public static Map getConfigurations(
			AbstractCircuitBreakerFactory circuitBreakerFactory) {
		try {
			Method method = AbstractCircuitBreakerFactory.class
					.getDeclaredMethod("getConfigurations");
			method.setAccessible(true);
			return (Map) method.invoke(circuitBreakerFactory);
		}
		catch (Exception ignored) {
		}
		return Collections.emptyMap();
	}
properties backup, prevent rules from being updated every time the container is
refreshed.
spring-cloud-alibaba-starters/spring-cloud-circuitbreaker-sentinel/src/main/java/com/alibaba/cloud/circuitbreaker/sentinel/feign/CircuitBreakerRuleChangeListener.java