private static boolean needToUseBlockingTaskExecutor(Object object, Method method,
                                                         boolean useBlockingTaskExecutor) {
        return useBlockingTaskExecutor ||
               AnnotationUtil.findFirst(method, Blocking.class) != null ||
               AnnotationUtil.findFirst(object.getClass(), Blocking.class) != null;
    }
Returns a list of {@link AnnotatedService} instances. A single {@link AnnotatedService} is
created per each {@link Route} associated with the {@code method}.
core/src/main/java/com/linecorp/armeria/internal/server/annotation/AnnotatedServiceFactory.java