private static void assertChildren(
     final Element element, final int[] offsets, final AttributeSet[] attributes) {
   DefStyledDoc_Helpers.assertChildren(element, offsets, attributes);
 }
 private static List<?> getEdits(final DefaultDocumentEvent event) {
   return DefStyledDoc_Helpers.getEdits(event);
 }
 private static void assertChange(
     final Object change, final int[] removedOffsets, final int[] addedOffsets) {
   DefStyledDoc_Helpers.assertChange((ElementChange) change, removedOffsets, addedOffsets);
 }