src/Command/Exception.php
<?php
namespace Yaoi\Command;
class Exception extends \Exception
{
const UNKNOWN_OPTION = 1;
const ALREADY_DEFINED = 2;
const INVALID_VALUE = 3;
const INVALID_ARGUMENT = 4;
const OPTION_REQUIRED = 14;
const ARGUMENT_REQUIRED = 12;
const VALUE_REQUIRED = 13;
}