private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
        getCreateTimeFieldBuilder();
        getUpdateTimeFieldBuilder();
        getNetworkConfigFieldBuilder();
      }
    }
<pre>
Pool resource defines the configuration of Live Stream pools for a specific
location. Currently we support only one pool resource per project per
location. After the creation of the first input, a default pool is created
automatically at "projects/{project}/locations/{location}/pools/default".
</pre>

Protobuf type {@code google.cloud.video.livestream.v1.Pool}
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/Pool.java