$modelClassName * @param TNameOrCountOrNull $nameOrCount * @param TCountOrNull $count * * @return ( TCountOrNull is int ? Illuminate\Database\Eloquent\FactoryBuilder : ( TNameOrCountOrNull is int ? Illuminate\Database\Eloquent\FactoryBuilder : Illuminate\Database\Eloquent\FactoryBuilder ) ) */ function factory(string $modelClassName, $nameOrCount = null, $count = null) { }