@utilities.arguments_not_none<EOL><INDENT>def delete_composition_node(self, composition_id):<DEDENT>
raise Unimplemented()<EOL>
Deletes a ``Composition`` and all contained children.

        arg:    composition_id (osid.id.Id): the ``Id`` of the
                ``Composition`` to remove
        raise:  NotFound - ``composition_id`` not found
        raise:  NullArgument - ``composition_id`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        *compliance: mandatory -- This method must be implemented.*