for (IModelElementDelta folderDelta : fragmentDelta.getAffectedChildren()) {
assertTrue(folderDelta.getElement() instanceof IScriptFolder);
for (IModelElementDelta moduleDelta : folderDelta.getAffectedChildren()) {
IModelElement element = moduleDelta.getElement();
assertTrue(element instanceof ISourceModule);
ISourceModule sourceModule = (ISourceModule) element;
visitSourceModule(moduleDelta, sourceModule);
}