UserStatus
        
        Description:
        public enum UserStatus
        
        
          Represents the possible statuses a client can have.
         
        
        
        Content:
        Enum values:
        
          - AWAY - User is away. Clients can set this 
              e.g. after a user defined inactivity time.
- BUSY - User is busy. Signals to other 
              clients that this client does not currently wish to communicate.
- NONE - User is online and available.