private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.telcoautomation.v1.SiteVersion,
            com.google.cloud.telcoautomation.v1.SiteVersion.Builder,
            com.google.cloud.telcoautomation.v1.SiteVersionOrBuilder>
        getSiteVersionFieldBuilder() {
      if (siteVersionBuilder_ == null) {
        siteVersionBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.telcoautomation.v1.SiteVersion,
                com.google.cloud.telcoautomation.v1.SiteVersion.Builder,
                com.google.cloud.telcoautomation.v1.SiteVersionOrBuilder>(
                getSiteVersion(), getParentForChildren(), isClean());
        siteVersion_ = null;
      }
      return siteVersionBuilder_;
    }
<pre>
Output only. SiteVersion running in the workload cluster.
</pre>

<code>
.google.cloud.telcoautomation.v1.SiteVersion site_version = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/WorkloadStatus.java