import { OptionType } from './types';
/**
 * Utility function to calculate the next option index. It would return the
 * index of the next option which is not disabled.
 *
 * @param options Array of options
 * @param activeIndex The current index
 */
export declare function findNextIndex(options: OptionType[], activeIndex: number): number;
/**
 * Utility function to calculate the previous option index. It would return the index of the
 * previous item which is not disabled.
 *
 * @param options Array of options
 * @param activeIndex The current index
 */
export declare function findPrevIndex(options: OptionType[], activeIndex: number): number;