public ConversationUserAddedEventArgs(string conversationID, string gaiaID, string chatID, long timestamp, string eventType, string eventID, string type, Participant.ID[] participants)
     : base(conversationID, gaiaID, chatID, timestamp, eventType, eventID)
 {
     this.MembershipChange = new HangoutsEvent.MembershipChangeEvent(type, participants);
 }
 public HangoutsEvent(string id, Participant.ID sender, long timestamp, ChatMessage chatMessage, RenameEvent renameEvent, MembershipChangeEvent membershipChange)
 {
     this.ID = id;
     this.Sender = sender;
     this.Timestamp = timestamp;
     this.ChatMessage = chatMessage;
     this.Rename = renameEvent;
     this.MembershipChange = membershipChange;
 }