public class MyDslOutlineTreeProvider extends DefaultOutlineTreeProvider {
	
	@Inject
	@Named("dummy")
	protected ILabelProvider labelProvider2;
	
	@Override
	protected Object _text(Object modelElement) {
		if (labelProvider2 instanceof IStyledLabelProvider)
			return ((IStyledLabelProvider) labelProvider2).getStyledText(modelElement);
		else
			return labelProvider2.getText(modelElement);
	}
	
}

public class MyDslUiModule extends org.xtext.example.mydsl.ui.AbstractMyDslUiModule {
	public MyDslUiModule(AbstractUIPlugin plugin) {
		super(plugin);
	}
	
	public void configureILabelProvider2(Binder binder) {
		binder.bind(ILabelProvider.class).annotatedWith(Names.named("dummy")).to(MyDslLabelProvider2.class);
	}
}