public com.google.cloud.video.livestream.v1.Pool.Builder getPoolBuilder() {
      bitField0_ |= 0x00000002;
      onChanged();
      return getPoolFieldBuilder().getBuilder();
    }
<pre>
Required. The pool resource to be updated.
</pre>

<code>
.google.cloud.video.livestream.v1.Pool pool = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/UpdatePoolRequest.java