return schema.GroupVersion{Group: group, Version: version}
}
func gvk(group, version, kind string) schema.GroupVersionKind {
	return schema.GroupVersionKind{Group: group, Version: version, Kind: kind}
}
func gk(group, kind string) schema.GroupKind {
	return schema.GroupKind{Group: group, Kind: kind}
}

func TestCoercingMultiGroupVersioner(t *testing.T) {
	testcases := []struct {
		name           string

		{
			desc:    "targets and kinds have match items",
			kinds:   []GroupVersionKind{{Version: "V1", Kind: "pod"}, {Version: "V2", Kind: "pod"}},
			targets: []GroupVersionKind{{Version: "V1", Kind: "pod"}},
			output:  GroupVersionKind{Version: "V1", Kind: "pod"},
		},
		{
			desc:    "targets and kinds do not have match items",
			kinds:   []GroupVersionKind{{Version: "V1", Kind: "pod"}, {Version: "V2", Kind: "pod"}},

	}

	switch len(searchedVersions) {
	case 0:
		return fmt.Sprintf("no matches for kind %q in group %q", e.GroupKind.Kind, e.GroupKind.Group)
	case 1:
		return fmt.Sprintf("no matches for kind %q in version %q", e.GroupKind.Kind, searchedVersions.List()[0])
	default:
		return fmt.Sprintf("no matches for kind %q in versions %q", e.GroupKind.Kind, searchedVersions.List())
	}
}

func (*NoKindMatchError) Is(target error) bool {

}

func resourceKinds(un *unstructured.Unstructured) string {
	kinds := findResourceInSpec(un.GetObjectKind().GroupVersionKind())
	if kinds == "" {
		kinds = strings.ToLower(un.GetKind()) + "s"
	}
	// Override with special kind if it exists in the map
	if specialKind, exists := specialKinds[un.GetKind()]; exists {
		kinds = specialKind
	}
	return kinds
}

	defer r.mutex.RUnlock()
	return r.kinds[resource][subresource]
}
func (r *equivalentResourceRegistry) RegisterKindFor(resource schema.GroupVersionResource, subresource string, kind schema.GroupVersionKind) {
	r.mutex.Lock()
	defer r.mutex.Unlock()
	if r.kinds == nil {
		r.kinds = map[schema.GroupVersionResource]map[string]schema.GroupVersionKind{}
	}
	if r.kinds[resource] == nil {
		r.kinds[resource] = map[string]schema.GroupVersionKind{}

// and parses it out into both possibilities. This code takes no responsibility for knowing which representation was intended
// but with a knowledge of all GroupKinds, calling code can take a very good guess. If there are only two segments, then
// `*GroupVersionKind` is nil.
// `Kind.group.com` -> `group=com, version=group, kind=Kind` and `group=group.com, kind=Kind`

	}

	return true
}

func kindMatches(pattern schema.GroupVersionKind, kind schema.GroupVersionKind) bool {
	if pattern.Group != AnyGroup && pattern.Group != kind.Group {
		return false
	}
	if pattern.Version != AnyVersion && pattern.Version != kind.Version {
		return false
	}
	if pattern.Kind != AnyKind && pattern.Kind != kind.Kind {
		return false
	}

	return true
}

				// only test options types in the core API group
				continue
			}
			gvks = append(gvks, gvk)
		}
		c.Kinds = gvks
	}

	// Sort kinds to get deterministic test order
	sort.Slice(c.Kinds, func(i, j int) bool {
		if c.Kinds[i].Group != c.Kinds[j].Group {
			return c.Kinds[i].Group < c.Kinds[j].Group
		}
		if c.Kinds[i].Version != c.Kinds[j].Version {
			return c.Kinds[i].Version < c.Kinds[j].Version

class AbstractFunction : public core::RefCounted {
 protected:
  enum AbstractFunctionKind { kGraph, kMlir };
  explicit AbstractFunction(AbstractFunctionKind kind) : kind_(kind) {}

 public:
  // Returns which subclass is this instance of.
  AbstractFunctionKind getKind() const { return kind_; }

  // Returns the AbstractFunction as a FunctionDef.
  virtual Status GetFunctionDef(const FunctionDef**) = 0;

// Attributes of an op.
class AbstractOpAttrs {
 protected:
  enum AbstractOpAttrsKind { kEager, kTfrt };
  explicit AbstractOpAttrs(AbstractOpAttrsKind kind) : kind_(kind) {}

 public:
  // Returns which subclass is this instance of.
  AbstractOpAttrsKind getKind() const { return kind_; }
  virtual ~AbstractOpAttrs() = default;

  // Returns the AbstractFunction as a FunctionDef.
  virtual void GetNameAttrList(