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diff --git a/Firestore/Source/Public/FIRQuerySnapshot.h b/Firestore/Source/Public/FIRQuerySnapshot.h
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+/*
+ * Copyright 2017 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.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "FIRFirestoreSwiftNameSupport.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class FIRDocumentChange;
+@class FIRDocumentSnapshot;
+@class FIRQuery;
+@class FIRSnapshotMetadata;
+
+/**
+ * A `FIRQuerySnapshot` contains zero or more `FIRDocumentSnapshot` objects. It can be enumerated
+ * using "for ... in documentSet.documents" and its size can be inspected with `isEmpty` and
+ * `count`.
+ */
+FIR_SWIFT_NAME(QuerySnapshot)
+@interface FIRQuerySnapshot : NSObject
+
+/**   */
+- (id)init __attribute__((unavailable("FIRQuerySnapshot cannot be created directly.")));
+
+/**
+ * The query on which you called `getDocuments` or listened to in order to get this
+ * `FIRQuerySnapshot`.
+ */
+@property(nonatomic, strong, readonly) FIRQuery *query;
+
+/** Metadata about this snapshot, concerning its source and if it has local modifications. */
+@property(nonatomic, strong, readonly) FIRSnapshotMetadata *metadata;
+
+/** Indicates whether this `FIRQuerySnapshot` is empty (contains no documents). */
+@property(nonatomic, readonly, getter=isEmpty) BOOL empty;
+
+/** The count of documents in this `FIRQuerySnapshot`. */
+@property(nonatomic, readonly) NSInteger count;
+
+/** An Array of the `FIRDocumentSnapshots` that make up this document set. */
+@property(nonatomic, strong, readonly) NSArray<FIRDocumentSnapshot *> *documents;
+
+/**
+ * An array of the documents that changed since the last snapshot. If this is the first snapshot,
+ * all documents will be in the list as Added changes.
+ */
+@property(nonatomic, strong, readonly) NSArray<FIRDocumentChange *> *documentChanges;
+
+@end
+
+NS_ASSUME_NONNULL_END