuredQuery.Direction direction = 2;
+inline void StructuredQuery_Order::clear_direction() {
+  direction_ = 0;
+}
+inline ::google::firestore::v1beta1::StructuredQuery_Direction StructuredQuery_Order::direction() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.Order.direction)
+  return static_cast< ::google::firestore::v1beta1::StructuredQuery_Direction >(direction_);
+}
+inline void StructuredQuery_Order::set_direction(::google::firestore::v1beta1::StructuredQuery_Direction value) {
+  
+  direction_ = value;
+  // @@protoc_insertion_point(field_set:google.firestore.v1beta1.StructuredQuery.Order.direction)
+}
+
+// -------------------------------------------------------------------
+
+// StructuredQuery_FieldReference
+
+// string field_path = 2;
+inline void StructuredQuery_FieldReference::clear_field_path() {
+  field_path_.ClearToEmptyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+}
+inline const ::std::string& StructuredQuery_FieldReference::field_path() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.FieldReference.field_path)
+  return field_path_.GetNoArena();
+}
+inline void StructuredQuery_FieldReference::set_field_path(const ::std::string& value) {
+  
+  field_path_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), value);
+  // @@protoc_insertion_point(field_set:google.firestore.v1beta1.StructuredQuery.FieldReference.field_path)
+}
+#if LANG_CXX11
+inline void StructuredQuery_FieldReference::set_field_path(::std::string&& value) {
+  
+  field_path_.SetNoArena(
+    &::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::move(value));
+  // @@protoc_insertion_point(field_set_rvalue:google.firestore.v1beta1.StructuredQuery.FieldReference.field_path)
+}
+#endif
+inline void StructuredQuery_FieldReference::set_field_path(const char* value) {
+  GOOGLE_DCHECK(value != NULL);
+  
+  field_path_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
+  // @@protoc_insertion_point(field_set_char:google.firestore.v1beta1.StructuredQuery.FieldReference.field_path)
+}
+inline void StructuredQuery_FieldReference::set_field_path(const char* value, size_t size) {
+  
+  field_path_.SetNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(),
+      ::std::string(reinterpret_cast<const char*>(value), size));
+  // @@protoc_insertion_point(field_set_pointer:google.firestore.v1beta1.StructuredQuery.FieldReference.field_path)
+}
+inline ::std::string* StructuredQuery_FieldReference::mutable_field_path() {
+  
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.FieldReference.field_path)
+  return field_path_.MutableNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+}
+inline ::std::string* StructuredQuery_FieldReference::release_field_path() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.FieldReference.field_path)
+  
+  return field_path_.ReleaseNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited());
+}
+inline void StructuredQuery_FieldReference::set_allocated_field_path(::std::string* field_path) {
+  if (field_path != NULL) {
+    
+  } else {
+    
+  }
+  field_path_.SetAllocatedNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), field_path);
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.FieldReference.field_path)
+}
+
+// -------------------------------------------------------------------
+
+// StructuredQuery_Projection
+
+// repeated .google.firestore.v1beta1.StructuredQuery.FieldReference fields = 2;
+inline int StructuredQuery_Projection::fields_size() const {
+  return fields_.size();
+}
+inline void StructuredQuery_Projection::clear_fields() {
+  fields_.Clear();
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_FieldReference& StructuredQuery_Projection::fields(int index) const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.Projection.fields)
+  return fields_.Get(index);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldReference* StructuredQuery_Projection::mutable_fields(int index) {
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.Projection.fields)
+  return fields_.Mutable(index);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_FieldReference* StructuredQuery_Projection::add_fields() {
