public Builder setSiteVersion(com.google.cloud.telcoautomation.v1.SiteVersion value) {
      if (siteVersionBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        siteVersion_ = value;
      } else {
        siteVersionBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }
<pre>
Output only. SiteVersion Hydration is targeting.
</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/HydrationStatus.java