private void fireCurrentItemChanged(
@Nullable LookupElement oldItem, @Nullable LookupElement currentItem) {
if (oldItem != currentItem && !myListeners.isEmpty()) {
LookupEvent event = new LookupEvent(this, currentItem, (char) 0);
for (LookupListener listener : myListeners) {
listener.currentItemChanged(event);
}
}
}
