@Override
  protected void updateTitle(@Nullable PsiVariable variable, String value) {
    if (variable == null || !variable.hasInitializer()) {
      super.updateTitle(variable, value);
    } else {

      final PsiExpression initializer = variable.getInitializer();
      assert initializer != null;
      String text = variable.getText().replace(variable.getName(), value);
      text = text.replace(initializer.getText(), PsiExpressionTrimRenderer.render(initializer));
      setPreviewText(text);
      revalidate();
    }
  }
@Override
  protected void updateTitle(@Nullable PsiVariable variable, String value)