/**
 * Finds the owning accordion element for a given accordion item. Used for nested accordions.
 * @param accordionItem The accordion item element to find the owning accordion for.
 * @returns The owning accordion element or null if not found.
 */
declare const findOwningAccordion: (accordionItem: HTMLDivElement) => HTMLDivElement | null;
/**
 * Gets the direct accordion items for a given accordion. Supports nested accordions.
 * @param accordion The accordion element to get direct items from.
 * @returns An array of direct accordion item elements that are direct children of the given accordion.
 */
declare const getDirectAccordionItems: (accordion: HTMLDivElement) => HTMLDivElement[];
/**
 * Updates the ARIA attributes for a given accordion item.
 * @param item The accordion item element to update ARIA attributes for.
 * @param isOpen Whether the accordion item is currently open or closed.
 */
declare const updateAccordionARIA: (item: HTMLDivElement, isOpen: boolean) => void;
/**
 * Toggles the open state of a given accordion item.
 * @param accordionItem The accordion item element to toggle.
 * @param accordion The accordion element that contains the item.
 * @returns void
 */
declare const toggleAccordionItem: (accordionItem: HTMLDivElement, accordion: HTMLDivElement) => void;
/**
 * Focuses the next or previous accordion item within a given accordion.
 * @param accordion The accordion element to focus an item within.
 * @param direction The direction to focus the item in (next or previous).
 * @param currentItem The currently focused accordion item.
 * @returns void
 */
declare const focusAccordionItem: (accordion: HTMLDivElement, direction: "next" | "prev", currentItem: HTMLDivElement) => void;
/**
 * Initializes the ARIA states for all accordion items on page load.
 */
declare const initializeAccordionStates: () => void;
declare let listenersAdded: boolean;
/**
 * Toggles the open state of a given accordion item.
 * @param event The event that triggered the interaction (click or keydown).
 * @param isKeyboard Whether the interaction was triggered by a keyboard event.
 * @returns void
 */
declare const handleAccordionInteraction: (event: Event, isKeyboard?: boolean) => void;
declare const loadAccordions: () => void;