php7.2.34-ts parallel=1.1.4 Call to undefined method parallel\\Runtime\\Type\\Unavailable::request()

[jasonccs]

use Illuminate\Http\Request; use GuzzleHttp\Client; use parallel\Runtime;

    $urls = array(
        'https://www.example.com',
        'https://www.google.com',
        'https://www.facebook.com',
        'https://www.github.com',
        'https://www.stackoverflow.com',
    );
    $client1 = new \GuzzleHttp\Client();

    $runtime = new Runtime();
    $promises = array();    
    foreach ($urls as $url) {
        $promises[] = $runtime->run(function ($url)  use ($client1) {
            var_dump($client1->request('',$url));

        }, [$url]);
    }


    $results = array();
    foreach ($promises as $promise) {
        $results[] = $promise->value();
    }