private com.google.protobuf.SingleFieldBuilderV3<
              com.google.cloud.video.livestream.v1.Encryption.Widevine,
              com.google.cloud.video.livestream.v1.Encryption.Widevine.Builder,
              com.google.cloud.video.livestream.v1.Encryption.WidevineOrBuilder>
          getWidevineFieldBuilder() {
        if (widevineBuilder_ == null) {
          widevineBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.cloud.video.livestream.v1.Encryption.Widevine,
                  com.google.cloud.video.livestream.v1.Encryption.Widevine.Builder,
                  com.google.cloud.video.livestream.v1.Encryption.WidevineOrBuilder>(
                  getWidevine(), getParentForChildren(), isClean());
          widevine_ = null;
        }
        return widevineBuilder_;
      }
<pre>
Widevine configuration.
</pre>

<code>.google.cloud.video.livestream.v1.Encryption.Widevine widevine = 1;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Encryption.java