@java.lang.Override
  public com.google.protobuf.ByteString getUriBytes() {
    java.lang.Object ref = uri_;
    if (ref instanceof java.lang.String) {
      com.google.protobuf.ByteString b =
          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
      uri_ = b;
      return b;
    } else {
      return (com.google.protobuf.ByteString) ref;
    }
  }
<pre>
Google Cloud Storage URI for the input file. This must only be a GCS
object. Wildcards are not currently supported.
</pre>

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

@return The bytes for uri.
java-vision/proto-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/GcsSource.java