{"ast_node_type":"variable","tokens":[{"end":70,"kind":"keyword","start":0,"text":"let"}]}
        let ct = self.ecx.replace_bound_vars(ct, &mut self.universes);
    fn visit_const(&mut self, ct: I::Const) -> Self::Result {
        let Ok(ct) = self.ecx.structurally_normalize_const(self.param_env, ct) else {