{"ast_node_type":"variable","tokens":[{"end":77,"kind":"keyword","start":0,"text":"let"}]}
                    let dir_name = osstr_as_utf8_bytes(dir_path.as_os_str());
                        split_path_dir_and_file(path.to_path(self.filename_display_preference));
                    let file_name = osstr_as_utf8_bytes(file_name);