import { BusMessage, MessageBus } from '@tangential/core';
import { Observable } from 'rxjs';
import { IconIF } from '../icon/icon';
export declare type NotificationType = 'error' | 'info' | 'warning';
export declare const NotificationTypes: {
    error: NotificationType;
    info: NotificationType;
    warning: NotificationType;
};
export interface NotificationIF {
    $key?: string;
    duration?: number;
    icon?: IconIF;
    level?: NotificationType;
    message?: string;
}
export declare class NotificationMessage extends BusMessage implements NotificationIF {
    static SourceKey: string;
    $key?: string;
    duration?: number;
    icon?: IconIF;
    message?: string;
    constructor(config: NotificationIF);
    /**
     * Returns an observable that will complete after a single response.
     */
    response(bus: MessageBus): Observable<NotificationResponseMessage>;
    /**
     * Returns an observable that will fire on every response and will never complete.
     */
    responses(bus: MessageBus): Observable<NotificationResponseMessage>;
    static info(config: NotificationIF): NotificationMessage;
    static warning(config: NotificationIF): NotificationMessage;
    static error(config: NotificationIF): NotificationMessage;
    static filter(bus: MessageBus): Observable<NotificationMessage>;
}
export declare class NotificationResponseMessage extends BusMessage {
    notice: NotificationMessage;
    response: any;
    static SourceKey: string;
    constructor(notice: NotificationMessage, response: any);
    static filter(bus: MessageBus): Observable<BusMessage>;
    static responseFor(notification: NotificationMessage, response: any): NotificationResponseMessage;
}