toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'id': id,
'built_in_accent_color_id': builtInAccentColorId,
'light_theme_colors': lightThemeColors.map((item) => item).toList(),
'dark_theme_colors': darkThemeColors.map((item) => item).toList(),
'min_channel_chat_boost_level': minChannelChatBoostLevel,
'@type': constructor,
};