{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"sm.span_extend_while(seg1.ident.span.shrink_to_hi(),"}]}
                            sm.span_extend_while(seg1.ident.span.shrink_to_hi(), |c| c == ':')
                        err.span_suggestion_verbose(
                                .unwrap(),