19 lines
317 B
PHP
19 lines
317 B
PHP
|
<?php
|
||
|
|
|
||
|
|
declare(strict_types=1);
|
||
|
|
|
||
|
|
namespace OpenTelemetry\SDK\Common\Future;
|
||
|
|
|
||
|
|
use Closure;
|
||
|
|
use Throwable;
|
||
|
|
|
||
|
|
interface CancellationInterface
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* @param Closure(Throwable): void $callback
|
||
|
|
*/
|
||
|
|
public function subscribe(Closure $callback): string;
|
||
|
|
|
||
|
|
public function unsubscribe(string $id): void;
|
||
|
|
}
|