def supports_item_record_type(self, item_record_type=None):
if item_record_type is None:<EOL><INDENT>raise NullArgument()<EOL><DEDENT>return False<EOL>
Tests if the given ``Item`` record type is supported.

        arg:    item_record_type (osid.type.Type): a ``Type`` indicating
                a ``Item`` record type
        return: (boolean) - ``true`` if the given Type is supported,
                ``false`` otherwise
        raise:  NullArgument - ``item_record_type`` is ``null``
        *compliance: mandatory -- This method must be implemented.*