*/ private readonly Internal\FutureState $state; /** @var Future */ private readonly Future $future; public function __construct() { $this->state = new Internal\FutureState(); $this->future = new Future($this->state); } /** * Completes the operation with a result value. * * @param T $value Result of the operation. */ public function complete(mixed $value = null): void { $this->state->complete($value); } /** * Marks the operation as failed. * * @param \Throwable $throwable Throwable to indicate the error. */ public function error(\Throwable $throwable): void { $this->state->error($throwable); } /** * @return bool True if the operation has completed. */ public function isComplete(): bool { return $this->state->isComplete(); } /** * @return Future The future associated with this Deferred. */ public function getFuture(): Future { return $this->future; } }