import { type AnalyticsWebClient, APSTransportType, type OnEvent } from '../../apiTypes';
import { type APSProtocolConfig } from '../types';
import { type EventType, type Protocol } from '../../types';
import { type APSTransport } from './transports';
export default class APSProtocol implements Protocol {
    readonly url: URL;
    private readonly eventEmitter;
    activeTransport: APSTransport;
    private readonly fallbackTransport;
    private readonly skipFallback;
    private readonly analyticsClient;
    /**
     * @param apsUrl the URL used to initiate a Web Socket connection with Atlassian PubSub.
     * Defaults to the path '/gateway/wss/fps', relative to the domain of the current window.location.
     * @param preferredTransport indicates which type of transport the APS client should use. The default
     * value is WEBSOCKET.
     * @param skipFallback indicates that this class should not attempt to reconnected using the fallback transport
     * in case the primary one fails. This value should, most of the time, be 'false' on a real client.
     * @param analyticsWebClient a GasV3 AnalyticsWebClient instance which will be used to emit operational events
     */
    constructor(apsUrl?: URL, preferredTransport?: APSTransportType, skipFallback?: boolean, analyticsWebClient?: AnalyticsWebClient);
    private static getDefaultUrl;
    getCapabilities(): string[];
    getType(): string;
    /**
     * The APS protocol does not implement 'networkDown' or 'networkUp'.
     * These functions are never called by our primary consumers.
     */
    networkDown(): void;
    /**
     * The APS protocol does not implement 'networkDown' or 'networkUp'.
     * These functions are never called by our primary consumers.
     */
    networkUp(): void;
    off(event: EventType, handler: OnEvent): void;
    on(event: EventType, handler: OnEvent): void;
    subscribe(config: APSProtocolConfig): void;
    unsubscribeAll(): void;
}