for (Swimlane swimlane : swimlanes) {
Element swimlaneElement = writeElement(document, root, swimlane);
writeDelegation(document, swimlaneElement, ASSIGNMENT_NODE, swimlane);
}
StartState startState = definition.getFirstChild(StartState.class);
if (startState != null) {
Element startStateElement = writeTaskState(document, root, startState);
writeTransitions(document, startStateElement, startState);
}