}
	return newManyCollection[I, O](c, hm, o)
}

// NewManyCollection transforms a Collection[I] to a Collection[O] by applying the provided transformation function.
// This applies for one-to-many relationships between I and O.
// For zero-to-one, use NewSingleton. For one-to-one, use NewCollection.

* `func(input I) *O` via `NewCollection`
    * This generates a one-to-one mapping of input to output. An example would be a transformation from a `Pod` type to a generic `Workload` type.
* `func(input I) []O` via `NewManyCollection`
    * This generates a one-to-many mapping of input to output. An example would be a transformation from a `Service` to a _set_ of `Endpoint` types.

			PortNames:     portNames,
			LabelSelector: model.NewSelector(s.Spec.Selector),
			Source:        kind.Service,
			Waypoint:      waypointKey,
		}
	}, krt.WithName("ServicesInfo"))
	ServiceEntriesInfo := krt.NewManyCollection(ServiceEntries, a.serviceEntryServiceBuilder(Waypoints, Namespaces), krt.WithName("ServiceEntriesInfo"))

	// called. Typically, usage of Register is done internally in krt via composition of Collections with Transformations
	// (NewCollection, NewManyCollection, NewSingleton); however, at boundaries of the system (connecting to something not
	// using krt), registering directly is expected.
	Register(f func(o Event[T])) Syncer

	return slices.Join("/", s.Namespace+"/"+s.Service+"/"+s.Pod)
}

func SimpleEndpointsCollection(pods krt.Collection[SimplePod], services krt.Collection[SimpleService]) krt.Collection[SimpleEndpoint] {
	return krt.NewManyCollection[SimpleService, SimpleEndpoint](services, func(ctx krt.HandlerContext, svc SimpleService) []SimpleEndpoint {
		pods := krt.Fetch(ctx, pods, krt.FilterLabel(svc.Selector))

		a.workloadEntryWorkloadBuilder(MeshConfig, AuthorizationPolicies, PeerAuths, Waypoints, WorkloadServices, WorkloadServicesNamespaceIndex, Namespaces),
		krt.WithName("WorkloadEntryWorkloads"),
	)
	ServiceEntryWorkloads := krt.NewManyCollection(
		ServiceEntries,
		a.serviceEntryWorkloadBuilder(MeshConfig, AuthorizationPolicies, PeerAuths, Waypoints, Namespaces),
		krt.WithName("ServiceEntryWorkloads"),
	)