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/*
* Copyright 2012 Facebook
*
* 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 "FBSession.h"
/*!
@class
@abstract
Base class from which CacheDescriptors derive, provides a method to fetch data for later use
@discussion
Cache descriptors allow your application to specify the arguments that will be
later used with another object, such as the FBFriendPickerViewController. By using a cache descriptor
instance, an application can choose to fetch data ahead of the point in time where the data is needed.
*/
@interface FBCacheDescriptor : NSObject
/*!
@method
@abstract
Fetches and caches the data described by the cache descriptor instance, for the given session.
@param session the <FBSession> to use for fetching data
*/
- (void)prefetchAndCacheForSession:(FBSession*)session;
@end
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