src/Http/Server.php
static function create(string $app, ?string $listen = null, ?array $ssl = null) {
        parent::create($app);
        self::$_apps[$app] = new self($app, $listen ? 'http://'.$listen : null, $ssl);
    }
static function create(string $app, ?string $listen = null, ?array $ssl = null) {
        parent::create($app);
        self::$_apps[$app] = new self($app, $listen ? 'http://'.$listen : null, $ssl);
    }
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@param string $app
@param string $listen
@param array $ssl