{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"CanonicalizeMode::Input(CanonicalizeInputKind::ParamEnv)"}]}
            CanonicalizeMode::Input(CanonicalizeInputKind::ParamEnv)
        match self.canonicalize_mode {
            | CanonicalizeMode::Response { max_input_universe: _ } => {}