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diff --git a/Firebase/Storage/Public/FIRStorageTaskSnapshot.h b/Firebase/Storage/Public/FIRStorageTaskSnapshot.h
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+++ b/Firebase/Storage/Public/FIRStorageTaskSnapshot.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 "FIRStorageConstants.h"
+#import "FIRStorageSwiftNameSupport.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class FIRStorageMetadata;
+@class FIRStorageReference;
+@class FIRStorageTask;
+
+/**
+ * FIRStorageTaskSnapshot represents an immutable view of a task.
+ * A Snapshot contains a task, storage reference, metadata (if it exists),
+ * progress, and an error (if one occurred).
+ */
+FIR_SWIFT_NAME(StorageTaskSnapshot)
+@interface FIRStorageTaskSnapshot : NSObject
+
+/**
+ * Subclass of FIRStorageTask this snapshot represents.
+ */
+@property(readonly, copy, nonatomic) __kindof FIRStorageTask *task;
+
+/**
+ * Metadata returned by the task, or nil if no metadata returned.
+ */
+@property(readonly, copy, nonatomic, nullable) FIRStorageMetadata *metadata;
+
+/**
+ * FIRStorageReference this task is operates on.
+ */
+@property(readonly, copy, nonatomic) FIRStorageReference *reference;
+
+/**
+ * NSProgress object which tracks the progess of an upload or download.
+ */
+@property(readonly, strong, nonatomic, nullable) NSProgress *progress;
+
+/**
+ * Error during task execution, or nil if no error occurred.
+ */
+@property(readonly, copy, nonatomic, nullable) NSError *error;
+
+/**
+ * Status of the task.
+ */
+@property(readonly, nonatomic) FIRStorageTaskStatus status;
+
+@end
+
+NS_ASSUME_NONNULL_END