static [FPackageTrailerBuilder](API\Runtime\CoreUObject\UObject\FPackageTrailerBuilder) CreateFromTrailer ( const class [FPackageTrailer](API\Runtime\CoreUObject\UObject\FPackageTrailer) & Trailer, [FArchive](API\Runtime\Core\Serialization\FArchive) & Ar, const [FName](API\Runtime\Core\UObject\FName) & PackageName )