public static boolean isServiceProKey(String key) {
        return !StringUtils.isBlank(key) && (key.startsWith(SERVICE_CONSUMER_PROPERTY_KEY_PREFIX) ||
            key.startsWith(SERVICE_PROVIDER_PROPERTY_KEY_PREFIX));
    }
Provider method property key format : sofa.consumer.service.{serviceName}.{methodName}.{configKey}
core/api/src/main/java/com/alipay/sofa/rpc/dynamic/DynamicConfigKeyHelper.java