public function ofOneOfTheseAccessLevels($accessLevels)
    {
        $items = [];

        foreach ($this->items as $path => $slug) {
            $page = $this->pages->get($path);

            if ($page !== null && isset($page->header()->access)) {
                if (\is_array($page->header()->access)) {
                    //Multiple values for access
                    $valid = false;

                    foreach ($page->header()->access as $index => $accessLevel) {
                        if (\is_array($accessLevel)) {
                            foreach ($accessLevel as $innerIndex => $innerAccessLevel) {
                                if (\in_array($innerAccessLevel, $accessLevels)) {
                                    $valid = true;
                                }
                            }
                        } else {
                            if (\in_array($index, $accessLevels)) {
                                $valid = true;
                            }
                        }
                    }
                    if ($valid) {
                        $items[$path] = $slug;
                    }
                } else {
                    //Single value for access
                    if (\in_array($page->header()->access, $accessLevels)) {
                        $items[$path] = $slug;
                    }
                }

            }
        }

        $this->items = $items;

        return $this;
    }