private SentinelRestTemplate getSentinelRestTemplateFromBeanDefinition(RootBeanDefinition beanDefinition) {
		SentinelRestTemplate sentinelRestTemplate = null;
		if (beanDefinition.getSource() instanceof StandardMethodMetadata sentinelSource) {
			sentinelRestTemplate = sentinelSource.getIntrospectedMethod().getAnnotation(SentinelRestTemplate.class);
		}

		if (sentinelRestTemplate == null && beanDefinition.getResolvedFactoryMethod() != null) {
			sentinelRestTemplate = beanDefinition.getResolvedFactoryMethod().getAnnotation(SentinelRestTemplate.class);
		}

		return sentinelRestTemplate;
	}
PostProcessor handle @SentinelRestTemplate Annotation, add interceptor for
RestTemplate.

@author <a href="mailto:fangjian0423@gmail.com">Jim</a>
@see SentinelRestTemplate
@see SentinelProtectInterceptor
spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/main/java/com/alibaba/cloud/sentinel/custom/SentinelBeanPostProcessor.java