| 123456789101112131415161718 | <?phpdeclare(strict_types=1);namespace Yansongda\Pay\Exception;use Throwable;class InvalidConfigException extends Exception{    /**     * @param mixed $extra     */    public function __construct(int $code = self::CONFIG_ERROR, string $message = 'Config Error', $extra = null, Throwable $previous = null)    {        parent::__construct($message, $code, $extra, $previous);    }}
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