// because the Comparator
// will be set by configuration
SortedList<PersonWithAddress> sortedList = new SortedList<PersonWithAddress>(
rowObjectsGlazedList, null);
// wrap the SortedList with the TreeList
this.treeList = new TreeList(sortedList, treeFormat,
TreeList.nodesStartExpanded());
this.bodyDataProvider = new GlazedListsDataProvider<Object>(
treeList, new PersonWithAddressTreeColumnPropertyAccessor(
columnPropertyAccessor));