static S uploadImageToServer(BufferedImage img, S name) {
  ret uploadToImageServerIfNotThere(img, name);
}

static S uploadImageToServer(File f, BufferedImage img, S name) {
  ret uploadToImageServerIfNotThere(f, img, name);
}

static S uploadImageToServer(File f) {
  ret uploadToImageServerIfNotThere(f);
}