@abc.abstractmethod<EOL><INDENT>def supports_calendar_type(self, calendar_type):<DEDENT>
return<EOL>
Tests if the given calendar type is supported.

        :param calendar_type: a calendar Type
        :type calendar_type: ``osid.type.Type``
        :return: ``true`` if the type is supported, ``false`` otherwise
        :rtype: ``boolean``
        :raise: ``IllegalState`` -- syntax is not a ``DATETIME`` or ``DURATION``
        :raise: ``NullArgument`` -- ``calendar_type`` is ``null``

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