| Interface | Description | 
|---|---|
| Behavior | 
 The Behavior interface represents an object embodying a specific
 behavior belonging to a robot. 
 | 
| Class | Description | 
|---|---|
| Arbitrator | 
 An  Arbitrator object  manages a behavior control system by starting and stopping individual  behaviors  
 
by the calling the action() and suppress() methods on them. |