h.WriteString(sa)
		h.Write(Separator)
	}
	h.Write(Separator)

	if t.endpointBuilder != nil {
		t.endpointBuilder.WriteHash(h)
	}

	return h.Sum64()
}

func (t *clusterCache) DependentConfigs() []model.ConfigHash {
	drs := t.destinationRule.GetFrom()
	configs := make([]model.ConfigHash, 0, len(drs)+1+len(t.envoyFilterKeys))
	if t.destinationRule != nil {
		for _, dr := range drs {