{"ast_node_type":"function","tokens":[{"end":73,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn get_lines(&self, span: Span) -> (usize, usize, usize, usize) {
    /// Return lines corresponding to this `Span`.
        let lines = &self.tcx.sess.source_map().span_to_location_info(span);