fromJson static method
Implementation
@visibleForTesting
static FaceCaptureImage? fromJson(jsonObject) {
  if (jsonObject == null) return null;
  var result = FaceCaptureImage._privateConstructor();
  result._image = _bytesFromBase64(jsonObject["image"])!;
  result._imageType = ImageType.getByValue(jsonObject["imageType"])!;
  result._tag = jsonObject["tag"];
  return result;
}