// that accumulate at least 1% of total cost limit are included.
	MostExpensive []RuleCost
}

// ObserveExpressionCost accumulates the cost of evaluating a -kubernetes-validations rule.
func (c *TotalCost) ObserveExpressionCost(path *field.Path, cost uint64) {
	if math.MaxUint64-c.Total < cost {
		c.Total = math.MaxUint64
	} else {
		c.Total += cost
	}