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firebase-ios-sdk/FirebaseStorage/Sources/FIRStorageListTask.h
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Objective-C

/*
* Copyright 2019 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 <FirebaseStorage/FIRStorageListResult.h>
#import <FirebaseStorage/FIRStorageTask.h>
@class GTMSessionFetcherService;
NS_ASSUME_NONNULL_BEGIN
/**
* Block typedef typically used in `list()` and `listAll()`.
* @param listResult The FIRStorageListResult returned by the operation, if it exists.
* @param error The error describing failure, if one occurred.
*/
typedef void (^FIRStorageVoidListError)(FIRStorageListResult *_Nullable listResult,
NSError *_Nullable error);
/** A Task that lists the entries under a {@link StorageReference} */
@interface FIRStorageListTask : FIRStorageTask <FIRStorageTaskManagement>
/**
* Initializes a new List Task.
*
* To schedule the task, invoke `[FIRStorageListTask enqueue]`.
*
* @param reference The location to invoke List on.
* @param service GTMSessionFetcherService to use for the RPC.
* @param queue The queue to schedule the List operation on.
* @param pageSize An optional pageSize, denoting the maximum size of the result set. If
* set to `nil`, the backend will use the default page size.
* @param previousPageToken An optional pageToken, used to resume a previous invocation.
* @param completion The completion handler to be called with the FIRStorageListResult.
*/
- (instancetype)initWithReference:(FIRStorageReference *)reference
fetcherService:(GTMSessionFetcherService *)service
dispatchQueue:(dispatch_queue_t)queue
pageSize:(nullable NSNumber *)pageSize
previousPageToken:(nullable NSString *)previousPageToken
completion:(FIRStorageVoidListError)completion;
@end
NS_ASSUME_NONNULL_END