resolveRuntime example

    public function getRunner(?object $application): RunnerInterface
    {
        $application ??= static fn () => 0;

        if ($application instanceof RunnerInterface) {
            return $application;
        }

        if (!$application instanceof \Closure) {
            if ($runtime = $this->resolveRuntime($application::class)) {
                return $runtime->getRunner($application);
            }

            if (!\is_callable($application)) {
                throw new \LogicException(sprintf('"%s" doesn\'t know how to handle apps of type "%s".', get_debug_type($this), get_debug_type($application)));
            }

            $application = $application(...);
        }

        if ($_SERVER[$this->options['debug_var_name']] && ($r = new \ReflectionFunction($application)) && $r->getNumberOfRequiredParameters()) {