if _, found := result[key]; !found {
			result[key] = value.DeepCopy()
		}
	}
	return result
}

// reuseOrClearResourceList is a helper for avoiding excessive allocations of
// resource lists within the inner loop of resource calculations.
func reuseOrClearResourceList(reuse v1.ResourceList) v1.ResourceList {
	if reuse == nil {
		return make(v1.ResourceList, 4)
	}
	for k := range reuse {