}
private void addJasnyInputMaskDemo() {
TextField<String> textField = new TextField<String>("inputMask",
Model.of("l0rdn1kk0n"));
InputMaskBehavior inputMask = new InputMaskBehavior() {
@Override
protected String getMask() {
// Allow entering l0rdn1kk0n
return "a9aaa9aa9a";
}