code: @Nonnull
    @OverrideOnDemand
    protected String getMenuItemPageLabel (@Nonnull final IMenuItemPage aMenuItem,
                                           final boolean bHasChildren,
                                           final boolean bIsSelected,
                                           final boolean bIsExpanded)
    {
      return aMenuItem.getDisplayText (getContentLocale ());
    }
docs: Get the label to display.
  
  @param aMenuItem
  Menu item. Never <code>null</code>.
  @param bHasChildren
  <code>true</code> if the item has children
  @param bIsSelected
  <code>true</code> if it is selected
  @param bIsExpanded
  <code>true</code> if it is expanded.
  @return The label text. Should not be <code>null</code>.
  @see #getContentLocale()