public static io.grpc.ServiceDescriptor getServiceDescriptor() {
    io.grpc.ServiceDescriptor result = serviceDescriptor;
    if (result == null) {
      synchronized (SpeechGrpc.class) {
        result = serviceDescriptor;
        if (result == null) {
          serviceDescriptor =
              result =
                  io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
                      .setSchemaDescriptor(new SpeechFileDescriptorSupplier())
                      .addMethod(getCreateRecognizerMethod())
                      .addMethod(getListRecognizersMethod())
                      .addMethod(getGetRecognizerMethod())
                      .addMethod(getUpdateRecognizerMethod())
                      .addMethod(getDeleteRecognizerMethod())
                      .addMethod(getUndeleteRecognizerMethod())
                      .addMethod(getRecognizeMethod())
                      .addMethod(getStreamingRecognizeMethod())
                      .addMethod(getBatchRecognizeMethod())
                      .addMethod(getGetConfigMethod())
                      .addMethod(getUpdateConfigMethod())
                      .addMethod(getCreateCustomClassMethod())
                      .addMethod(getListCustomClassesMethod())
                      .addMethod(getGetCustomClassMethod())
                      .addMethod(getUpdateCustomClassMethod())
                      .addMethod(getDeleteCustomClassMethod())
                      .addMethod(getUndeleteCustomClassMethod())
                      .addMethod(getCreatePhraseSetMethod())
                      .addMethod(getListPhraseSetsMethod())
                      .addMethod(getGetPhraseSetMethod())
                      .addMethod(getUpdatePhraseSetMethod())
                      .addMethod(getDeletePhraseSetMethod())
                      .addMethod(getUndeletePhraseSetMethod())
                      .build();
        }
      }
    }
    return result;
  }
<pre>
Undeletes the [PhraseSet][google.cloud.speech.v2.PhraseSet].
</pre>
java-speech/grpc-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/SpeechGrpc.java