* @see Adapter#addBodyEndFlowNode()
*/
private StepStartNode addBodyStartFlowNode(FlowHead head) {
StepStartNode start = new StepStartNode(head.getExecution(),
owner.getStepDescriptor(), head.get());
start.addAction(new BodyInvocationAction());
for (Action a : startNodeActions) {
if (a!=null)
start.addAction(a);
}
head.setNewHead(start);