// RenewDeadline and LeaseDuration appropriately. The tolerance expressed as a
// maximum tolerated ratio of time passed on the fastest node to time passed on
// the slowest node can be approximately achieved with a configuration that sets
// the same ratio of LeaseDuration to RenewDeadline. For example if a user wanted
// to tolerate some nodes progressing forward in time twice as fast as other nodes,

		tc.cancelWorkWithEvent(logger, podNamespacedName)
	}
	allTolerated, usedTolerations := v1helper.GetMatchingTolerations(taints, tolerations)
	if !allTolerated {
		logger.V(2).Info("Not all taints are tolerated after update for pod on node", "pod", podNamespacedName.String(), "node", klog.KRef("", nodeName))
		// We're canceling scheduled work (if any), as we're going to delete the Pod right away.

				}
			}
		}
	}
}

// ParseDate parses an RFC 5322 date string.
func ParseDate(date string) (time.Time, error) {
	dateLayoutsBuildOnce.Do(buildDateLayouts)
	// CR and LF must match and are tolerated anywhere in the date field.
	date = strings.ReplaceAll(date, "\r\n", "")
	if strings.Contains(date, "\r") {
		return time.Time{}, errors.New("mail: header has a CR without LF")
	}

// * Do not use digits, as that might create an ambiguity with POSIX TZ strings.
// * A file name component must not exceed 14 characters or start with '-'
//
// 0-9 and + characters are tolerated to accommodate legacy compatibility names
var validTimeZoneCharacters = regexp.MustCompile(`^[A-Za-z\.\-_0-9+]{1,14}$`)

func validateTimeZone(timeZone *string, fldPath *field.Path) field.ErrorList {

	node := nodeInfo.Node()

	if !node.Spec.Unschedulable {
		return nil
	}

	// If pod tolerate unschedulable taint, it's also tolerate `node.Spec.Unschedulable`.
	podToleratesUnschedulable := v1helper.TolerationsTolerateTaint(pod.Spec.Tolerations, &v1.Taint{
		Key:    v1.TaintNodeUnschedulable,
		Effect: v1.TaintEffectNoSchedule,
	})

					{key: "node", value: "node-a"}: 1,
					{key: "node", value: "node-b"}: 2,
				},
			},
			enableNodeInclusionPolicy: true,
		},
		{
			name: "NodeTaintsPolicy honored with tolerated taints",
			pod: st.MakePod().Name("p").Label("foo", "").
				Toleration(v1.TaintNodeUnschedulable).
				SpreadConstraint(1, "node", v1.DoNotSchedule, barSelector, nil, nil, &honorPolicy, nil).
				Obj(),

	for {
		old := c.idleMarkWorkers.Load()
		n, max := int32(old&uint64(^uint32(0))), int32(old>>32)
		if n >= max {
			// See the comment on idleMarkWorkers for why
			// n > max is tolerated.
			return false
		}
		if n < 0 {
			print("n=", n, " max=", max, "\n")
			throw("negative idle mark workers")
		}
		new := uint64(uint32(n+1)) | (uint64(max) << 32)

	"k8s.io/kubernetes/pkg/scheduler/framework/plugins/helper"
	"k8s.io/kubernetes/pkg/scheduler/framework/plugins/names"
	"k8s.io/kubernetes/pkg/scheduler/util"
)

// TaintToleration is a plugin that checks if a pod tolerates a node's taints.
type TaintToleration struct {
	handle                    framework.Handle
	enableSchedulingQueueHint bool
}

var _ framework.FilterPlugin = &TaintToleration{}

            "type": "string"
          },
          "tolerationSeconds": {

     * it returns a subclass of Joiner that overrides this method to tolerate null inputs.
     *
     * Unfortunately, we don't distinguish between these two cases in our public API: Joiner.on(...)
     * and Joiner.on(...).useForNull(...) both declare the same return type: plain Joiner. To ensure
     * that users *can* pass null arguments to Joiner, we annotate it as if it always tolerates null
     * inputs, rather than as if it never tolerates them.