docs: public synchronized BeanBox addMethodAop(Object aop, String methodName, Class<?>... paramTypes) {
  		checkOrCreateMethodAops();
  		Method m = ReflectionUtils.findMethod(beanClass, methodName, paramTypes);
  		BeanBoxException.assureNotNull(m, "Not found method: '" + methodName + "'");
  		addMethodAop(aop, m);
  		return this;
  	}