@abc.abstractmethod<EOL><INDENT>def apply_package_sequencing(self, package_search_order):<DEDENT>
pass<EOL>
Applies a package search order to this depot.

        :param package_search_order: the package search order
        :type package_search_order: ``osid.installation.PackageSearchOrder``
        :raise: ``NullArgument`` -- ``package_search_order`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure occurred
        :raise: ``Unsupported`` -- ``package_search_order`` not of this service

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