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declare (strict_types=1);
namespace YoastSEO_Vendor\GuzzleHttp\Promise;
interface TaskQueueInterface
* Returns true if the queue is empty.
public function isEmpty() : bool;
* Adds a task to the queue that will be executed the next time run is
public function add(callable $task) : void;
* Execute all of the pending task in the queue.
public function run() : void;