class VirtualNetworkApplianceManagerImpl extends ManagerBase implements VirtualNetworkApplianceManager, VirtualNetworkApplianceService, VirtualMachineGuru, Listener,
        Configurable, StateListener<VirtualMachine.State, VirtualMachine.Event, VirtualMachine> {

    @Override
    public VirtualRouter destroyRouter(final long routerId, final Account caller, final Long callerUserId) throws ResourceUnavailableException, ConcurrentOperationException {
        return _nwHelper.destroyRouter(routerId, caller, callerUserId);
    }

    protected  VirtualNetworkApplianceManagerImpl();

}