export interface ProgressOptions {
    currentStep?: number;
    totalSteps?: number;
    showSpeed?: boolean;
    showETA?: boolean;
    showBytes?: boolean;
}
export declare class EnhancedProgress {
    private static startTime;
    private static lastBytes;
    private static lastUpdate;
    /**
     * Format progress with percentage and optional extras
     */
    static format(current: number, total: number, options?: ProgressOptions): string;
    /**
     * Create visual progress bar
     */
    static createProgressBar(percentage: number, width?: number): string;
    /**
     * Track download progress with speed and ETA
     */
    static trackDownload(bytesReceived: number, totalBytes: number, options?: {
        step?: number;
        totalSteps?: number;
    }): string;
    /**
     * Reset download tracking (call before new download)
     */
    static resetDownload(): void;
    /**
     * Format ETA in human readable form
     */
    private static formatETA;
    /**
     * Create spinner for long operations
     */
    static spinner(frame: number, text: string): string;
    /**
     * Format operation status
     */
    static status(status: 'pending' | 'running' | 'success' | 'error', text: string): string;
    /**
     * Show step progress
     */
    static step(current: number, total: number, description: string): string;
    /**
     * Create info box for current operation
     */
    static operationBox(data: {
        operation: string;
        status: string;
        details?: string[];
        progress?: number;
    }): void;
    /**
     * Show live activity feed
     */
    static activity(message: string, icon?: string): void;
    /**
     * Show comparison (before/after)
     */
    static comparison(label: string, before: string, after: string): string;
}
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