* @return true if the IP is a trusted proxy
     */
    protected boolean isTrustedProxy(final String ip) {
        final Set<String> trustedProxies = ComponentUtil.getFessConfig().getRateLimitTrustedProxiesAsSet();
        final boolean trusted = trustedProxies.contains(ip);
        if (logger.isDebugEnabled() && trusted) {
            logger.debug("Trusted proxy detected: ip={}", ip);
        }

        }
        return set;
    }

    String RATE_LIMIT_TRUSTED_PROXIES_SET = "rateLimitTrustedProxiesSet";

    String getRateLimitTrustedProxies();

    default Set<String> getRateLimitTrustedProxiesAsSet() {
        @SuppressWarnings("unchecked")
        Set<String> set = (Set<String>) propMap.get(RATE_LIMIT_TRUSTED_PROXIES_SET);
        if (set == null) {

Shinsuke Sugaya <******@****.***> 1774681159 +0900