import type SynNavItem from '../nav-item/nav-item.component.js';
/**
 * Get a list of all assigned elements for a given slot
 * @param slot The slot to query
 * @returns Flattened list of assigned elements
 */
export declare const getAssignedElementsForSlot: (slot: HTMLSlotElement) => HTMLElement[];
/**
 * Check if an item is a SynNavItem or otherwise an item that has a role of menuitem.
 * Note we always treat all items as SynNavItems here
 * @param item The item to check for
 * @returns True if the item is a SynNavItem, false otherwise
 */
export declare const isNavItem: (item: HTMLElement) => item is SynNavItem;
/**
 * Get a list of only SynNavItem elements
 * @param items List of items to check for
 * @returns New array of all found syn-nav-items
 */
export declare const filterOnlyNavItems: (items: HTMLElement[]) => SynNavItem[];
/**
 * Show a navigation item
 * @param item The item to show
 */
export declare const showNavigationItem: (item: SynNavItem) => void;
/**
 * Hide a navigation item
 * @param item The item to hide
 */
export declare const hideNavigationItem: (item: SynNavItem) => void;