public com.google.protobuf.ByteString getGcsImageUriBytes() {
      java.lang.Object ref = gcsImageUri_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        gcsImageUri_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
**Use `image_uri` instead.**

The Google Cloud Storage  URI of the form
`gs://bucket_name/object_name`. Object versioning is not supported. See
[Google Cloud Storage Request
URIs](https://cloud.google.com/storage/docs/reference-uris) for more info.
</pre>

<code>string gcs_image_uri = 1;</code>

@return The bytes for gcsImageUri.
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/ImageSource.java