The shape of each item in the structure.
Observable array of structure items representing the workspace's breadcrumb hierarchy.
OptionalgetReturns the href for a breadcrumb structure item, or undefined if the item should not be a link.
Used by the workspace breadcrumb element to generate clickable navigation links.
The structure item to generate an href for.
The href string, or undefined if the item should not be clickable.
Base context for exposing an entity's ancestor/parent structure to menu UI.