/// <reference types="node" />
import { Reader } from '../reader';
import { Writer } from '../writer';
export interface Options {
    sync?: boolean;
    chunkSize?: number | (() => number);
}
export declare class BufferWriter extends Writer<Buffer> {
    chunks: Buffer[];
    constructor(options: Options);
    toBuffer(): Buffer;
    get result(): Buffer;
}
export declare function reader(buffer: Buffer, options?: Options | number): Reader<Buffer>;
export declare function writer(options?: Options): BufferWriter;