@utilities.arguments_not_none<EOL><INDENT>def get_assignable_repository_ids_for_composition(self, repository_id, composition_id):<DEDENT>
<EOL>return self.get_assignable_repository_ids(repository_id)<EOL>
Gets a list of repositories including and under the given repository node in which a specific composition can be assigned.

        arg:    repository_id (osid.id.Id): the ``Id`` of the
                ``Repository``
        arg:    composition_id (osid.id.Id): the ``Id`` of the
                ``Composition``
        return: (osid.id.IdList) - list of assignable repository ``Ids``
        raise:  NullArgument - ``repository_id`` or ``composition_id``
                is ``null``
        raise:  OperationFailed - unable to complete request
        *compliance: mandatory -- This method must be implemented.*