[FMassArchetypeHandle](API\Plugins\MassEntity\FMassArchetypeHandle) InternalCreateSimilarArchetype ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< FMassArchetypeData > & SourceArchetype, const [FMassFragmentBitSet](API\Plugins\MassEntity\FMassFragmentBitSet) & OverrideFragments )