+  // @@protoc_insertion_point(field_add:google.firestore.v1beta1.StructuredQuery.Projection.fields)
+  return fields_.Add();
+}
+inline ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_FieldReference >*
+StructuredQuery_Projection::mutable_fields() {
+  // @@protoc_insertion_point(field_mutable_list:google.firestore.v1beta1.StructuredQuery.Projection.fields)
+  return &fields_;
+}
+inline const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_FieldReference >&
+StructuredQuery_Projection::fields() const {
+  // @@protoc_insertion_point(field_list:google.firestore.v1beta1.StructuredQuery.Projection.fields)
+  return fields_;
+}
+
+// -------------------------------------------------------------------
+
+// StructuredQuery
+
+// .google.firestore.v1beta1.StructuredQuery.Projection select = 1;
+inline bool StructuredQuery::has_select() const {
+  return this != internal_default_instance() && select_ != NULL;
+}
+inline void StructuredQuery::clear_select() {
+  if (GetArenaNoVirtual() == NULL && select_ != NULL) {
+    delete select_;
+  }
+  select_ = NULL;
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_Projection& StructuredQuery::select() const {
+  const ::google::firestore::v1beta1::StructuredQuery_Projection* p = select_;
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.select)
+  return p != NULL ? *p : *reinterpret_cast<const ::google::firestore::v1beta1::StructuredQuery_Projection*>(
+      &::google::firestore::v1beta1::_StructuredQuery_Projection_default_instance_);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_Projection* StructuredQuery::release_select() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.select)
+  
+  ::google::firestore::v1beta1::StructuredQuery_Projection* temp = select_;
+  select_ = NULL;
+  return temp;
+}
+inline ::google::firestore::v1beta1::StructuredQuery_Projection* StructuredQuery::mutable_select() {
+  
+  if (select_ == NULL) {
+    select_ = new ::google::firestore::v1beta1::StructuredQuery_Projection;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.select)
+  return select_;
+}
+inline void StructuredQuery::set_allocated_select(::google::firestore::v1beta1::StructuredQuery_Projection* select) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  if (message_arena == NULL) {
+    delete select_;
+  }
+  if (select) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      select = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, select, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  select_ = select;
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.select)
+}
+
+// repeated .google.firestore.v1beta1.StructuredQuery.CollectionSelector from = 2;
+inline int StructuredQuery::from_size() const {
+  return from_.size();
+}
+inline void StructuredQuery::clear_from() {
+  from_.Clear();
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_CollectionSelector& StructuredQuery::from(int index) const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.from)
+  return from_.Get(index);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_CollectionSelector* StructuredQuery::mutable_from(int index) {
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.from)
+  return from_.Mutable(index);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_CollectionSelector* StructuredQuery::add_from() {
+  // @@protoc_insertion_point(field_add:google.firestore.v1beta1.StructuredQuery.from)
+  return from_.Add();
+}
+inline ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_CollectionSelector >*
+StructuredQuery::mutable_from() {
+  // @@protoc_insertion_point(field_mutable_list:google.firestore.v1beta1.StructuredQuery.from)
+  return &from_;
+}
+inline const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_CollectionSelector >&
+StructuredQuery::from() const {
+  // @@protoc_insertion_point(field_list:google.firestore.v1beta1.StructuredQuery.from)
+  return from_;
+}
+
+// .google.firestore.v1beta1.StructuredQuery.Filter where = 3;
+inline bool StructuredQuery::has_where() const {
+  return this != internal_default_instance() && where_ != NULL;
+}
+inline void StructuredQuery::clear_where() {
+  if (GetArenaNoVirtual() == NULL && where_ != NULL) {
+    delete where_;
+  }
+  where_ = NULL;
