}
@Override
public final void showMapping(final TreeMapper treeMapper, final String targetDE, final NodeMapping mapping,
final String currentExpression, final TestResult testResult) {
new BusyWorker(treeMapper.getTreeMapperContainer().getWaitService()) {
@Override
protected void doWork() {
showFormulaImpl(treeMapper, currentExpression, targetDE, mapping, testResult);
}