interface OnRevealedParams {
    /**
     * Current state of breadcrumbs.
     */
    isExpanded: boolean;
    /**
     * Used to disable callback invoking
     */
    isDisabled: boolean;
}
/**
 * The hook is used to invoke callback after breadcrumbs is revealed.
 *
 * The hook checks if previous state of breadcrumbs was collapsed and current state is expanded
 * and if so invoke received callback.
 *
 * @param callback the function to invoke after revealing
 * @param param1 the object that contain two field:
 *    1) isExpanded - current state of breadcrumbs
 *    2) isDisabled - to disable the callback.
 */
export declare function useOnRevealed(callback: () => void, { isExpanded, isDisabled }: OnRevealedParams): void;
export {};