},

		"available": {
			resources: []*resourceapi.NamedResourcesResources{
				{
					Instances: []resourceapi.NamedResourcesInstance{
						{Name: "a"},
						{Name: "b"},
					},
				},
				{
					Instances: []resourceapi.NamedResourcesInstance{
						{Name: "x"},
						{Name: "y"},
					},
				},
			},

	// The list of all individual resources instances currently available.
	//
	// +listType=atomic
	Instances []NamedResourcesInstance `json:"instances" protobuf:"bytes,1,name=instances"`
}

// NamedResourcesInstance represents one individual hardware instance that can be selected based
// on its attributes.
type NamedResourcesInstance struct {
	// Name is unique identifier among all resource instances managed by

type NamedResourcesResources struct {
	// The list of all individual resources instances currently available.
	Instances []NamedResourcesInstance
}

// NamedResourcesInstance represents one individual hardware instance that can be selected based
// on its attributes.
type NamedResourcesInstance struct {
	// Name is unique identifier among all resource instances managed by
	// the driver on the node. It must be a DNS subdomain.

// pretty-printed JSON.

type Model struct {
	Instances []InstanceAllocation
}

type InstanceAllocation struct {
	Allocated bool
	Instance  *resourceapi.NamedResourcesInstance
}

// AddResources must be called first to create entries for all existing
// resource instances. The resources parameter may be nil.
func AddResources(m *Model, resources *resourceapi.NamedResourcesResources) {

	allErrs := validateInstances(resources.Instances, fldPath.Child("instances"))
	return allErrs
}

func validateInstances(instances []resource.NamedResourcesInstance, fldPath *field.Path) field.ErrorList {
	var allErrs field.ErrorList
	instanceNames := sets.New[string]()
	for i, instance := range instances {
		idxPath := fldPath.Index(i)
		instanceName := instance.Name