/// <reference types="node" />
import { Transform, TransformCallback } from 'stream';
import { ProgressMessage } from '../types';
export declare const messageToString: (message: ProgressMessage) => string;
export declare class LogConsumerProgressTransform extends Transform {
    private verbose;
    private progressBar?;
    private progress;
    constructor(verbose?: boolean);
    _flush(callback: TransformCallback): void;
    _transform(message: ProgressMessage, encoding: string, callback: TransformCallback): void;
}