import type { AllEventKeys } from "../events/event-bus.js";
import { EventEmitter, type AllEvents } from "../events/event-emitter.js";
import type { EventListener, EventOptions } from "../events/shared.js";
import { IsomorphicBuffer } from "../helpers.js";
import { SocketAdapterAkalaEventMap, SocketAdapter } from "./shared.js";
import { type Subscription } from "../teardown-manager.js";
/**
 * json-rpc-ws connection
 *
 * @constructor
 * @param {Socket} socket - web socket for this connection
 * @param {Object} parent - parent that controls this connection
 */
export declare class WebSocketAdapter extends EventEmitter<SocketAdapterAkalaEventMap> implements SocketAdapter {
    private readonly socket;
    constructor(socket: WebSocket);
    pipe(socket: SocketAdapter): void;
    get open(): boolean;
    close(): Promise<void>;
    send(data: string | IsomorphicBuffer): Promise<void>;
    private readonly messageListeners;
    off<const TEvent extends AllEventKeys<SocketAdapterAkalaEventMap>>(event: TEvent, handler: EventListener<AllEvents<SocketAdapterAkalaEventMap>[TEvent]>): boolean;
    on<const TEvent extends AllEventKeys<SocketAdapterAkalaEventMap>>(event: TEvent, handler: EventListener<AllEvents<SocketAdapterAkalaEventMap>[TEvent]>, options?: EventOptions<AllEvents<SocketAdapterAkalaEventMap>[TEvent]>): Subscription;
    once<const TEvent extends AllEventKeys<SocketAdapterAkalaEventMap>>(event: TEvent, handler: EventListener<AllEvents<SocketAdapterAkalaEventMap>[TEvent]>): Subscription;
}