return nil
	}
	out := &endpoint.ClusterLoadAssignment{}

	out.ClusterName = original.ClusterName
	out.Endpoints = cloneLocalityLbEndpoints(original.Endpoints)
	out.Policy = original.Policy

	return out
}

// return a shallow copy LocalityLbEndpoints
func cloneLocalityLbEndpoints(endpoints []*endpoint.LocalityLbEndpoints) []*endpoint.LocalityLbEndpoints {
	out := make([]*endpoint.LocalityLbEndpoints, 0, len(endpoints))