{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"MultiSpan::from_spans(traits.iter().map(|&did|"}]}
                MultiSpan::from_spans(traits.iter().map(|&did| self.tcx.def_span(did)).collect());
            let span =
            let mut names = format!("`{}`", self.tcx.def_path_str(traits[0]));