public com.google.cloud.visionai.v1.RequestMetadata getMetadata() {
        if (metadataBuilder_ == null) {
          return metadata_ == null
              ? com.google.cloud.visionai.v1.RequestMetadata.getDefaultInstance()
              : metadata_;
        } else {
          return metadataBuilder_.getMessage();
        }
      }
<pre>
The configurations that specify where packets are retrieved.
</pre>

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

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