@abc.abstractmethod<EOL><INDENT>def apply_commitment_sequencing(self, commitment_search_order):<DEDENT>
pass<EOL>
Applies a commitment search order to this calendar.

        :param commitment_search_order: the commitment search order
        :type commitment_search_order: ``osid.calendaring.CommitmentSearchOrder``
        :raise: ``NullArgument`` -- ``commitment_search_order`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure occurred
        :raise: ``Unsupported`` -- ``commitment_search_order`` not of this service

        *compliance: mandatory -- This method must be implemented.*