@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (java.lang.Double.doubleToRawLongBits(strength_) != 0) {
        output.writeDouble(1, strength_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(tune_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 2, tune_);
      }
      getUnknownFields().writeTo(output);
    }
<pre>
Set the denoiser mode. The default is `standard`.

Supported denoiser modes:

- `standard`
- `grain`
</pre>

<code>string tune = 2;</code>

@return The bytes for tune.
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/PreprocessingConfig.java