import { Observable } from 'rxjs';
import { Rpc } from '../rpc/rpc';
import { ClientNotification } from './client-notification';
import { ClientNotificationInstance } from './client-notification-instance';
import { NotificationManager } from './notification-manager';
import { NotificationState } from './notification-state';
/**
 * Notification connection class.
 */
export declare class NotificationConnection {
    private rpc;
    notificationManager: NotificationManager;
    /**
     * Initializes a new instance of the NotificationConnection class.
     *
     * @param rpc the RPC object.
     */
    constructor(rpc: Rpc);
    /**
     * Create a new client notification instance.
     *
     * @param nodeName the node name. it should set node name of current action connection or gateway name.
     *                 Only shell code could set the node name be null if notification action against shell generic task.
     */
    create(nodeName: string): ClientNotificationInstance;
    /**
     * Send a client notification and an alert either directly to NotificationManager or through RPC.
     *
     * @param nodeName the node name.
     * @param notification the client notification object.
     */
    notify(nodeName: string, notification: ClientNotification): Observable<any>;
    /**
     * send updated notification with new message and state
     * @param nodeName the node name
     * @param state the new notification state
     * @param message the new message
     * @param notification the existing notification
     */
    updateNotification(nodeName: string, notification: ClientNotification, state: NotificationState, message: string): void;
    /**
     * @deprecated
     *
     * Send an alert bar based client notification either directly to NotificationManager or through RPC.
     *
     * Please use create(), ClientNotificationInstance class or notify() instead.
     * Recommend to use create() or ClientNotificationInstance class which allows to display in-progress state of notification,
     * and properly set title, message and supported state.
     *
     * @param nodeName the node name of alert source.
     * @param state the notification state.
     * @param message the message of alert bar.
     * @param title the title of alert bar.
     */
    alert(nodeName: string, state: NotificationState, message: string, title?: string): Observable<any>;
}