public function getAllowedOperations()
    {
        return [
            self::OPERATION_REQUEST,
            self::OPERATION_CANCEL,
            self::OPERATION_APPROVE,
            self::OPERATION_REJECT,
            self::OPERATION_QUERY,
        ];
    }
public function getAllowedOperations()
    {
        return [
            self::OPERATION_REQUEST,
            self::OPERATION_CANCEL,
            self::OPERATION_APPROVE,
            self::OPERATION_REJECT,
            self::OPERATION_QUERY,
        ];
    }
public function getAllowedOperations ( ) { return [ self :: OPERATION_REQUEST , self :: OPERATION_CANCEL , self :: OPERATION_APPROVE , self :: OPERATION_REJECT , self :: OPERATION_QUERY , ] ; }
Getting the array of the allowed operations.

@return array
Getting the array of the allowed operations .