/**
 * Given a function to group, group the given data.
 * This function prioritizes speed over readability.
 */
export declare function groupByFn<T>(options: T[], groupBy?: (row: T) => string): T[] | Record<string, T[]>;
export declare function getEnabledOptionIds<T>(options: T[], getOptionId: (option: T) => string, getIsOptionDisabled?: (option: T) => boolean, getIsOptionCheckable?: (option: T) => boolean): string[];
export type DirectionKey = 'ArrowUp' | 'ArrowDown' | 'Home' | 'End';
export declare function getIndexFromDirectionKey(currentIndex: number, directionKey: DirectionKey, maxIndex: number): number;
//# sourceMappingURL=utils.d.ts.map