{"ast_node_type":"variable","tokens":[{"end":79,"kind":"keyword","start":0,"text":"let"}]}
        let (analysis, position, conflicts) = fixture::annotations(ra_fixture);
    fn check_conflicts(new_name: &str, #[rust_analyzer::rust_fixture] ra_fixture: &str) {
        let source_change = analysis.rename(position, new_name).unwrap().unwrap();