import { AccordionItem, AccordionContainerProps } from './types';
export declare function calculateInitialOpenedItems(items: Array<AccordionItem>, defaultOpen: AccordionContainerProps['defaultOpen'], allowMultipleOpen: boolean): Array<string>;
export declare function shouldUseMultipleMode(allowMultipleOpen: boolean, defaultOpen: AccordionContainerProps['defaultOpen']): boolean;
export declare function normalizeAccordionValue(value: Array<string> | string): Array<string>;