export declare class ProgressIndicator {
    private spinner;
    private startTime;
    start(message?: string): void;
    update(message: string): void;
    success(message?: string): void;
    fail(message?: string): void;
    warn(message?: string): void;
    stop(): void;
    showMessage(message: string): void;
    isRunning(): boolean;
    private getDuration;
}
export declare const progress: ProgressIndicator;
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