import type { StoreState } from '../../types/index.js';
/**
 * Retrieves the error status of categories.
 *
 * @example
 * ```
 * import { getCategoriesError } from '@farfetch/blackout-redux';
 *
 * const mapStateToProps = state => ({
 *     error: getCategoriesError(state)
 * });
 * ```
 *
 * @param state - Application state.
 *
 * @returns Error information (`null` if there are no errors).
 */
export declare const getCategoriesError: (state: StoreState) => import("@farfetch/blackout-client").BlackoutError | null;
/**
 * Retrieves the loading state of categories.
 *
 * @example
 * ```
 * import { areCategoriesLoading } from '@farfetch/blackout-redux';
 *
 * const mapStateToProps = state => ({
 *     isLoading: areCategoriesLoading(state)
 * });
 * ```
 *
 * @param state - Application state.
 *
 * @returns - Loading status of categories.
 */
export declare const areCategoriesLoading: (state: StoreState) => boolean;
/**
 * Returns the fetched status of categories.
 *
 * @example
 * ```
 * import { areCategoriesFetched } from '@farfetch/blackout-redux';
 *
 * const mapStateToProps = state => ({
 *     areCategoriesFetched: areCategoriesFetched(state)
 * });
 * ```
 *
 * @param state - Application state.
 *
 * @returns - If categories are fetched or not.
 */
export declare const areCategoriesFetched: (state: StoreState) => boolean;
/**
 * Retrieves a list of all the categories available.
 *
 * @example
 * ```
 * import { getCategories } from '@farfetch/blackout-redux';
 *
 * const mapStateToProps = state => ({
 *     categories: getCategories(state)
 * });
 * ```
 *
 * @param state - Application state.
 *
 * @returns - Categories by id.
 */
export declare const getCategories: (state: StoreState) => Record<number, import("../../index.js").CategoryEntity> | undefined;