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<?php
declare(strict_types=1);
namespace SimpleSAML\XML\Exception;
/**
* Class IOException
*
* This exception is thrown when an I/O operation cannot be handled
* @package simplesamlphp/xml-common
*/
class IOException extends RuntimeException
{
* @param string|null $message
public function __construct(?string $message = null)
parent::__construct($message ?: 'Generic I/O Exception.');
}