@java.lang.Override
  @SuppressWarnings({"unused"})
  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
    return new ImageSource();
  }
<pre>
External image source (Google Cloud Storage or web URL image location).
</pre>

Protobuf type {@code google.cloud.vision.v1p3beta1.ImageSource}
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/ImageSource.java