private MutableStylerList createEngineStylerList(
StyleSheetInternal internalStyleSheet,
int depth) {
ImmutableStylerList stylerList = internalStyleSheet.getStylerList();
MutableStylerList engineStylerList = new MutableStylerListImpl();
for (Iterator i = stylerList.iterator(); i.hasNext();) {
Styler styler = (Styler) i.next();
EngineStyler engineStyler = new EngineStylerImpl(
styler, depth);
engineStylerList.append(engineStyler);
}