import { ConnectionMessage, IWebsocketMessageFormatter, RawWebsocketMessage } from "../common/Exports.js";
export declare class WebsocketMessageFormatter implements IWebsocketMessageFormatter {
    toConnectionMessage(message: RawWebsocketMessage): Promise<ConnectionMessage>;
    fromConnectionMessage(message: ConnectionMessage): Promise<RawWebsocketMessage>;
    private makeHeaders;
    private parseHeaders;
    private stringToArrayBuffer;
}