if avoidNoopTimestampUpdatesString, exists := os.LookupEnv("KUBE_APISERVER_AVOID_NOOP_SSA_TIMESTAMP_UPDATES"); exists {
			if ret, err := strconv.ParseBool(avoidNoopTimestampUpdatesString); err == nil && !ret {
				// leave avoidTimestampEqualities empty.
				return
			} else {
				klog.Errorf("failed to parse envar KUBE_APISERVER_AVOID_NOOP_SSA_TIMESTAMP_UPDATES: %v", err)
			}
		}

		var eqs = equality.Semantic.Copy()