@abc.abstractmethod<EOL><INDENT>def get_explicit_authorization(self, authorization_id):<DEDENT>
return<EOL>
Gets the explicit ``Authorization`` that generated the given implicit authorization.

        If the given ``Authorization`` is explicit, then the same
        ``Authorization`` is returned.

        :param authorization_id: an authorization
        :type authorization_id: ``osid.id.Id``
        :return: the explicit ``Authorization``
        :rtype: ``osid.authorization.Authorization``
        :raise: ``NotFound`` -- ``authorization_id`` is not found
        :raise: ``NullArgument`` -- ``authorization_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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