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diff --git a/Firebase/Storage/FIRStorageDownloadTask.h b/Firebase/Storage/FIRStorageDownloadTask.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 "FIRStorageObservableTask.h"
+#import "FIRStorageSwiftNameSupport.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ * FIRStorageDownloadTask implements resumable downloads from an object in Firebase Storage.
+ * Downloads can be returned on completion with a completion handler, and can be monitored
+ * by attaching observers, or controlled by calling FIRStorageTask#pause, FIRStorageTask#resume,
+ * or FIRStorageTask#cancel.
+ * Downloads can currently be returned as NSData in memory, or as an NSURL to a file on disk.
+ * Downloads are performed on a background queue, and callbacks are raised on the developer
+ * specified callbackQueue in FIRStorage, or the main queue if left unspecified.
+ * Currently all uploads must be initiated and managed on the main queue.
+ */
+FIR_SWIFT_NAME(StorageDownloadTask)
+@interface FIRStorageDownloadTask : FIRStorageObservableTask<FIRStorageTaskManagement>
+
+@end
+
+NS_ASSUME_NONNULL_END