{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"err.span_suggestion_verbose("}]}
                        err.span_suggestion_verbose(
                        let sm = self.infcx.tcx.sess.source_map();
                            sm.span_extend_while(seg1.ident.span.shrink_to_hi(), |c| c == ':')