| AbstractEnvironmentSpace | Abstract base class for environment space. | 
| AbstractTask | Empty default implementation for object tasks. | 
| AvatarMapping | Relationship specification between an component type and an avatar type. | 
| ComponentActionList | The list of scheduled component actions and convenience methods for
  executing selected actions. | 
| ComponentActionList.ActionEntry | Entry for a scheduled action. | 
| DefaultObjectCreationProcess | Process for continuously creating objects in the space. | 
| DeltaTimeExecutor | Space executor that connects to a clock service and reacts on time deltas. | 
| EnvironmentEvent | An event in the environment (related to some space object). | 
| LocalObjectListener |  | 
| ObjectEvent | An EnvironmentObject event. | 
| ObjectEvent.PrimitiveEventType | Primitive Event type | 
| PerceptList | The list of scheduled component percepts and convenience methods for
  processing selected percepts. | 
| PerceptList.PerceptEntry | Entry for a scheduled percept. | 
| PerceptType | Class for representation a percept type, which has a name,
  a set of object types and a set of component types. | 
| RoundBasedExecutor | Synchronized execution of all actions in rounds based on clock ticks. | 
| ServiceVisionProcessor |  | 
| SpaceObject | Default implementation of a space object. | 
| SynchronizedPropertyObject | Basic synchronized IPropertyObject implementation. |