lanzu_api_2021-12-26/app/Service/v3/Implementations/ExampleService.php

<?php

namespace App\Service\v3\Implementations;

use App\Service\v3\Interfaces\ExampleServiceInterface;

class ExampleService implements ExampleServiceInterface
{
    public function do()
    {
        // TODO: Implement check() method.
    }

    public function check()
    {
        // TODO: Implement check() method.
    }

    public function undo()
    {
        // TODO: Implement undo() method.
    }
}