User constructor
      
      User({})
     
    
    
Implementation
User({
  required this.id,
  required this.isBot,
  required this.firstName,
  this.lastName,
  this.username,
  this.languageCode,
  this.isPremium,
  this.addedToAttachmentMenu,
  this.canJoinGroups,
  this.canReadAllGroupMessages,
  this.supportsInlineQueries,
});