Akka.Routing.ConsistentHashingPool.WithFallback C# (CSharp) Method

        public override RouterConfig WithFallback(RouterConfig routerConfig)
        {
            if (routerConfig is FromConfig || routerConfig is NoRouter)
            {
                return OverrideUnsetConfig(routerConfig);
            }
            else if (routerConfig is ConsistentHashingPool)
            {
                var other = routerConfig as ConsistentHashingPool;
                return WithHashMapping(other._hashMapping).OverrideUnsetConfig(other);
            }
            else
            {
                throw new ArgumentException(string.Format("Expected ConsistentHashingPool, got {0}", routerConfig),
                    "routerConfig");
            }
        }