/**
 * Default compare function.
 */
import { ImmutableProcessedSortingOption } from './interfaces';
import { ImmutableAugmentedItem, Item } from '../stores/items-store/interfaces';
export declare function defaultCompareFn<T extends Item<T>, K extends keyof T>(aItem: ImmutableAugmentedItem<T>, bItem: ImmutableAugmentedItem<T>, options: ImmutableProcessedSortingOption<T, K>): number;