public Builder mergeClearkey(com.google.cloud.video.livestream.v1.Encryption.Clearkey value) {
        if (clearkeyBuilder_ == null) {
          if (((bitField0_ & 0x00000008) != 0)
              && clearkey_ != null
              && clearkey_
                  != com.google.cloud.video.livestream.v1.Encryption.Clearkey
                      .getDefaultInstance()) {
            getClearkeyBuilder().mergeFrom(value);
          } else {
            clearkey_ = value;
          }
        } else {
          clearkeyBuilder_.mergeFrom(value);
        }
        if (clearkey_ != null) {
          bitField0_ |= 0x00000008;
          onChanged();
        }
        return this;
      }
<pre>
Clearkey configuration.
</pre>

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