FMassArchetypeEntityCollection ( const [FMassArchetypeHandle](API\Plugins\MassEntity\FMassArchetypeHandle) & InArchetype, TConstArrayView< [FMassEntityHandle](API\Plugins\MassEntity\FMassEntityHandle) > InEntities, [EDuplicatesHandling](API\Plugins\MassEntity\FMassArchetypeEntityCollection\EDuplicatesHandling) DuplicatesHandling )