@Override
    public List<ApiBean> extract(final ApplicationContext applicationContext) {
        
        Map<String, Object> supportBeans = extractSupportBeans(applicationContext);
        if (Objects.isNull(supportBeans)) {
            return Collections.emptyList();
        }
        return extract(applicationContext, supportBeans);
    }
BaseApiBeansExtractor.<br>
Used to demonstrate the basic behavior of the extractor.
shenyu-client/shenyu-client-core/src/main/java/org/apache/shenyu/client/core/register/extractor/BaseApiBeansExtractor.java