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<?php
namespace u2flib_server;
/**
* Error class, returned on errors
*/
class Error extends \Exception
{
* Override constructor and make message and code mandatory.
* @param string $message
* @param int $code
* @param \Exception|null $previous
public function __construct($message, $code, \Exception $previous = null)
parent::__construct($message, $code, $previous);
}