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 url) {
  byte[] data = loadBinaryPage(url);
  assertTrue(isJPEG_GIF_PNG(data));
  ret uploadToImageServer_rawBytes(data, url);
}