public static String buildProviderMethodProKey(String serviceName, String methodName, String proKey) {
        return METHOD_PROVIDER_PROPERTY_KEY_PREFIX + KEY_SEPARATOR + serviceName + KEY_SEPARATOR + methodName +
            KEY_SEPARATOR + proKey;
    }
Provider method property key format : sofa.consumer.service.{serviceName}.{methodName}.{configKey}
core/api/src/main/java/com/alipay/sofa/rpc/dynamic/DynamicConfigKeyHelper.java