{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"rustc_hir::definitions::DefPathData::Ctor"}]}
                rustc_hir::definitions::DefPathData::Ctor => self
                // The name of a constructor is that of its parent.
                    .opt_item_name(DefId { krate: def_id.krate, index: def_key.parent.unwrap() }),