public void loadDefaultValues() {
        setDefault(CommonClientConfigKey.MaxHttpConnectionsPerHost, getDefaultMaxHttpConnectionsPerHost());
        setDefault(CommonClientConfigKey.MaxTotalHttpConnections, getDefaultMaxTotalHttpConnections());
        setDefault(CommonClientConfigKey.EnableConnectionPool, getDefaultEnableConnectionPool());
        setDefault(CommonClientConfigKey.MaxConnectionsPerHost, getDefaultMaxConnectionsPerHost());
        setDefault(CommonClientConfigKey.MaxTotalConnections, getDefaultMaxTotalConnections());
        setDefault(CommonClientConfigKey.ConnectTimeout, getDefaultConnectTimeout());
        setDefault(CommonClientConfigKey.ConnectionManagerTimeout, getDefaultConnectionManagerTimeout());
        setDefault(CommonClientConfigKey.ReadTimeout, getDefaultReadTimeout());
        setDefault(CommonClientConfigKey.MaxAutoRetries, getDefaultMaxAutoRetries());
        setDefault(CommonClientConfigKey.MaxAutoRetriesNextServer, getDefaultMaxAutoRetriesNextServer());
        setDefault(CommonClientConfigKey.OkToRetryOnAllOperations, getDefaultOkToRetryOnAllOperations());
        setDefault(CommonClientConfigKey.FollowRedirects, getDefaultFollowRedirects());
        setDefault(CommonClientConfigKey.ConnectionPoolCleanerTaskEnabled, getDefaultConnectionPoolCleanerTaskEnabled());
        setDefault(CommonClientConfigKey.ConnIdleEvictTimeMilliSeconds, getDefaultConnectionidleTimeInMsecs());
        setDefault(CommonClientConfigKey.ConnectionCleanerRepeatInterval, getDefaultConnectionIdleTimertaskRepeatInMsecs());
        setDefault(CommonClientConfigKey.EnableGZIPContentEncodingFilter, getDefaultEnableGzipContentEncodingFilter());
        setDefault(CommonClientConfigKey.ProxyHost, null);
        setDefault(CommonClientConfigKey.ProxyPort, null);
        setDefault(CommonClientConfigKey.Port, getDefaultPort());
        setDefault(CommonClientConfigKey.EnablePrimeConnections, getDefaultEnablePrimeConnections());
        setDefault(CommonClientConfigKey.MaxRetriesPerServerPrimeConnection, getDefaultMaxRetriesPerServerPrimeConnection());
        setDefault(CommonClientConfigKey.MaxTotalTimeToPrimeConnections, getDefaultMaxTotalTimeToPrimeConnections());
        setDefault(CommonClientConfigKey.PrimeConnectionsURI, getDefaultPrimeConnectionsUri());
        setDefault(CommonClientConfigKey.PoolMinThreads, getDefaultPoolMinThreads());
        setDefault(CommonClientConfigKey.PoolMaxThreads, getDefaultPoolMaxThreads());
        setDefault(CommonClientConfigKey.PoolKeepAliveTime, (int)getDefaultPoolKeepAliveTime());
        setDefault(CommonClientConfigKey.PoolKeepAliveTimeUnits, getDefaultPoolKeepAliveTimeUnits().toString());
        setDefault(CommonClientConfigKey.EnableZoneAffinity, getDefaultEnableZoneAffinity());
        setDefault(CommonClientConfigKey.EnableZoneExclusivity, getDefaultEnableZoneExclusivity());
        setDefault(CommonClientConfigKey.ClientClassName, getDefaultClientClassname());
        setDefault(CommonClientConfigKey.NFLoadBalancerClassName, getDefaultNfloadbalancerClassname());
        setDefault(CommonClientConfigKey.NFLoadBalancerRuleClassName, getDefaultNfloadbalancerRuleClassname());
        setDefault(CommonClientConfigKey.NFLoadBalancerPingClassName, getDefaultNfloadbalancerPingClassname());
        setDefault(CommonClientConfigKey.PrioritizeVipAddressBasedServers, getDefaultPrioritizeVipAddressBasedServers());
        setDefault(CommonClientConfigKey.MinPrimeConnectionsRatio, getDefaultMinPrimeConnectionsRatio());
        setDefault(CommonClientConfigKey.PrimeConnectionsClassName, getDefaultPrimeConnectionsClass());
        setDefault(CommonClientConfigKey.NIWSServerListClassName, getDefaultSeverListClass());
        setDefault(CommonClientConfigKey.VipAddressResolverClassName, getDefaultVipaddressResolverClassname());
        setDefault(CommonClientConfigKey.IsClientAuthRequired, getDefaultIsClientAuthRequired());
        setDefault(CommonClientConfigKey.UseIPAddrForServer, getDefaultUseIpAddressForServer());
        setDefault(CommonClientConfigKey.ListOfServers, "");
    }
Create instance with no properties in the specified name space
ribbon-archaius/src/main/java/com/netflix/client/config/DefaultClientConfigImpl.java