@Override
public List<Item> subList(final int arg0, final int arg1) {
ItemVector result = new ItemVector(doc_, false);
for (int i = arg0; i <= arg1; i++) {
result.add(itemNames_.get(i));
}
return result;
}
@Override
public Object clone() {
ItemVector iv = new ItemVector(doc_, false);
iv.addAllStrings(itemNames_);
return iv;
}