public ConsumerConfig<GenericService> initRef(final MetaData metaData) {
        try {
            ConsumerConfig<GenericService> referenceConfig = cache.get(metaData.getPath());
            if (StringUtils.isNoneBlank(referenceConfig.getInterfaceId())) {
                return referenceConfig;
            }
        } catch (ExecutionException e) {
            LOG.error("init sofa ref ex:{}", e.getMessage());
        }
        return build(metaData);
        
    }
Init ref reference config.

@param metaData the meta data
@return the reference config
shenyu-plugin/shenyu-plugin-proxy/shenyu-plugin-rpc/shenyu-plugin-sofa/src/main/java/org/apache/shenyu/plugin/sofa/cache/ApplicationConfigCache.java