export default class ProgressBar {
    private maxLength;
    private startMs;
    private cur;
    private end;
    private info;
    private readonly width;
    private frameIndex;
    private readonly frames;
    private readonly unicodeFrames;
    private readonly colorEnabled;
    constructor(end?: number);
    reset(): void;
    setEnd(end: number): void;
    setInfo(info: string | null): void;
    setState(cur: number, info?: string | null): void;
    done(): void;
    private renderLine;
    private update;
}