| class  | ActivityImpl | The BPMN activity element | 
| class  | BoundaryEventImpl | The BPMN boundaryEvent element | 
| class  | BusinessRuleTaskImpl | The BPMN businessRuleTask element | 
| class  | CallActivityImpl | The BPMN callActivity element | 
| class  | CatchEventImpl | The BPMN catchEvent element | 
| class  | ComplexGatewayImpl | The BPMN complexGateway element | 
| class  | EndEventImpl | The BPMN endEvent element | 
| class  | EventBasedGatewayImpl | The BPMN eventBasedGateway element | 
| class  | EventImpl | The BPMN event element | 
| class  | ExclusiveGatewayImpl | The BPMN exclusiveGateway element | 
| class  | GatewayImpl | The BPMN gateway element | 
| class  | InclusiveGatewayImpl | The BPMN inclusiveGateway element | 
| class  | IntermediateCatchEventImpl | The BPMN intermediateCatchEvent element | 
| class  | IntermediateThrowEventImpl | The BPMN intermediateThrowEvent element | 
| class  | ManualTaskImpl | The BPMN manualTask element | 
| class  | ParallelGatewayImpl | The BPMN parallelGateway element | 
| class  | ReceiveTaskImpl | The BPMN receiveTask element | 
| class  | ScriptTaskImpl | The BPMN scriptTask element | 
| class  | SendTaskImpl | The BPMN sendTask element | 
| class  | ServiceTaskImpl | The BPMN serviceTask element | 
| class  | StartEventImpl | The BPMN startEvent element | 
| class  | SubProcessImpl | The BPMN subProcess element | 
| class  | TaskImpl | The BPMN task element | 
| class  | ThrowEventImpl | The BPMN throwEvent element | 
| class  | TransactionImpl |  | 
| class  | UserTaskImpl | The BPMN userTask element |