text: //
  //  YTKRequest.h
  //
  //  Copyright (c) 2012-2014 YTKNetwork https://github.com/yuantiku
  //
  //  Permission is hereby granted, free of charge, to any person obtaining a copy
  //  of this software and associated documentation files (the "Software"), to deal
  //  in the Software without restriction, including without limitation the rights
  //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  //  copies of the Software, and to permit persons to whom the Software is
  //  furnished to do so, subject to the following conditions:
  //
  //  The above copyright notice and this permission notice shall be included in
  //  all copies or substantial portions of the Software.
  //
  //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  //  THE SOFTWARE.
  
  #import "YTKBaseRequest.h"
  
  @interface YTKRequest : YTKBaseRequest
  
  @property (nonatomic) BOOL ignoreCache;
  
  // 返回当前缓存的对象
  - (id)cacheJson;
  
  // 是否当前的数据从缓存获得
  - (BOOL)isDataFromCache;
  
  // 返回是否当前缓存需要更新
  - (BOOL)isCacheVersionExpired;
  
  // 强制更新缓存
  - (void)startWithoutCache;
  
  // 手动将其他请求的JsonResponse写入该请求的缓存
  - (void)saveJsonResponseToCacheFile:(id)jsonResponse;
  
  // For subclass to overwrite
  - (NSInteger)cacheTimeInSeconds;
  - (long long)cacheVersion;
  - (id)cacheSensitiveData;
  
  @end
  