@abc.abstractmethod<EOL><INDENT>def get_format_type(self):<DEDENT>
return<EOL>
Gets the ``DisplayText`` format ``Type``.

        :return: the format ``Type``
        :rtype: ``osid.type.Type``
        :raise: ``IllegalState`` -- ``has_format_type()`` is ``false``

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