{"ast_node_type":"other","tokens":[{"end":107,"kind":"keyword","start":0,"text":"hir::OpaqueTyOrigin::AsyncFn"}]}
                hir::OpaqueTyOrigin::AsyncFn { parent, .. }  | hir::OpaqueTyOrigin::FnReturn { parent, .. }
                node.expect_opaque_ty().origin,
                    if parent == impl_m.def_id.expect_local()