public Builder mergeSiteVersion(com.google.cloud.telcoautomation.v1alpha1.SiteVersion value) {
      if (siteVersionBuilder_ == null) {
        if (((bitField0_ & 0x00000001) != 0)
            && siteVersion_ != null
            && siteVersion_
                != com.google.cloud.telcoautomation.v1alpha1.SiteVersion.getDefaultInstance()) {
          getSiteVersionBuilder().mergeFrom(value);
        } else {
          siteVersion_ = value;
        }
      } else {
        siteVersionBuilder_.mergeFrom(value);
      }
      if (siteVersion_ != null) {
        bitField0_ |= 0x00000001;
        onChanged();
      }
      return this;
    }
<pre>
Output only. SiteVersion Hydration is targeting.
</pre>

<code>
.google.cloud.telcoautomation.v1alpha1.SiteVersion site_version = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-telcoautomation/proto-google-cloud-telcoautomation-v1alpha1/src/main/java/com/google/cloud/telcoautomation/v1alpha1/HydrationStatus.java