Sticker constructor
      const
      Sticker({ 
    
- required int id,
- required int setId,
- required int width,
- required int height,
- required String emoji,
- required StickerFormat format,
- required StickerFullType fullType,
- required List<ClosedVectorPath> outline,
- Thumbnail? thumbnail,
- required File sticker,
- dynamic extra,
- int? clientId,
Describes a sticker
Implementation
const Sticker({
  required this.id,
  required this.setId,
  required this.width,
  required this.height,
  required this.emoji,
  required this.format,
  required this.fullType,
  required this.outline,
  this.thumbnail,
  required this.sticker,
  this.extra,
  this.clientId,
});