public YammerAttachment()
 {
     this.Likes = new YammerLikes();
 }
 public YammerMessage()
 {
     this.Attachments    = new List <YammerAttachment>();
     this.Likes          = new YammerLikes();
     this.MessageContent = new YammerMessageContent();
 }
 public YammerAttachment()
 {
     this.Likes = new YammerLikes();
 }