sym_lossy, sym_level, sym_quality, sym_char, sym_short,
sym_long_long, sym_double;
static ID id_include, id_serialize, id_push, id_keys,
sym_lossy, sym_level, sym_quality, sym_char, sym_short,
sym_long_long, sym_double;
static ID id_include, id_serialize, id_push, id_keys,