/// <reference types="node" />
import * as stream from "stream";
import { IAsyncReader } from "./IAsyncReader.js";
/**
 * Read binary data from a Readable with simple async methods
 */
export declare class AsyncReader extends IAsyncReader {
    readable: stream.Readable;
    listener: Function;
    position: number;
    atEnd: boolean;
    constructor(readable: stream.Readable);
    isAtEnd(): boolean;
    getPosition(): number;
    /**
     * is called when data is ready to be read
     */
    _readableCallback(): void;
    /**
     * is called when end of stream is reached
     */
    _endCallback(): void;
    /** Closes the stream, after which no further reading is allowed */
    close(): Promise<void>;
    /** Returns a string containing len bytes
     * @param len Number of bytes to read
     */
    read(len: any): Promise<Buffer>;
}