import redux, { AnyAction } from 'redux';
export interface ComponentState {
    options: ListenOptions;
    notifications: Notification[];
}
export interface NotificationsState {
    subscribers: {
        [componentId: string]: ComponentState;
    };
}
export interface Notification {
    key: string;
    message: string;
    trigger: AnyAction;
}
export interface ListeningTo {
    hideAfter?: number | null;
    defaultMessage?: string | null;
    showDismiss: boolean;
}
export declare const LISTEN_TO = "notifications/listenTo";
export declare const STOP_LISTEN = "notifications/stopListen";
export declare const SHOW_NOTIFICATION = "notification/showNotification";
export declare const HIDE_NOTIFICATION = "notification/hideNotification";
export interface ListenOptions {
    componentId: string;
    triggeredBy: string[];
    hideAfter: number | undefined;
    defaultMessage: string | undefined;
}
export declare function listen(options: ListenOptions): ListenToAction;
export declare function unlisten(componentId: string): StopListenAction;
export declare function hide(componentId: string, key: string): HideNotificationAction;
export declare function createMiddleware(key: string): redux.Middleware;
export declare const middleware: redux.Middleware;
export interface ListenToAction {
    type: typeof LISTEN_TO;
    options: ListenOptions;
}
export interface StopListenAction {
    type: typeof STOP_LISTEN;
    componentId: string;
}
export interface ShowNotificationAction {
    type: typeof SHOW_NOTIFICATION;
    componentId: string;
    notification: Notification;
}
export interface HideNotificationAction {
    type: typeof HIDE_NOTIFICATION;
    componentId?: string;
    notificationKey: string;
}
export declare type NotificationActions = ListenToAction | StopListenAction | ShowNotificationAction | HideNotificationAction;
declare const reducer: redux.Reducer<NotificationsState>;
export default reducer;