@Override
        protected void processKeyEvent(@NotNull final KeyEvent e) {
          final char keyChar = e.getKeyChar();
          if (keyChar == KeyEvent.VK_ENTER || keyChar == KeyEvent.VK_TAB) {
            IdeFocusManager.getInstance(myProject)
                .requestFocus(myEditor.getContentComponent(), true)
                .doWhenDone(
                    new Runnable() {
                      @Override
                      public void run() {
                        IdeEventQueue.getInstance().getKeyEventDispatcher().dispatchKeyEvent(e);
                      }
                    });
            return;
          }

          super.processKeyEvent(e);
        }
  private void doHide(final boolean fireCanceled, final boolean explicitly) {
    if (myDisposed) {
      LOG.error(disposeTrace);
    } else {
      myHidden = true;

      try {
        super.hide();

        Disposer.dispose(this);

        assert myDisposed;
      } catch (Throwable e) {
        LOG.error(e);
      }
    }

    if (fireCanceled) {
      fireLookupCanceled(explicitly);
    }
  }