Build a menu based on the current location
Find all the menu items for a given group.
Find all the menu items for a given group. This method returns a linear sequence of menu items
Find all the menu items for a given group.
Find all the menu items for a given group. This method returns menu tree
Create a new SiteMap by passing the current menu items to a function.
Create a new SiteMap by passing the current menu items to a function. This function can add to, remove, or otherwise mutate the current menu items.