@java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      memoizedIsInitialized = 1;
      return true;
    }
<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