public GetNetworkRoutesResult withRouteTableTimestamp(java.util.Date routeTableTimestamp) {
        setRouteTableTimestamp(routeTableTimestamp);
        return this;
    }
<p>
The route table creation time.
</p>

@param routeTableTimestamp
       The route table creation time.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-networkmanager/src/main/java/com/amazonaws/services/networkmanager/model/GetNetworkRoutesResult.java