@abc.abstractmethod<EOL><INDENT>def delete_item(self, item_id):<DEDENT>
pass<EOL>
Deletes the ``Item`` identified by the given ``Id``.

        :param item_id: the ``Id`` of the ``Item`` to delete
        :type item_id: ``osid.id.Id``
        :raise: ``NotFound`` -- an ``Item`` was not found identified by the given ``Id``
        :raise: ``NullArgument`` -- ``item_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure occurred

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