export interface IDuplexStream {
    read(): any;
    write(chunk: any, callback?: (error?: Error | null) => void): boolean;
    on(event: string, listener: (...args: any[]) => void): this;
    once(event: string, listener: (...args: any[]) => void): this;
    end(callback?: () => void): void;
    destroy(error?: Error): void;
}
export interface IReadableStreamOptions {
    highWaterMark?: number;
}
export interface IWritableStreamOptions {
    highWaterMark?: number;
}
export declare function convertDuplexToWebStream(duplex: IDuplexStream): {
    readable: ReadableStream;
    writable: WritableStream;
};