public ManipulatorUI getUI() {
columns = Lookup.getDefault().lookup(AttributeController.class).getModel().getNodeTable().getColumns();
mergeStrategies = new AttributeRowsMergeStrategy[columns.length];
deleteMergedNodes = NbPreferences.forModule(MergeNodeDuplicates.class).getBoolean(DELETE_MERGED_NODES_SAVED_PREFERENCES, true);
caseSensitive = NbPreferences.forModule(MergeNodeDuplicates.class).getBoolean(CASE_SENSITIVE_SAVED_PREFERENCES, true);
return new MergeNodeDuplicatesUI();
}