{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"ConstVariableValue::Known"}]}
                ConstVariableValue::Known { value: _ } => {
            .map(|index| match table.probe_value(index) {
                    ConstVariableOrigin { param_def_id: None, span: rustc_span::DUMMY_SP }