@java.lang.Override
  public /* nullable */ com.google.cloud.speech.v2.BatchRecognizeTranscriptionMetadata
      getTranscriptionMetadataOrDefault(
          java.lang.String key,
          /* nullable */
          com.google.cloud.speech.v2.BatchRecognizeTranscriptionMetadata defaultValue) {
    if (key == null) {
      throw new NullPointerException("map key");
    }
    java.util.Map<java.lang.String, com.google.cloud.speech.v2.BatchRecognizeTranscriptionMetadata>
        map = internalGetTranscriptionMetadata().getMap();
    return map.containsKey(key) ? map.get(key) : defaultValue;
  }
<pre>
Map from provided filename to the transcription metadata for that file.
</pre>

<code>
map&lt;string, .google.cloud.speech.v2.BatchRecognizeTranscriptionMetadata&gt; transcription_metadata = 1;
</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/BatchRecognizeMetadata.java