/**
 * Description of groups in the navigation menu.
 *
 * Used to create nesting levels of menu items.
 *
 * @param title Title of group. Navigation element shows it to user.
 * @param child Array of navigation elements specified below group(View or inner Group)
 */
export interface ViewNavigationGroup {
    /** TODO identifier will be nullable and string-only in 2.0.0 */
    id?: string | number;
    /**
     * Displayed name for the grouup
     */
    title: string;
    /**
     * Nested items for the group
     */
    child: Array<ViewNavigationGroup | ViewNavigationItem>;
    /**
     * If true, the group will not be visible in navigation (but still accessible by direct link or drilldown)
     */
    hidden?: boolean;
    /**
     * If specified this view will be default view for the group; if not, the first available view will be default view
     */
    defaultView?: string;
}
/**
 * The type of object to describe the menu items in the navigation.
 */
export declare type MenuItem = ViewNavigationGroup | ViewNavigationCategory | ViewNavigationItem;
/**
 * Description of the category in the navigation menu.
 * Used to create nesting levels of menu items.
 *
 * @param categoryName The name of the category.
 * @param child list of categories or menu items included in a category.
 * @deprecated ViewNavigationCategory will be deleted in 2.0.0
 * @category Type Guards
 */
export interface ViewNavigationCategory {
    categoryName: string;
    child: Array<ViewNavigationCategory | ViewNavigationItem>;
}
/**
 * Description of the destination in the navigation menu.
 *
 * @param viewName Identifier of view.
 */
export interface ViewNavigationItem {
    viewName?: string;
    hidden?: boolean;
    /** TODO: remove in 2.0.0 */
    id?: string;
}