public Builder mergeHydration(com.google.cloud.telcoautomation.v1.HydrationStatus value) {
      if (hydrationBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)
            && hydration_ != null
            && hydration_
                != com.google.cloud.telcoautomation.v1.HydrationStatus.getDefaultInstance()) {
          getHydrationBuilder().mergeFrom(value);
        } else {
          hydration_ = value;
        }
      } else {
        hydrationBuilder_.mergeFrom(value);
      }
      if (hydration_ != null) {
        bitField0_ |= 0x00000004;
        onChanged();
      }
      return this;
    }
<pre>
Output only. Hydration status.
</pre>

<code>
.google.cloud.telcoautomation.v1.HydrationStatus hydration = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/NFDeploySiteStatus.java