export declare class ProgressBar {
    private total;
    private options;
    private bar;
    private timer;
    private startTime;
    private lastRenderTime;
    private renderThrottleMs;
    private spinner;
    private spinnerIdx;
    constructor(total: number, options?: {
        showPercent?: boolean;
        showCount?: boolean;
        showElapsed?: boolean;
        showSpinner?: boolean;
        width?: number;
        barChar?: string;
        emptyChar?: string;
    });
    start(): void;
    update(current: number): void;
    private render;
    complete(message?: string): void;
}