static [TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< class [IDatasmithLightActorElement](API\Runtime\DatasmithCore\IDatasmithLightActorElement) > > GetAllLightActorsFromScene ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< class [IDatasmithScene](API\Runtime\DatasmithCore\IDatasmithScene) > & Scene )