NoopStalenessHandlerFactory.php

<?php

declare (strict_types=1);
namespace OpenTelemetry\SDK\Metrics\StalenessHandler;

use OpenTelemetry\SDK\Metrics\ReferenceCounterInterface;
use OpenTelemetry\SDK\Metrics\StalenessHandlerFactoryInterface;
use OpenTelemetry\SDK\Metrics\StalenessHandlerInterface;
final class NoopStalenessHandlerFactory implements StalenessHandlerFactoryInterface {
    public function create() : ReferenceCounterInterface&StalenessHandlerInterface {
        static $instance;
        return $instance ??= new NoopStalenessHandler();
    }

}