public function init()
    {
        $this->addCommand(ImportCommand::class);
        $this->addCommand(ClearCommand::class);

        $this->addGlobalOption('c')
            ->alias('class')
            ->defaultValue('MainSeeder')
            ->description('The class to import.');

        $this->addGlobalOption('d')
            ->alias('dir')
            ->description('The directory of this seeder.');

        $this->addGlobalOption('p')
            ->alias('package')
            ->description('Package name to import seeder.');

        parent::init();
    }