import { AWCStreamChannel, AWCStreamChannelState } from "./wallet_rpc.js";
export declare class AWCWebsocketStreamChannel implements AWCStreamChannel<string> {
    private url;
    private websocket;
    constructor(url: string);
    connect(): Promise<void>;
    close(): Promise<void>;
    send(data: string): Promise<void>;
    private _onReceive;
    get onReceive(): ((data: string) => Promise<void>) | null;
    set onReceive(onReceive: ((data: string) => Promise<void>) | null);
    private _onReady;
    get onReady(): (() => Promise<void>) | null;
    set onReady(onReady: (() => Promise<void>) | null);
    private _onClose;
    get onClose(): ((reason: string) => Promise<void>) | null;
    set onClose(onClose: ((reason: string) => Promise<void>) | null);
    get state(): AWCStreamChannelState;
}