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_Filter& StructuredQuery::where() const {
+  const ::google::firestore::v1beta1::StructuredQuery_Filter* p = where_;
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.where)
+  return p != NULL ? *p : *reinterpret_cast<const ::google::firestore::v1beta1::StructuredQuery_Filter*>(
+      &::google::firestore::v1beta1::_StructuredQuery_Filter_default_instance_);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_Filter* StructuredQuery::release_where() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.where)
+  
+  ::google::firestore::v1beta1::StructuredQuery_Filter* temp = where_;
+  where_ = NULL;
+  return temp;
+}
+inline ::google::firestore::v1beta1::StructuredQuery_Filter* StructuredQuery::mutable_where() {
+  
+  if (where_ == NULL) {
+    where_ = new ::google::firestore::v1beta1::StructuredQuery_Filter;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.where)
+  return where_;
+}
+inline void StructuredQuery::set_allocated_where(::google::firestore::v1beta1::StructuredQuery_Filter* where) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  if (message_arena == NULL) {
+    delete where_;
+  }
+  if (where) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      where = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, where, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  where_ = where;
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.where)
+}
+
+// repeated .google.firestore.v1beta1.StructuredQuery.Order order_by = 4;
+inline int StructuredQuery::order_by_size() const {
+  return order_by_.size();
+}
+inline void StructuredQuery::clear_order_by() {
+  order_by_.Clear();
+}
+inline const ::google::firestore::v1beta1::StructuredQuery_Order& StructuredQuery::order_by(int index) const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.order_by)
+  return order_by_.Get(index);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_Order* StructuredQuery::mutable_order_by(int index) {
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.order_by)
+  return order_by_.Mutable(index);
+}
+inline ::google::firestore::v1beta1::StructuredQuery_Order* StructuredQuery::add_order_by() {
+  // @@protoc_insertion_point(field_add:google.firestore.v1beta1.StructuredQuery.order_by)
+  return order_by_.Add();
+}
+inline ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Order >*
+StructuredQuery::mutable_order_by() {
+  // @@protoc_insertion_point(field_mutable_list:google.firestore.v1beta1.StructuredQuery.order_by)
+  return &order_by_;
+}
+inline const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::StructuredQuery_Order >&
+StructuredQuery::order_by() const {
+  // @@protoc_insertion_point(field_list:google.firestore.v1beta1.StructuredQuery.order_by)
+  return order_by_;
+}
+
+// .google.firestore.v1beta1.Cursor start_at = 7;
+inline bool StructuredQuery::has_start_at() const {
+  return this != internal_default_instance() && start_at_ != NULL;
+}
+inline void StructuredQuery::clear_start_at() {
+  if (GetArenaNoVirtual() == NULL && start_at_ != NULL) {
+    delete start_at_;
+  }
+  start_at_ = NULL;
+}
+inline const ::google::firestore::v1beta1::Cursor& StructuredQuery::start_at() const {
+  const ::google::firestore::v1beta1::Cursor* p = start_at_;
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.start_at)
+  return p != NULL ? *p : *reinterpret_cast<const ::google::firestore::v1beta1::Cursor*>(
+      &::google::firestore::v1beta1::_Cursor_default_instance_);
+}
+inline ::google::firestore::v1beta1::Cursor* StructuredQuery::release_start_at() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.start_at)
+  
+  ::google::firestore::v1beta1::Cursor* temp = start_at_;
+  start_at_ = NULL;
+  return temp;
+}
+inline ::google::firestore::v1beta1::Cursor* StructuredQuery::mutable_start_at() {
+  
+  if (start_at_ == NULL) {
+    start_at_ = new ::google::firestore::v1beta1::Cursor;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.start_at)
+  return start_at_;
+}
+inline void StructuredQuery::set_allocated_start_at(::google::firestore::v1beta1::Cursor* start_at) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  if (message_arena == NULL) {
