import type { StoreState } from '../../types/index.js';
import type { UnsubscribeRecipientFromTopicType } from './../types/index.js';
import type { SubscriptionTopic } from '@farfetch/blackout-client';
/**
 * Returns the error given a user subscription action.
 *
 * @param state - Application state.
 *
 * @returns User subscription error.
 */
export declare const getUserSubscriptionsError: (state: StoreState) => import("../../types/nullable.types.js").Nullable<import("@farfetch/blackout-client").BlackoutError>;
/**
 * Returns the error when the update user subscriptions action fails.
 *
 * @param state - Application state.
 *
 * @returns Error for the update subscription action.
 */
export declare const getUpdateUserSubscriptionsError: (state: StoreState) => import("@farfetch/blackout-client").BlackoutError | null | undefined;
/**
 * Returns the result of a user subscription.
 *
 * @param state - Application state.
 *
 * @returns User subscription result.
 */
export declare const getUserSubscriptions: (state: StoreState) => import("../../types/nullable.types.js").Nullable<import("@farfetch/blackout-client").Subscription[]>;
/**
 * Returns the user subscribed topics for the specified platform.
 *
 * @param state    - Application state.
 * @param platform - Platform to filter the subscriptions.
 *
 * @returns User subscribed topics for the specified platform.
 */
export declare const getUserSubscribedTopicsForPlatform: (state: StoreState, platform: string) => SubscriptionTopic[];
/**
 * Returns the user subscribed topics for the specified address.
 *
 * @param state   - Application state.
 * @param address - Address to filter the subscriptions.
 *
 * @returns User subscribed topics for the specified address.
 */
export declare const getUserSubscribedTopicsForAddress: (state: StoreState, address: string) => SubscriptionTopic[];
/**
 * Returns the loading status of a user subscription.
 *
 * @param state - Application state.
 *
 * @returns User subscription loading status.
 */
export declare const areUserSubscriptionsLoading: (state: StoreState) => boolean;
/**
 * Retrieves if user subscriptions have been fetched.
 *
 * Will return true if a fetch request
 * has been made that returned either successfully or failed
 * and false otherwise.
 *
 * @example
 * ```
 * import { areUserSubscriptionsFetched } from '@farfetch/blackout-redux';
 *
 * const mapStateToProps = state => ({
 *     isFetched: areUserSubscriptionsFetched(state)
 * });
 * ```
 * @param state - Application state.
 *
 * @returns isFetched status of the subscription packages.
 */
export declare const areUserSubscriptionsFetched: (state: StoreState) => boolean;
/**
 * Returns a specific unsubscribe recipient from topic request state from the redux
 * store.
 *
 * @param state       - Application state.
 * @param recipientId - Id of the recipient (address) to get the unsubscribe request state.
 *
 * @returns The unsubscribe request state if available on the redux store or undefined.
 */
export declare const getUnsubscribeRecipientFromTopicRequest: (state: StoreState, recipientId: string) => UnsubscribeRecipientFromTopicType | undefined;
/**
 * Returns all unsubscribe recipient from topic requests state from the redux
 * store.
 *
 * @param state - Application state.
 *
 * @returns All unsubscribe recipient from topic requests state.
 */
export declare const getUnsubscribeRecipientFromTopicRequests: (state: StoreState) => (UnsubscribeRecipientFromTopicType & {
    recipientId: string;
})[];