func (f *ConfigGenTest) DeltaClusters(
	p *model.Proxy,
	configUpdated sets.Set[model.ConfigKey],
	watched *model.WatchedResource,
) ([]*cluster.Cluster, []string, bool) {
	raw, removed, _, delta := f.ConfigGen.BuildDeltaClusters(p,
		&model.PushRequest{
			Push: f.PushContext(), ConfigsUpdated: configUpdated,
		}, watched)
	res := make([]*cluster.Cluster, 0, len(raw))
	for _, r := range raw {
		c := &cluster.Cluster{}

	}
	return configgen.buildClusters(proxy, req, services)
}

// BuildDeltaClusters generates the deltas (add and delete) for a given proxy. Currently, only service changes are reflected with deltas.
// Otherwise, we fall back onto generating everything.
func (configgen *ConfigGeneratorImpl) BuildDeltaClusters(proxy *model.Proxy, updates *model.PushRequest,
	watched *model.WatchedResource,