public function loadBookmarks(Request $request): RestValue
    {
        $offset = $request->query->getInt('offset', 0);
        $limit = $request->query->getInt('limit', 25);

        $restLocations = [];
        $bookmarks = $this->bookmarkService->loadBookmarks($offset, $limit);
        foreach ($bookmarks as $bookmark) {
            $restLocations[] = new Values\RestLocation(
                $bookmark,
                $this->locationService->getLocationChildCount($bookmark)
            );
        }

        return new Values\BookmarkList($bookmarks->totalCount, $restLocations);
    }