+(void)multiPartHTTPRequest:(NSString *)fileURL  filePath:(NSURL *)filePath
                 parameters:(NSDictionary*)parameters
                    success:(id)successBlock
                       fail:(id)failBlock;
+(void)postgetAFHTTPOperation:(NSString *)fileURL parameters:(NSDictionary*)parameters
                         type:(NSString *)type
                             success:(id)successBlock
                                fail:(id)failBlock
+(void)createAFHTTPDownloadTask:(NSURL*)downloadURL isResume:(BOOL)isResume withData:(NSData *)data destination:(id)destination success:(id)successBlock;
+ (void)createAFHTTPUploadTask:(NSURL*)uploadURL filePath:(NSURL*)filePath destination:(id)destination success:(id)successBlock;