MBXCancelable
@interface MBXCancelable : NSObject
                Allows to cancel the associated asynchronous operation
The associated asynchronous operation is not automatically canceled if this object goes out of scope.
- 
                  
                  
Cancels the associated asynchronous operation
If the associated asynchronous operation has already finished, this call is ignored.
Declaration
Objective-C
- (void)cancel; 
        MBXCancelable Class Reference