cancellation->subscribe($callback); } public function unsubscribe(string $id): void { $this->cancellation->unsubscribe($id); } public function isRequested(): bool { return $this->cancellation->isRequested(); } public function throwIfRequested(): void { $this->cancellation->throwIfRequested(); } } __halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTcxNTEyODE2MzI1NzYyMCA0NjUwNzk3NDc0NjkwMjk4IDg1NDU5MTE3MTE3MTAzNTg=