const historyActions = [
  { id: 'open-url'                   , label: 'open'                         , icon: 'open'   , handler: openUrl                , contentHandler: noop },
  { id: 'open-urls-in-new-tab'       , label: 'open url(s) in new tab(s)'    , icon: 'tab'    , handler: openUrlsInNewTab       , contentHandler: noop },
  { id: 'open-urls-in-new-window'    , label: 'open url(s) in new window'    , icon: 'window' , handler: openUrlsInNewWindow    , contentHandler: noop },
  { id: 'open-urls-in-private-window', label: 'open url(s) in private window', icon: 'private', handler: openUrlsInPrivateWindow, contentHandler: noop },