toJson method
Implementation
Map<String, dynamic> toJson() => {
"gold": gold == null ? null : gold,
"blue": blue == null ? null : blue,
"silver": silver == null ? null : silver,
"black": black == null ? null : black,
"vertical": vertical == null ? null : vertical,
"horizontal": horizontal == null ? null : horizontal,
"pill": pill == null ? null : pill,
"rect": rect == null ? null : rect,
"responsive": responsive == null ? null : responsive,
"small": small == null ? null : small,
"medium": medium == null ? null : medium,
"large": large == null ? null : large,
"Flat rate": flatRate == null ? null : flatRate!.toJson(),
"Free shipping": freeShipping == null ? null : freeShipping!.toJson(),
"Local pickup": localPickup == null ? null : localPickup!.toJson(),
"live": live == null ? null : live,
"sandbox": sandbox == null ? null : sandbox,
"Billing": billing == null ? null : billing,
"Login": login == null ? null : login,
"dark": dark == null ? null : dark,
"light": light == null ? null : light,
"light-outline": lightOutline == null ? null : lightOutline,
"default": optionsDefault == null ? null : optionsDefault,
"buy": buy == null ? null : buy,
"donate": donate == null ? null : donate,
"sale": sale == null ? null : sale,
"authorization": authorization == null ? null : authorization,
"add": add == null ? null : add,
"drop": drop == null ? null : drop,
};