Test project for media files management.
<?php
namespace Illuminate\Contracts\Validation;
use Closure;
interface ValidationRule
{
/**
* Run the validation rule.
*
* @param string $attribute
* @param mixed $value
* @param \Closure(string): \Illuminate\Translation\PotentiallyTranslatedString $fail
* @return void
*/
public function validate(string $attribute, mixed $value, Closure $fail): void;
}