[FString](API\Runtime\Core\Containers\FString) GetRootPath ( [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool([FCallbackParams](API\Runtime\CoreUObject\UObject\FReferenceChainSearch\FCallbackParams) &Params)> ReferenceCallback, [UObject](API\Runtime\CoreUObject\UObject\UObject) * TargetObject ) const