@java.lang.Override
  public com.google.cloud.visionai.v1.OperationMetadata getOperationMetadata() {
    return operationMetadata_ == null
        ? com.google.cloud.visionai.v1.OperationMetadata.getDefaultInstance()
        : operationMetadata_;
  }
<pre>
Common metadata of the long-running operation.
</pre>

<code>.google.cloud.visionai.v1.OperationMetadata operation_metadata = 1;</code>

@return The operationMetadata.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/UndeployIndexMetadata.java