@Override
            public ApiFuture<ListRecognizersPagedResponse> getFuturePagedResponse(
                UnaryCallable<ListRecognizersRequest, ListRecognizersResponse> callable,
                ListRecognizersRequest request,
                ApiCallContext context,
                ApiFuture<ListRecognizersResponse> futureResponse) {
              PageContext<ListRecognizersRequest, ListRecognizersResponse, Recognizer> pageContext =
                  PageContext.create(callable, LIST_RECOGNIZERS_PAGE_STR_DESC, request, context);
              return ListRecognizersPagedResponse.createAsync(pageContext, futureResponse);
            }
The default scopes of the service.
java-speech/google-cloud-speech/src/main/java/com/google/cloud/speech/v2/stub/SpeechStubSettings.java