def _get_field_names(self, include_private=False, use_db_fields=False):
        """Returns an ordered tuple of field names of this document.

        Args:
            include_private (False): whether to include private fields
            use_db_fields (False): whether to return database fields

        Returns:
            a tuple of field names
        """
        return self._doc._get_field_names(
            include_private=include_private,
            use_db_fields=use_db_fields,
        )
Returns an ordered tuple of field names of this document.

        Args:
            include_private (False): whether to include private fields
            use_db_fields (False): whether to return database fields

        Returns:
            a tuple of field names
        
fiftyone/core/document.py