AuthorEvent Event representing a change to author mode.
 ChangeEvent Event representing that a piece of data changed.
 ChatEvent Represents a chat event in the room.
 LoosePropEvent Represents a change to one or more loose props in the room.
 MessageEvent Represents inter-object messaging events.
 RoomEvent Represents a variety of possible events that take place in the current room.
 RoomObjectEvent Represents events relating to an object (app) in the current room.
 StateHistoryEvent Event representing a change to the object's state history.
 UserEvent Represents events that relate to a user in the current room.