public Builder setWorkloadCluster(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      workloadCluster_ = value;
      bitField0_ |= 0x00001000;
      onChanged();
      return this;
    }
<pre>
Optional. Immutable. The WorkloadCluster on which to create the Deployment.
This field should only be passed when the deployment_level of the source
blueprint specifies deployments on workload clusters e.g.
WORKLOAD_CLUSTER_DEPLOYMENT.
</pre>

<code>
string workload_cluster = 13 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OPTIONAL];
</code>

@param value The workloadCluster to set.
@return This builder for chaining.
java-telcoautomation/proto-google-cloud-telcoautomation-v1alpha1/src/main/java/com/google/cloud/telcoautomation/v1alpha1/Deployment.java