public Builder mergeGoogleCdnKey(com.google.cloud.video.stitcher.v1.GoogleCdnKey value) {
      if (googleCdnKeyBuilder_ == null) {
        if (cdnKeyConfigCase_ == 5
            && cdnKeyConfig_
                != com.google.cloud.video.stitcher.v1.GoogleCdnKey.getDefaultInstance()) {
          cdnKeyConfig_ =
              com.google.cloud.video.stitcher.v1.GoogleCdnKey.newBuilder(
                      (com.google.cloud.video.stitcher.v1.GoogleCdnKey) cdnKeyConfig_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          cdnKeyConfig_ = value;
        }
        onChanged();
      } else {
        if (cdnKeyConfigCase_ == 5) {
          googleCdnKeyBuilder_.mergeFrom(value);
        } else {
          googleCdnKeyBuilder_.setMessage(value);
        }
      }
      cdnKeyConfigCase_ = 5;
      return this;
    }
<pre>
The configuration for a Google Cloud CDN key.
</pre>

<code>.google.cloud.video.stitcher.v1.GoogleCdnKey google_cdn_key = 5;</code>
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/CdnKey.java