@Override
  protected @NotNull Icon getErrorLogo2x() {
    if (cachedErrorLogo2x == null) {
      //noinspection AssignmentToStaticFieldFromInstanceMethod
      cachedErrorLogo2x = super.getErrorLogo2x();
    }
    return cachedErrorLogo2x;
  }
@Override
  protected @NotNull Icon getErrorLogo2x()