bool CopyFilesToWorkingDir ( const [FString](API\Runtime\Core\Containers\FString) & TargetDir, const [FHLODModifiedFiles](API\Editor\UnrealEd\WorldPartition\FHLODModifiedFiles) & ModifiedFiles, [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & BuildProducts )