public Builder setPrivateClusterConfig(
        com.google.cloud.workstations.v1beta.WorkstationCluster.PrivateClusterConfig.Builder
            builderForValue) {
      if (privateClusterConfigBuilder_ == null) {
        privateClusterConfig_ = builderForValue.build();
      } else {
        privateClusterConfigBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00002000;
      onChanged();
      return this;
    }
<pre>
Optional. Configuration for private workstation cluster.
</pre>

<code>
.google.cloud.workstations.v1beta.WorkstationCluster.PrivateClusterConfig private_cluster_config = 12 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-workstations/proto-google-cloud-workstations-v1beta/src/main/java/com/google/cloud/workstations/v1beta/WorkstationCluster.java