class TrustyCms::AdminUI::NavTab

def deprecated_add(name, url, caller)
  ActiveSupport::Deprecation.warn("admin.tabs.add is no longer supported in TrustyCms 0.9.x.  Please update your code to use: \ntab \"Content\" do\n\tadd_item(...)\nend", caller)
  NavSubItem.new(name, url)
end