*/
private SeparatorManager createSeparatorManager() {
// todo Allow the following to be customised.
SeparatorArbitrator groupArbitrator
= UseDeferredSeparatorArbitrator.INSTANCE;
SeparatorArbitrator orientationArbitrator
= HTMLMenuOrientationSeparatorArbitrator.INSTANCE;
SeparatorManager orientationManager = new DefaultSeparatorManager(
outputBuffer, orientationArbitrator);