@Override
  protected @Nullable ValidationInfo doValidate() {
    ValidationInfo info = null;
    try {
      var value = Integer.parseInt(content.newValueField.getText());
      if (value <= myLowerBound) info = new ValidationInfo(DiagnosticBundle.message("change.memory.low", myLowerBound), content.newValueField);
    }
    catch (NumberFormatException e) {
      info = new ValidationInfo(UIBundle.message("please.enter.a.number"), content.newValueField);
    }
    mySaveAndExitAction.setEnabled(info == null);
    mySaveAction.setEnabled(info == null);
    return info;
  }
@Override
  protected @Nullable ValidationInfo doValidate()