import type { StoreState } from '../types/index.js';
import type { Theme } from '@farfetch/blackout-client';
/**
 * Checks if styleguide theme has error.
 *
 * @param state - Application state.
 * @param code  - The theme identifier.
 *
 * @returns Theme error.
 */
export declare const getThemeError: (state: StoreState, code: Theme['code']) => import("@farfetch/blackout-client").BlackoutError | undefined;
/**
 * Checks if styleguide theme is loading.
 *
 * @param state - Application state.
 * @param code  - The theme identifier.
 *
 * @returns If the theme is loading or not.
 */
export declare const isThemeLoading: (state: StoreState, code: Theme['code']) => boolean | undefined;
/**
 * Gets a styleguide theme.
 *
 * @param state - Application state.
 * @param code  - The theme identifier.
 *
 * @returns The styleguide theme.
 */
export declare const getTheme: (state: StoreState, code: Theme['code']) => Theme | undefined;
/**
 * Checks if a styleguide theme is fetched.
 *
 * @param state - Application state.
 * @param code  - The theme identifier.
 *
 * @returns If the styleguide theme was requested or not.
 */
export declare const isThemeFetched: (state: StoreState, code: Theme['code']) => boolean;