public static Builder newBuilder(
        com.google.cloud.video.transcoder.v1.Encryption.DrmSystems prototype) {
      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }
<pre>
Clearkey configuration.
</pre>

<code>.google.cloud.video.transcoder.v1.Encryption.Clearkey clearkey = 4;</code>
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Encryption.java