GraphicElement[][] elements = {galleries, skins, envelopes, layouts};
for (int i = 0; i < elements.length; i++) {
GraphicElement[] elementsArray = elements[i];
for (int j = 0; j < elementsArray.length; j++) {
GraphicElement element = elementsArray[j];
element.acceptVisit(visitor);
}
}
//Add panelInstances
PanelInstance[] panelInstances = getPanelInstances();