class Emoticon { String? emoji; String? url; int? width; int? height; String? emoticonUnique; Emoticon({ this.emoji, this.url, this.width, this.height, this.emoticonUnique, }); factory Emoticon.fromJson(Map json) => Emoticon( emoji: json['emoji'] as String?, url: json['url'] as String?, width: json['width'] as int?, height: json['height'] as int?, emoticonUnique: json['emoticon_unique'] as String?, ); }