Akka.Configuration.Config.GetMillisDuration C# (CSharp) Method

        public TimeSpan GetMillisDuration(string path, TimeSpan? @default = null, bool allowInfinite = true)
        {
            return GetTimeSpan(path, @default, allowInfinite);
        }

 public RemoteSettings(Config config)
 {
     Config = config;
     LogReceive = config.GetBoolean("akka.remote.log-received-messages");
     LogSend = config.GetBoolean("akka.remote.log-sent-messages");
     UntrustedMode = config.GetBoolean("akka.remote.untrusted-mode");
     TrustedSelectionPaths = new HashSet<string>(config.GetStringList("akka.remote.trusted-selection-paths"));
     RemoteLifecycleEventsLogLevel = config.GetString("akka.remote.log-remote-lifecycle-events") ?? "DEBUG";
     if (RemoteLifecycleEventsLogLevel.Equals("on")) RemoteLifecycleEventsLogLevel = "DEBUG";
     FlushWait = config.GetMillisDuration("akka.remote.flush-wait-on-shutdown");
     ShutdownTimeout = config.GetMillisDuration("akka.remote.shutdown-timeout");
     TransportNames = config.GetStringList("akka.remote.enabled-transports");
     Transports = (from transportName in TransportNames
         let transportConfig = TransportConfigFor(transportName)
         select new TransportSettings(transportConfig)).ToArray();
     Adapters = ConfigToMap(config.GetConfig("akka.remote.adapters"));
     BackoffPeriod = config.GetMillisDuration("akka.remote.backoff-interval");
     RetryGateClosedFor = config.GetMillisDuration("akka.remote.retry-gate-closed-for", TimeSpan.Zero);
     UsePassiveConnections = config.GetBoolean("akka.remote.use-passive-connections");
     SysMsgBufferSize = config.GetInt("akka.remote.system-message-buffer-size");
     SysResendTimeout = config.GetMillisDuration("akka.remote.resend-interval");
     InitialSysMsgDeliveryTimeout = config.GetMillisDuration("akka.remote.initial-system-message-delivery-timeout");
     SysMsgAckTimeout = config.GetMillisDuration("akka.remote.system-message-ack-piggyback-timeout");
     QuarantineDuration = config.GetMillisDuration("akka.remote.prune-quarantine-marker-after");
     StartupTimeout = config.GetMillisDuration("akka.remote.startup-timeout");
     CommandAckTimeout = config.GetMillisDuration("akka.remote.command-ack-timeout");
 }