[Abstract class] Internal object of the class fcf.Actions, used to terminate the asynchronous handler
The method is called when the fcf.Actions handler completes successfully
mixed a_value - The value returned by the asynchronous operation fcf.Actions. An asynchronous action object Promise|fcf.Actions can be passed as a result.
The method is called when the handler finishes executing fcf.Actions in case of an error
ErrorObject a_error - Error Object