public com.google.cloud.speech.v2.RecognitionResponseMetadataOrBuilder getMetadataOrBuilder() {
      if (metadataBuilder_ != null) {
        return metadataBuilder_.getMessageOrBuilder();
      } else {
        return metadata_ == null
            ? com.google.cloud.speech.v2.RecognitionResponseMetadata.getDefaultInstance()
            : metadata_;
      }
    }
<pre>
Metadata about the recognition.
</pre>

<code>.google.cloud.speech.v2.RecognitionResponseMetadata metadata = 5;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/StreamingRecognizeResponse.java