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

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

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

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

sS uploadImage(S urlOrPath) {
  if (isAbsoluteURL(urlOrPath)) {
    byte[] data = loadBinaryPage(urlOrPath);
    assertTrue(isJPEG_GIF_PNG(data));
    ret uploadToImageServer_rawBytes(data, urlOrPath);
  } else
    ret uploadImage(newFile(urlOrPath));
}