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<?php
declare(strict_types=1);
namespace OpenTelemetry\SDK\Common\Future;
use Closure;
/**
* @template-covariant T
*/
interface FutureInterface
{
/**
* @psalm-return T
*/
public function await();
/**
* @psalm-template U
* @psalm-param Closure(T): U $closure
* @psalm-return FutureInterface<U>
*
* @psalm-suppress InvalidTemplateParam
*/
public function map(Closure $closure): FutureInterface;
/**
* @psalm-template U
* @psalm-param Closure(\Throwable): U $closure
* @psalm-return FutureInterface<T|U>
*/
public function catch(Closure $closure): FutureInterface;
}
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