- (AFHTTPRequestOperation *)HTTPRequestOperationWithRequest:(NSURLRequest *)request success:(void (^)(AFHTTPRequestOperation *, id))success failure:(void (^)(AFHTTPRequestOperation *, NSError *))failure {

    AFHTTPRequestOperation *requestOperation = [super HTTPRequestOperationWithRequest:request
                                                                              success:^(AFHTTPRequestOperation *operation, id responseObject) {
                                                                                  success(operation, responseObject);
                                                                              }
                                                                              failure:^(AFHTTPRequestOperation *operation, NSError *error) {
                                                                                  failure(operation, error);
                                                                              }
                                                ];

    return requestOperation;
}