{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"self.input_vec_index2range(start_idx).start..self.input_vec_index2range(end_idx).start;"}]}
            self.input_vec_index2range(start_idx).start..self.input_vec_index2range(end_idx).start;
        let position_span =
        Argument { position, position_span, format }