Get the currently selected SidebarMenuItemInterface.
Opens the SidebarMenuItemInterface.
Note: only works for items that are visible in the menu.
Promise that resolves when navigation has completed and rejects if user has canceled the action (e.g. to keep unsaved changes in the current view).
Closes any open SidebarMenuItemInterface and displays the top-level menu items list.
Menu items organized in a tree structure with an array on the root level.
Supported actions that can be performed on the retrieved items structure: