@Override
    public void afterPropertiesSet() {
        annotatedBeans = applicationContext.getBeansWithAnnotation(GrpcAdvice.class);
        annotatedBeans.forEach(
                (key, value) -> log.debug("Found gRPC advice: " + key + ", class: " + value.getClass().getName()));

        annotatedMethods = findAnnotatedMethods();
    }
A filter for selecting {@code @GrpcExceptionHandler} methods.
grpc-server-spring-boot-starter/src/main/java/net/devh/boot/grpc/server/advice/GrpcAdviceDiscoverer.java