{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"Err(RawStrError::InvalidStarter"}]}
            Err(RawStrError::InvalidStarter { bad_char }) => {
        match rustc_lexer::validate_raw_str(self.str_from(start), prefix_len) {
                self.report_non_started_raw_string(start, bad_char)