// src/cmd/go/internal/load/pkg.go
func checkPathCollisions(modpkgs map[module.Version][]string) {
	var foldPath = make(map[string]string, len(modpkgs))
	for m := range modpkgs {
		fold := str.ToFold(m.Path)
		if other := foldPath[fold]; other == "" {
			foldPath[fold] = m.Path
		} else if other != m.Path {
			base.Fatalf("go.mod: case-insensitive import collision: %q and %q", m.Path, other)
		}
	}

	// If modifying, consider changing checkPathCollisions() in
	// src/cmd/go/internal/modcmd/vendor.go
	fold := str.ToFold(p.ImportPath)
	if other := foldPath[fold]; other == "" {
		foldPath[fold] = p.ImportPath
	} else if other != p.ImportPath {
		setError(ImportErrorf(p.ImportPath, "case-insensitive import collision: %q and %q", p.ImportPath, other))
		return
	}

	}
	if ref.UID == "" {
		allErrs = append(allErrs, field.Required(fldPath.Child("uid"), ""))
	}
	return allErrs
}

// validateSliceIsASet ensures that a slice contains no duplicates and does not exceed a certain maximum size.
func validateSliceIsASet[T comparable](slice []T, maxSize int, validateItem func(item T, fldPath *field.Path) field.ErrorList, fldPath *field.Path) field.ErrorList {

	allErrs := field.ErrorList{}
	if transport == nil {
		allErrs = append(allErrs, field.Required(
			fldPath.Child("transport"),
			"transport must be set for GRPC"))
		return allErrs
	}

	if transport.UDS != nil {
		allErrs = append(allErrs, validateUDSConnection(transport.UDS, fldPath)...)
	} else {
		allErrs = append(allErrs, field.Required(
			fldPath.Child("uds"),

	allErrs = append(allErrs, ValidateCustomResourceDefinitionSubresources(version.Subresources, fldPath.Child("subresources"))...)
	for i := range version.AdditionalPrinterColumns {
		allErrs = append(allErrs, ValidateCustomResourceColumnDefinition(&version.AdditionalPrinterColumns[i], fldPath.Child("additionalPrinterColumns").Index(i))...)
	}

func ValidateManagedFields(fieldsList []metav1.ManagedFieldsEntry, fldPath *field.Path) field.ErrorList {
	var allErrs field.ErrorList
	for i, fields := range fieldsList {
		fldPath := fldPath.Index(i)
		switch fields.Operation {
		case metav1.ManagedFieldsOperationApply, metav1.ManagedFieldsOperationUpdate:
		default:
			allErrs = append(allErrs, field.Invalid(fldPath.Child("operation"), fields.Operation, "must be `Apply` or `Update`"))
		}

		}
		if len(u.Host) == 0 {
			allErrors = append(allErrors, field.Invalid(fldPath, u.Host, "host must be specified"+form))
		}
		if u.User != nil {
			allErrors = append(allErrors, field.Invalid(fldPath, u.User.String(), "user information is not permitted in the URL"))
		}
		if len(u.Fragment) != 0 {

				errs = append(errs, validationListSetAndMaps(fldPath.Child(k), &sub, v)...)
			}
		}
	}

	return errs
}

func validationListSetAndMaps(fldPath *field.Path, s *schema.Structural, obj interface{}) field.ErrorList {
	switch obj := obj.(type) {
	case []interface{}:
		return validateListSetsAndMapsArray(fldPath, s, obj)
	case map[string]interface{}:
		return ValidateListSetsAndMaps(fldPath, s, obj)
	}
	return nil
}

func convertCELErrorToValidationError(fldPath *field.Path, expression string, err *cel.Error) *field.Error {
	switch err.Type {
	case cel.ErrorTypeRequired:
		return field.Required(fldPath, err.Detail)
	case cel.ErrorTypeInvalid:
		return field.Invalid(fldPath, expression, err.Detail)
	case cel.ErrorTypeInternal:
		return field.InternalError(fldPath, err)
	}
	return field.InternalError(fldPath, fmt.Errorf("unsupported error type: %w", err))

	allErrs := field.ErrorList{}

	allErrs = append(allErrs, ValidateCrossVersionObjectReference(src.DescribedObject, fldPath.Child("describedObject"))...)
	allErrs = append(allErrs, validateMetricIdentifier(src.Metric, fldPath.Child("metric"))...)
	allErrs = append(allErrs, validateMetricTarget(src.Target, fldPath.Child("target"))...)

	if src.Target.Value == nil && src.Target.AverageValue == nil {