+    delete start_at_;
+  }
+  if (start_at) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      start_at = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, start_at, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  start_at_ = start_at;
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.start_at)
+}
+
+// .google.firestore.v1beta1.Cursor end_at = 8;
+inline bool StructuredQuery::has_end_at() const {
+  return this != internal_default_instance() && end_at_ != NULL;
+}
+inline void StructuredQuery::clear_end_at() {
+  if (GetArenaNoVirtual() == NULL && end_at_ != NULL) {
+    delete end_at_;
+  }
+  end_at_ = NULL;
+}
+inline const ::google::firestore::v1beta1::Cursor& StructuredQuery::end_at() const {
+  const ::google::firestore::v1beta1::Cursor* p = end_at_;
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.end_at)
+  return p != NULL ? *p : *reinterpret_cast<const ::google::firestore::v1beta1::Cursor*>(
+      &::google::firestore::v1beta1::_Cursor_default_instance_);
+}
+inline ::google::firestore::v1beta1::Cursor* StructuredQuery::release_end_at() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.end_at)
+  
+  ::google::firestore::v1beta1::Cursor* temp = end_at_;
+  end_at_ = NULL;
+  return temp;
+}
+inline ::google::firestore::v1beta1::Cursor* StructuredQuery::mutable_end_at() {
+  
+  if (end_at_ == NULL) {
+    end_at_ = new ::google::firestore::v1beta1::Cursor;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.end_at)
+  return end_at_;
+}
+inline void StructuredQuery::set_allocated_end_at(::google::firestore::v1beta1::Cursor* end_at) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  if (message_arena == NULL) {
+    delete end_at_;
+  }
+  if (end_at) {
+    ::google::protobuf::Arena* submessage_arena = NULL;
+    if (message_arena != submessage_arena) {
+      end_at = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, end_at, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  end_at_ = end_at;
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.end_at)
+}
+
+// int32 offset = 6;
+inline void StructuredQuery::clear_offset() {
+  offset_ = 0;
+}
+inline ::google::protobuf::int32 StructuredQuery::offset() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.offset)
+  return offset_;
+}
+inline void StructuredQuery::set_offset(::google::protobuf::int32 value) {
+  
+  offset_ = value;
+  // @@protoc_insertion_point(field_set:google.firestore.v1beta1.StructuredQuery.offset)
+}
+
+// .google.protobuf.Int32Value limit = 5;
+inline bool StructuredQuery::has_limit() const {
+  return this != internal_default_instance() && limit_ != NULL;
+}
+inline const ::google::protobuf::Int32Value& StructuredQuery::limit() const {
+  const ::google::protobuf::Int32Value* p = limit_;
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.StructuredQuery.limit)
+  return p != NULL ? *p : *reinterpret_cast<const ::google::protobuf::Int32Value*>(
+      &::google::protobuf::_Int32Value_default_instance_);
+}
+inline ::google::protobuf::Int32Value* StructuredQuery::release_limit() {
+  // @@protoc_insertion_point(field_release:google.firestore.v1beta1.StructuredQuery.limit)
+  
+  ::google::protobuf::Int32Value* temp = limit_;
+  limit_ = NULL;
+  return temp;
+}
+inline ::google::protobuf::Int32Value* StructuredQuery::mutable_limit() {
+  
+  if (limit_ == NULL) {
+    limit_ = new ::google::protobuf::Int32Value;
+  }
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.StructuredQuery.limit)
+  return limit_;
+}
+inline void StructuredQuery::set_allocated_limit(::google::protobuf::Int32Value* limit) {
+  ::google::protobuf::Arena* message_arena = GetArenaNoVirtual();
+  if (message_arena == NULL) {
+    delete reinterpret_cast< ::google::protobuf::MessageLite*>(limit_);
+  }
+  if (limit) {
+    ::google::protobuf::Arena* submessage_arena =
+      reinterpret_cast< ::google::protobuf::MessageLite*>(limit)->GetArena();
+    if (message_arena != submessage_arena) {
+      limit = ::google::protobuf::internal::GetOwnedMessage(
+          message_arena, limit, submessage_arena);
+    }
+    
+  } else {
+    
+  }
+  limit_ = limit;
+  // @@protoc_insertion_point(field_set_allocated:google.firestore.v1beta1.StructuredQuery.limit)
