if err != nil {
			return nil, err
		}
	} else {
		var err error

		allocatorParams := ipam.CIDRAllocatorParams{
			ClusterCIDRs:         clusterCIDRs,
			ServiceCIDR:          ic.serviceCIDR,
			SecondaryServiceCIDR: ic.secondaryServiceCIDR,
			NodeCIDRMaskSizes:    nodeCIDRMaskSizes,
		}

	ctx context.Context,
	ic *Controller,
	nodeInformer coreinformers.NodeInformer,
	cloud cloudprovider.Interface,
	kubeClient clientset.Interface,
	clusterCIDRs []*net.IPNet,
	serviceCIDR *net.IPNet,
	nodeCIDRMaskSizes []int,
) (*fakeController, error) {
	return nil, errors.New("Error trying to Init(): legacy cloud provider support disabled at build time")

		}
		if !dualstackServiceCIDR {
			return nil, false, fmt.Errorf("serviceCIDR and secondaryServiceCIDR are not dualstack (from different IPfamiles)")
		}
	}

	nodeCIDRMaskSizes, err := setNodeCIDRMaskSizes(nodeIPAMConfig, clusterCIDRs)
	if err != nil {
		return nil, false, err
	}

	nodeIpamController, err := nodeipamcontroller.NewNodeIpamController(
		ctx,

	// ServiceCIDR is primary service cidr for cluster.
	ServiceCIDR *net.IPNet
	// SecondaryServiceCIDR is secondary service cidr for cluster.
	SecondaryServiceCIDR *net.IPNet
	// NodeCIDRMaskSizes is list of node cidr mask sizes.
	NodeCIDRMaskSizes []int
}

// New creates a new CIDR range allocator.