public com.google.cloud.visionai.v1.OperationMetadataOrBuilder getMetadataOrBuilder() {
      if (metadataBuilder_ != null) {
        return metadataBuilder_.getMessageOrBuilder();
      } else {
        return metadata_ == null
            ? com.google.cloud.visionai.v1.OperationMetadata.getDefaultInstance()
            : metadata_;
      }
    }
<pre>
The metadata of the operation.
</pre>

<code>.google.cloud.visionai.v1.OperationMetadata metadata = 1;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AnalyzeCorpusMetadata.java