{"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"if"}]}
                if let hir::def::DefKind::TyAlias | hir::def::DefKind::AssocTy =
                let parent_ty = self.tcx.type_of(parent).instantiate_identity();
                    self.tcx.def_kind(parent)