import type { BrowserTypes, Channel, ContextHandler, Listener } from '@finos/fdc3';
import { FullyQualifiedAppIdentifier, IProxyMessagingProvider } from '../contracts.js';
import { MessagingBase } from '../messaging/index.js';
import { IChannelFactory } from './channel.contracts.js';
/**
Listens to broadcast events.
This can be for a specific channel or can be for a DesktopAgent where the channel can change
*/
export declare class ContextListener extends MessagingBase implements ContextListener {
    /**
     * channel details must be passed when this is being created for use in a channel
     * If this is being used to listen for agent context updates this should be omitted
     * listenOnCurrentChannel flag indicates whether contextListener should always listen to current user channel
     */
    private channelDetails;
    private channelFactory;
    private listenOnCurrentChannel;
    constructor(
    /**
     * channel details must be passed when this is being created for use in a channel
     * If this is being used to listen for agent context updates this should be omitted
     * listenOnCurrentChannel flag indicates whether contextListener should always listen to current user channel
     */
    channelDetails: BrowserTypes.Channel | undefined, appIdentifier: FullyQualifiedAppIdentifier, messagingProvider: IProxyMessagingProvider, channelFactory: IChannelFactory, listenOnCurrentChannel?: boolean);
    private _id;
    addContextListener(contextType: string | null | string | ContextHandler, handler: ContextHandler): Promise<Listener>;
    addContextListener(handler: ContextHandler): Promise<Listener>;
    getCurrentChannel(): Promise<Channel | null>;
    getCurrentContext(contextType?: string | null): Promise<BrowserTypes.Context | null>;
    private getAddContextListenerResponse;
    private getAddEventListenerResponse;
    private addBroadcastEventListener;
    private addChannelChangedEventListener;
}