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

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