+}
+
+// -------------------------------------------------------------------
+
+// Cursor
+
+// repeated .google.firestore.v1beta1.Value values = 1;
+inline int Cursor::values_size() const {
+  return values_.size();
+}
+inline const ::google::firestore::v1beta1::Value& Cursor::values(int index) const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.Cursor.values)
+  return values_.Get(index);
+}
+inline ::google::firestore::v1beta1::Value* Cursor::mutable_values(int index) {
+  // @@protoc_insertion_point(field_mutable:google.firestore.v1beta1.Cursor.values)
+  return values_.Mutable(index);
+}
+inline ::google::firestore::v1beta1::Value* Cursor::add_values() {
+  // @@protoc_insertion_point(field_add:google.firestore.v1beta1.Cursor.values)
+  return values_.Add();
+}
+inline ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::Value >*
+Cursor::mutable_values() {
+  // @@protoc_insertion_point(field_mutable_list:google.firestore.v1beta1.Cursor.values)
+  return &values_;
+}
+inline const ::google::protobuf::RepeatedPtrField< ::google::firestore::v1beta1::Value >&
+Cursor::values() const {
+  // @@protoc_insertion_point(field_list:google.firestore.v1beta1.Cursor.values)
+  return values_;
+}
+
+// bool before = 2;
+inline void Cursor::clear_before() {
+  before_ = false;
+}
+inline bool Cursor::before() const {
+  // @@protoc_insertion_point(field_get:google.firestore.v1beta1.Cursor.before)
+  return before_;
+}
+inline void Cursor::set_before(bool value) {
+  
+  before_ = value;
+  // @@protoc_insertion_point(field_set:google.firestore.v1beta1.Cursor.before)
+}
+
+#ifdef __GNUC__
+  #pragma GCC diagnostic pop
+#endif  // __GNUC__
+// -------------------------------------------------------------------
+
+// -------------------------------------------------------------------
+
+// -------------------------------------------------------------------
+
+// -------------------------------------------------------------------
+
+// -------------------------------------------------------------------
+
+// -------------------------------------------------------------------
+
+// -------------------------------------------------------------------
+
+// -------------------------------------------------------------------
+
+// -------------------------------------------------------------------
+
+
+// @@protoc_insertion_point(namespace_scope)
+
+}  // namespace v1beta1
+}  // namespace firestore
+}  // namespace google
+
+namespace google {
+namespace protobuf {
+
+template <> struct is_proto_enum< ::google::firestore::v1beta1::StructuredQuery_CompositeFilter_Operator> : ::google::protobuf::internal::true_type {};
+template <>
+inline const EnumDescriptor* GetEnumDescriptor< ::google::firestore::v1beta1::StructuredQuery_CompositeFilter_Operator>() {
+  return ::google::firestore::v1beta1::StructuredQuery_CompositeFilter_Operator_descriptor();
+}
+template <> struct is_proto_enum< ::google::firestore::v1beta1::StructuredQuery_FieldFilter_Operator> : ::google::protobuf::internal::true_type {};
+template <>
+inline const EnumDescriptor* GetEnumDescriptor< ::google::firestore::v1beta1::StructuredQuery_FieldFilter_Operator>() {
+  return ::google::firestore::v1beta1::StructuredQuery_FieldFilter_Operator_descriptor();
+}
+template <> struct is_proto_enum< ::google::firestore::v1beta1::StructuredQuery_UnaryFilter_Operator> : ::google::protobuf::internal::true_type {};
+template <>
+inline const EnumDescriptor* GetEnumDescriptor< ::google::firestore::v1beta1::StructuredQuery_UnaryFilter_Operator>() {
+  return ::google::firestore::v1beta1::StructuredQuery_UnaryFilter_Operator_descriptor();
+}
+template <> struct is_proto_enum< ::google::firestore::v1beta1::StructuredQuery_Direction> : ::google::protobuf::internal::true_type {};
+template <>
+inline const EnumDescriptor* GetEnumDescriptor< ::google::firestore::v1beta1::StructuredQuery_Direction>() {
+  return ::google::firestore::v1beta1::StructuredQuery_Direction_descriptor();
+}
+
+}  // namespace protobuf
+}  // namespace google
+
+// @@protoc_insertion_point(global_scope)
+
+#endif  // PROTOBUF_google_2ffirestore_2fv1beta1_2fquery_2eproto__INCLUDED