@abc.abstractmethod<EOL><INDENT>def has_type(self, type_):<DEDENT>
return<EOL>
Tests if the given ``Type`` is known.

        :param type: the ``Type`` to look for
        :type type: ``osid.type.Type``
        :return: ``true`` if the given ``Type`` is known, ``false`` otherwise
        :rtype: ``boolean``
        :raise: ``NullArgument`` -- ``type`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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