private static @NotNull String logPrefix(@Nullable GraphicsConfiguration cfg, @NotNull VolatileImage image) {
      return "(" + (cfg == null ? "null" : cfg.getClass().getSimpleName()) + ") "
             + image.getWidth() + "x" + image.getHeight() + " ";
    }
private static @NotNull String logPrefix(@Nullable GraphicsConfiguration cfg, @NotNull VolatileImage image)