private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.visionai.v1.DeployedIndex,
            com.google.cloud.visionai.v1.DeployedIndex.Builder,
            com.google.cloud.visionai.v1.DeployedIndexOrBuilder>
        getDeployedIndexFieldBuilder() {
      if (deployedIndexBuilder_ == null) {
        deployedIndexBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.visionai.v1.DeployedIndex,
                com.google.cloud.visionai.v1.DeployedIndex.Builder,
                com.google.cloud.visionai.v1.DeployedIndexOrBuilder>(
                getDeployedIndex(), getParentForChildren(), isClean());
        deployedIndex_ = null;
      }
      return deployedIndexBuilder_;
    }
<pre>
Required. Index to deploy.
</pre>

<code>
.google.cloud.visionai.v1.DeployedIndex deployed_index = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/DeployIndexRequest.java