{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"TyKind::OpaqueType(opaque_ty_id,"}]}
                    TyKind::OpaqueType(opaque_ty_id, _) => *opaque_ty_id,
                let opaque_ty_id = match ty.kind(Interner) {
                    _ => return ty,