public Builder setRetentionConfig(
        com.google.cloud.video.livestream.v1.RetentionConfig.Builder builderForValue) {
      if (retentionConfigBuilder_ == null) {
        retentionConfig_ = builderForValue.build();
      } else {
        retentionConfigBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00020000;
      onChanged();
      return this;
    }
<pre>
Optional. Configuration for retention of output files for this channel.
</pre>

<code>
.google.cloud.video.livestream.v1.RetentionConfig retention_config = 26 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Channel.java