21 lines
334 B
PHP
21 lines
334 B
PHP
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<?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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final class NullCancellation implements CancellationInterface
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{
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public function subscribe(Closure $callback): string
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{
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return self::class;
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}
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public function unsubscribe(string $id): void
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{
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// no-op
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}
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}
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