public final OperationFuture<BatchRecognizeResponse, OperationMetadata> batchRecognizeAsync(
      BatchRecognizeRequest request) {
    return batchRecognizeOperationCallable().futureCall(request);
  }
Performs batch asynchronous speech recognition: send a request with N audio files and receive a
long running operation that can be polled to see when the transcriptions are finished.

<p>Sample code:

<pre>{@code
// This snippet has been automatically generated and should be regarded as a code template only.
// It will require modifications to work:
// - It may require correct/in-range values for request initialization.
// - It may require specifying regional endpoints when creating the service client as shown in
// https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
try (SpeechClient speechClient = SpeechClient.create()) {
  BatchRecognizeRequest request =
      BatchRecognizeRequest.newBuilder()
          .setRecognizer(
              RecognizerName.of("[PROJECT]", "[LOCATION]", "[RECOGNIZER]").toString())
          .setConfig(RecognitionConfig.newBuilder().build())
          .setConfigMask(FieldMask.newBuilder().build())
          .addAllFiles(new ArrayList<BatchRecognizeFileMetadata>())
          .setRecognitionOutputConfig(RecognitionOutputConfig.newBuilder().build())
          .build();
  BatchRecognizeResponse response = speechClient.batchRecognizeAsync(request).get();
}
}</pre>

@param request The request object containing all of the parameters for the API call.
@throws com.google.api.gax.rpc.ApiException if the remote call fails
java-speech/google-cloud-speech/src/main/java/com/google/cloud/speech/v2/SpeechClient.java