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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>
@protocol FAuthTokenProvider;
NS_ASSUME_NONNULL_BEGIN
/**
* TODO: Merge FIRDatabaseConfig into FIRDatabase.
*/
@interface FIRDatabaseConfig : NSObject
- (id)initWithSessionIdentifier:(NSString *)identifier authTokenProvider:(id<FAuthTokenProvider>)authTokenProvider;
/**
* By default the Firebase Database client will keep data in memory while your application is running, but not
* when it is restarted. By setting this value to YES, the data will be persisted to on-device (disk)
* storage and will thus be available again when the app is restarted (even when there is no network
* connectivity at that time). Note that this property must be set before creating your first FIRDatabaseReference
* and only needs to be called once per application.
*
* If your app uses Firebase Authentication, the client will automatically persist the user's authentication
* token across restarts, even without persistence enabled. But if the auth token expired while offline and
* you've enabled persistence, the client will pause write operations until you successfully re-authenticate
* (or explicitly unauthenticate) to prevent your writes from being sent unauthenticated and failing due to
* security rules.
*/
@property (nonatomic) BOOL persistenceEnabled;
/**
* By default the Firebase Database client will use up to 10MB of disk space to cache data. If the cache grows beyond this size,
* the client will start removing data that hasn't been recently used. If you find that your application caches too
* little or too much data, call this method to change the cache size. This property must be set before creating
* your first FIRDatabaseReference and only needs to be called once per application.
*
* Note that the specified cache size is only an approximation and the size on disk may temporarily exceed it
* at times.
*/
@property (nonatomic) NSUInteger persistenceCacheSizeBytes;
/**
* Sets the dispatch queue on which all events are raised. The default queue is the main queue.
*/
@property (nonatomic, strong) dispatch_queue_t callbackQueue;
@end
NS_ASSUME_NONNULL_END
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