{"ast_node_type":"variable","tokens":[{"end":70,"kind":"keyword","start":0,"text":"let"}]}
        let file_change = do_type_char(char_typed, ra_fixture_before);
    fn type_char_noop(char_typed: char, #[rust_analyzer::rust_fixture] ra_fixture_before: &str) {
        assert_eq!(file_change, None)