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