{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"self.source_map().span_data_to_lines_and_cols(span)"}]}
        self.source_map().span_data_to_lines_and_cols(span)
    ) -> Option<(StableSourceFileId, usize, BytePos, usize, BytePos)> {
    }