root.addFolder(subRootFolder1, null, false);
IFolder subRoot1Folder1 = new Folder(null, subRootFolder1, "SubRoot1Folder1");
subRootFolder1.addFolder(subRoot1Folder1, null, false);
subRoot1Folder1.addFolder(new Folder(null, subRoot1Folder1, "SubRoot11Folder1"), null, false);
subRoot1Folder1.addMark(new BookMark(null, subRoot1Folder1, feed, "SubRoot11Mark1"), null, false);
subRootFolder1.addMark(new BookMark(null, subRootFolder1, feed, "SubRoot1Mark1"), null, false);
subRootFolder1.addMark(new BookMark(null, subRootFolder1, feed, "SubRoot1Mark2"), null, false);