How to use

MapSnapshot$SingleItemIterator

in

org.netbeans.modules.cnd.utils.cache

@Override
public Iterator<Map.Entry<CharSequence, APTMacro>> iterator() {
  if (storage instanceof CharSequence) {
    return new SingleItemIterator((CharSequence) storage, UNDEFINED_MACRO);
  } else if (storage instanceof APTMacro) {
    APTMacro value = (APTMacro) storage;
    return new SingleItemIterator(value.getName().getTextID(), value);
  } else {
    return super.iterator();
  }
}