{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"self.tcx.coroutine_kind(closure_def_id).expect(\"coroutine"}]}
                self.tcx.coroutine_kind(closure_def_id).expect("coroutine should have kind")
            && let hir::CoroutineKind::Desugared(_, hir::CoroutineSource::Closure) =
            && let parent_hir_id =