protected void setListData(Collection<OBJECT_TYPE> items, boolean append, boolean forUpdate) {
        setListData(items, append, forUpdate, false);
    }
Used to save/load columns configuration.
Must depend on object types

@param classList classes of objects in the list
plugins/org.jkiss.dbeaver.ui.navigator/src/org/jkiss/dbeaver/ui/navigator/itemlist/ObjectListControl.java