private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.telcoautomation.v1alpha1.HydratedDeployment,
            com.google.cloud.telcoautomation.v1alpha1.HydratedDeployment.Builder,
            com.google.cloud.telcoautomation.v1alpha1.HydratedDeploymentOrBuilder>
        getHydratedDeploymentFieldBuilder() {
      if (hydratedDeploymentBuilder_ == null) {
        hydratedDeploymentBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.telcoautomation.v1alpha1.HydratedDeployment,
                com.google.cloud.telcoautomation.v1alpha1.HydratedDeployment.Builder,
                com.google.cloud.telcoautomation.v1alpha1.HydratedDeploymentOrBuilder>(
                getHydratedDeployment(), getParentForChildren(), isClean());
        hydratedDeployment_ = null;
      }
      return hydratedDeploymentBuilder_;
    }
<pre>
Required. The hydrated deployment to update.
</pre>

<code>
.google.cloud.telcoautomation.v1alpha1.HydratedDeployment hydrated_deployment = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-telcoautomation/proto-google-cloud-telcoautomation-v1alpha1/src/main/java/com/google/cloud/telcoautomation/v1alpha1/UpdateHydratedDeploymentRequest.java