/**
* Opens the tab `$targetContent` defined by `$target`. Collapses active tab.
* @param {jQuery} $target - Tab to open.
+ * @param {boolean} historyHandled - browser has already handled a history update
* @fires Tabs#change
* @function
*/
/**
* Public method for selecting a content pane to display.
* @param {jQuery | String} elem - jQuery object or string of the id of the pane to display.
+ * @param {boolean} historyHandled - browser has already handled a history update
* @function
*/
selectTab(elem, historyHandled) {