import { TT$ } from '@upradata/util';
import { ReadableStream, Stream } from '../types';
import { ConcatOptionsType } from './stream.concat.options';
import { PipeStreamGenerator } from './types';
export declare class ConcatStreams {
    stream: Stream;
    private lastStream$;
    constructor(stream: TT$<ReadableStream>);
    private buildStream;
    concat(options: ConcatOptionsType): this;
    pipe(streamGenerator: PipeStreamGenerator): this;
    get $(): Promise<Stream>;
    done<S extends Stream>(): Promise<S>;
}
export declare const concatStreams: (stream: TT$<ReadableStream>) => ConcatStreams;