/**
 * this is a WebSockets specific client
 * it extends the platform agnostic Client class
 *  @module
 */
import { Client } from "../client/client.ts";
import type { ConnNext } from "../client/deps.ts";
/**
 * WsClient extends the Client class to provide WebSocket based clients
 * it is used by the MQTTclient to connect to the broker
 * see the /examples folder for an example
 */
export declare class WsClient extends Client {
    /** create a websocket and wrap it in a ConnNext */
    private establishSocket;
    /** createConn provides support for both "ws:" and "wss:" URLs */
    protected createConn(): Promise<ConnNext>;
}
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