{"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"match"}]}
        match self.hir_node_by_def_id(id) {
    pub fn hir_expect_opaque_ty(self, id: LocalDefId) -> &'tcx OpaqueTy<'tcx> {
            Node::OpaqueTy(opaq) => opaq,