allErrs := validateResourceName(value, fldPath)

	if len(strings.Split(string(value), "/")) == 1 {
		if !helper.IsStandardContainerResourceName(value) {
			return append(allErrs, field.Invalid(fldPath, value, "must be a standard resource for containers"))
		}
	} else if !helper.IsNativeResource(value) {
		if !helper.IsExtendedResourceName(value) {

type testingTInterface interface {
	Helper()
	Errorf(format string, args ...interface{})
}

type fakeTestingT struct {
	t *testing.T
}

func (f fakeTestingT) Helper() {}

func (f fakeTestingT) Errorf(format string, args ...interface{}) {}

func verifyEquiv(t testingTInterface, call string, tc *svcTestCase, got *api.Service) bool {
	t.Helper()

	// For when we compare objects.

// dynamic shape aware and uses broadcasting modes that CHLO does not support.
// Applies static binary broadcasting to a binary elementwise op.
// This is a legacy helper to provide general broadcasting support in legacy,
// static shaped code that relies on non-left-padded broadcasting semantics.
template <typename BinaryOp>
static Value StaticBinaryBroadcast(Location loc, Value x, Value y,

- Made `kubectl-convert` binary linking static (also affects the deb and rpm packages). ([#114228](https://github.com/kubernetes/kubernetes/pull/114228), [@saschagrunert](https://github.com/saschagrunert))
- Migrated controller helper functions to use contextual logging. ([#115049](https://github.com/kubernetes/kubernetes/pull/115049), [@fatsheep9146](https://github.com/fatsheep9146))

- Added `kubectl node drain` helper callbacks `OnPodDeletionOrEvictionStarted`
  and `OnPodDeletionOrEvictionFailed`; people extending `kubectl` can use these
  new callbacks for more granularity. Deprecated the `OnPodDeletedOrEvicted`

	"sync/atomic"
	"time"

	"golang.org/x/net/http/httpguts"
	"golang.org/x/net/http2/hpack"
	"golang.org/x/net/idna"
)

// The HTTP protocols are defined in terms of ASCII, not Unicode. This file
// contains helper functions which may use Unicode-aware functions which would
// otherwise be unsafe and could introduce vulnerabilities if used improperly.

// asciiEqualFold is strings.EqualFold, ASCII only. It reports whether s and t

				} else if !strings.HasPrefix(err.Error(), tc.error) {
					t.Errorf("got wrong error: %v (expected %q)", err, tc.error)
				}
			}
		})
	}
}

// orderByCommentServiceName is a helper function that orders two IPTables rules
// based on the service name in their comment. (If either rule has no comment then the
// return value is undefined.)
func orderByCommentServiceName(rule1, rule2 *iptablestest.Rule) bool {

	// garbage collector only sees initialized values when it
	// looks for pointers.
	var lo, hi int64

	// Opaque state for backend to use. Current backends use it to
	// keep track of which helper registers have been zeroed.
	var state uint32

	// Iterate through declarations. Autos are sorted in decreasing
	// frame offset order.
	for _, n := range e.curfn.Dcl {
		if !n.Needzero() {
			continue

* Fix charms leaving services running after remove-unit ([#48446](https://github.com/kubernetes/kubernetes/pull/48446), [@Cynerva](https://github.com/Cynerva))
* Added helper funcs to schedulercache.Resource. ([#46926](https://github.com/kubernetes/kubernetes/pull/46926), [@k82cn](https://github.com/k82cn))