private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.telcoautomation.v1alpha1.HydrationStatus,
            com.google.cloud.telcoautomation.v1alpha1.HydrationStatus.Builder,
            com.google.cloud.telcoautomation.v1alpha1.HydrationStatusOrBuilder>
        getHydrationFieldBuilder() {
      if (hydrationBuilder_ == null) {
        hydrationBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.telcoautomation.v1alpha1.HydrationStatus,
                com.google.cloud.telcoautomation.v1alpha1.HydrationStatus.Builder,
                com.google.cloud.telcoautomation.v1alpha1.HydrationStatusOrBuilder>(
                getHydration(), getParentForChildren(), isClean());
        hydration_ = null;
      }
      return hydrationBuilder_;
    }
<pre>
Output only. Hydration status.
</pre>

<code>
.google.cloud.telcoautomation.v1alpha1.HydrationStatus hydration = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-telcoautomation/proto-google-cloud-telcoautomation-v1alpha1/src/main/java/com/google/cloud/telcoautomation/v1alpha1/NFDeploySiteStatus.java