{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"PathSource::Expr(Some(parent)),"}]}
                PathSource::Expr(Some(parent)),
                Res::Def(kind @ (DefKind::Mod | DefKind::Trait | DefKind::TyAlias), _),
            ) if path_sep(self, err, parent, kind) => {