/// <reference types="node" />
import { ReadableOptions } from 'stream';
import { JsonStream } from './jsonStream';
import { Replacer } from './jsonStreamOptions';
export declare class Collector extends JsonStream {
    json: string | Promise<string>;
    constructor(value: any, replacer?: Replacer, space?: string | number, opt?: ReadableOptions);
    toJson(): Promise<string>;
    toObject(): Promise<any>;
}