import com.intellij.ide.util.gotoByName.ChooseByNameFilter; //导入依赖的package包/类
protected <T> void showNavigationPopup(final GotoActionCallback<T> callback,
                                       @Nullable final String findUsagesTitle,
                                       final ChooseByNamePopup popup) {


  final Class startedAction = myInAction;
  LOG.assertTrue(startedAction != null);

  popup.setCheckBoxShortcut(getShortcutSet());
  popup.setFindUsagesTitle(findUsagesTitle);
  final ChooseByNameFilter<T> filter = callback.createFilter(popup);

  popup.invoke(new ChooseByNamePopupComponent.Callback() {

    @Override
    public void onClose() {
      ourLastStrings.put(myInAction, Pair.create(popup.getEnteredText(), popup.getSelectedIndex()));
      //noinspection ConstantConditions
      if (startedAction != null && startedAction.equals(myInAction)) {
        myInAction = null;
      }
      if (filter != null) {
        filter.close();
      }
    }

    @Override
    public void elementChosen(Object element) {
      callback.elementChosen(popup, element);
    }
  }, ModalityState.current(), true);
}
 

import com.intellij.ide.util.gotoByName.ChooseByNameFilter; //导入依赖的package包/类
@Nullable
protected ChooseByNameFilter<T> createFilter(@NotNull ChooseByNamePopup popup) {
  return null;
}