/// <reference types="node" />
import { Duplex, Readable, ReadableOptions, Writable, WritableOptions } from 'readable-stream';
export declare type Class<T = {}> = new (...args: any[]) => T;
export interface MemReaderOptions extends ReadableOptions {
}
export interface MemWriterOptions extends WritableOptions {
}
export interface MemReadable {
    it?: Iterator<any>;
}
export interface MemWritable {
    readonly queue: any[] | Buffer[];
    readonly data: any[] | Buffer;
    forward<T extends MemReader>(destination: T, options?: {
        end?: boolean;
    }): T;
}
export interface MemReader extends Readable, MemReadable {
}
export interface MemWriter extends Writable, MemWritable {
}
export interface MemDuplex extends Duplex, MemReadable, MemWritable {
}