@abc.abstractmethod<EOL><INDENT>def supports_commitment_notification(self):<DEDENT>
return<EOL>
Tests if commitment notification is supported.

        Messages may be sent when commitments are created, modified, or
        deleted.

        :return: ``true`` if commitment notification is supported ``,``  ``false`` otherwise
        :rtype: ``boolean``

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