@java.lang.Override
  public com.google.cloud.workstations.v1.WorkstationClusterOrBuilder
      getWorkstationClusterOrBuilder() {
    return workstationCluster_ == null
        ? com.google.cloud.workstations.v1.WorkstationCluster.getDefaultInstance()
        : workstationCluster_;
  }
<pre>
Required. Workstation cluster to create.
</pre>

<code>
.google.cloud.workstations.v1.WorkstationCluster workstation_cluster = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-workstations/proto-google-cloud-workstations-v1/src/main/java/com/google/cloud/workstations/v1/CreateWorkstationClusterRequest.java