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<?php
/**
* This file is part of the ramsey/uuid library
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
* @license http://opensource.org/licenses/MIT MIT
* @link https://benramsey.com/projects/ramsey-uuid/ Documentation
* @link https://packagist.org/packages/ramsey/uuid Packagist
* @link https://github.com/ramsey/uuid GitHub
*/
namespace Ramsey\Uuid\Generator;
use Exception;
use InvalidArgumentException;
use Ramsey\Uuid\Exception\UnsatisfiedDependencyException;
/**
* TimeGeneratorInterface provides functionality to generate strings of binary
* data for version 1 UUIDs based on a host ID, sequence number, and the current
* time
*/
interface TimeGeneratorInterface
{
/**
* Generate a version 1 UUID from a host ID, sequence number, and the current time
*
* @param int|string $node A 48-bit number representing the hardware address
* This number may be represented as an integer or a hexadecimal string.
* @param int $clockSeq A 14-bit number used to help avoid duplicates that
* could arise when the clock is set backwards in time or if the node ID
* changes.
* @return string A binary string
* @throws UnsatisfiedDependencyException if called on a 32-bit system and
* `Moontoast\Math\BigNumber` is not present
* @throws InvalidArgumentException
* @throws Exception if it was not possible to gather sufficient entropy
*/
public function generate($node = null, $clockSeq = null);
}
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