/**
 * Returns the next non-disabled highlightedIndex value.
 *
 * @param start The current highlightedIndex.
 * @param backwards If true, it will search backwards from the start.
 * @param items The items array.
 * @param isItemDisabled Function that tells if an item is disabled or not.
 * @param circular If the search reaches the end, if it can search again starting from the other end.
 * @returns The next non-disabled index.
 */
export declare function getNonDisabledIndex<Item>(start: number, backwards: boolean, items: Item[], isItemDisabled: (item: Item, index: number) => boolean, circular?: boolean): any;