@NotNull
  public static Dimension getDefaultDiffWindowSize() {
    Rectangle screenBounds = ScreenUtil.getMainScreenBounds();
    int width = (int)(screenBounds.width * 0.8);
    int height = (int)(screenBounds.height * 0.8);
    return new Dimension(width, height);
  }
@NotNull
  public static Dimension getDefaultDiffWindowSize()