/**
 * The state model for Nav. Acting as a collection of latest Nav states.
 */
export declare class NavState {
    items: NavItemState[];
}
/**
 * A single piece of nav item.
 */
export declare class NavItemState {
    /**
     * Partial path to be bound to this item.
     */
    path: string;
    /**
     * Is this item active?
     */
    active?: boolean;
    /**
     * Whether this item has a menu or not.
     */
    menu?: NavMenuState;
}
export declare class NavMenuState {
    /**
     * Child items of this menu.
     */
    items: NavItemState[];
    /**
     * Indicates if this menu is expanded or not.
     */
    expanded?: boolean;
}