public com.google.cloud.video.livestream.v1.Encryption.SecretManagerSource.Builder
        getSecretManagerKeySourceBuilder() {
      return getSecretManagerKeySourceFieldBuilder().getBuilder();
    }
<pre>
For keys stored in Google Secret Manager.
</pre>

<code>
.google.cloud.video.livestream.v1.Encryption.SecretManagerSource secret_manager_key_source = 7;
</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Encryption.java