},
	"masked": {
		cel.MemberOverload("cidr_masked", []*cel.Type{apiservercel.CIDRType}, apiservercel.CIDRType,
			cel.UnaryBinding(masked)),
	},
	"isCIDR": {
		cel.Overload("is_cidr", []*cel.Type{cel.StringType}, cel.BoolType,
			cel.UnaryBinding(isCIDR)),
	},
	"string": {
		cel.Overload("cidr_to_string", []*cel.Type{apiservercel.CIDRType}, cel.StringType,
			cel.UnaryBinding(cidrToString)),
	},
}

		// Kubernetes <1.30>:
		"ip", "family", "isUnspecified", "isLoopback", "isLinkLocalMulticast", "isLinkLocalUnicast", "isGlobalUnicast", "ip.isCanonical", "isIP", "cidr", "containsIP", "containsCIDR", "masked", "prefixLength", "isCIDR", "string",
		// Kubernetes <1.??>:
	)

	// TODO: test celgo function lists

	unexpected := functionNames.Difference(knownFunctions)
	missing := knownFunctions.Difference(functionNames)

    if lang is None:
        return None
    lang = lang.lower()
    return lang


def complete_existing_lang(incomplete: str):
    lang_path: Path
    for lang_path in get_lang_paths():
        if lang_path.is_dir() and lang_path.name.startswith(incomplete):
            yield lang_path.name


@app.callback()
def callback() -> None:
    if is_mkdocs_insiders():
        os.environ["INSIDERS_FILE"] = "../en/mkdocs.insiders.yml"

// ipnetToStringList converts a slice of net.IPNet into a list of CIDR in string format
func ipnetToStringList(inCIDRs []*net.IPNet) []string {
	outCIDRs := make([]string, len(inCIDRs))
	for idx, inCIDR := range inCIDRs {
		outCIDRs[idx] = inCIDR.String()
	}
	return outCIDRs
}

// occupyServiceCIDR removes the service CIDR range from the cluster CIDR if it
// intersects.

			// in length.
			regexCost := uint64(math.Ceil(float64(actualSize(args[1])) * common.RegexStringLengthCostFactor))
			cost := strCost * regexCost
			return &cost
		}
	case "cidr", "isIP", "isCIDR":
		// IP and CIDR parsing is a string traversal.
		if len(args) >= 1 {
			cost := uint64(math.Ceil(float64(actualSize(args[0])) * common.StringTraversalCostFactor))
			return &cost
		}
	case "ip":