@abc.abstractmethod<EOL><INDENT>def set_title(self, title):<DEDENT>
pass<EOL>
Sets the title.

        :param title: the new title
        :type title: ``string``
        :raise: ``InvalidArgument`` -- ``title`` is invalid
        :raise: ``NoAccess`` -- ``Metadata.isReadOnly()`` is ``true``
        :raise: ``NullArgument`` -- ``title`` is ``null``

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