public final OperationFuture<PhraseSet, OperationMetadata> deletePhraseSetAsync(
      DeletePhraseSetRequest request) {
    return deletePhraseSetOperationCallable().futureCall(request);
  }
Deletes the [PhraseSet][google.cloud.speech.v2.PhraseSet].

<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()) {
  DeletePhraseSetRequest request =
      DeletePhraseSetRequest.newBuilder()
          .setName(PhraseSetName.of("[PROJECT]", "[LOCATION]", "[PHRASE_SET]").toString())
          .setValidateOnly(true)
          .setAllowMissing(true)
          .setEtag("etag3123477")
          .build();
  PhraseSet response = speechClient.deletePhraseSetAsync(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