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

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

@return The metadata.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ImportAssetsMetadata.java