Rooms
constructor(knock: Map<RoomId, Sync.Response.Rooms.KnockedRoom>? = null, join: Map<RoomId, Sync.Response.Rooms.JoinedRoom>? = null, invite: Map<RoomId, Sync.Response.Rooms.InvitedRoom>? = null, leave: Map<RoomId, Sync.Response.Rooms.LeftRoom>? = null)