/**
 * Rich formatting utilities for progress display
 */
import type { StageProgress } from './multi-stage-progress.js';
export declare class ProgressFormatter {
    /**
     * Format a stage with box-drawing
     */
    formatStageBox(stage: StageProgress): string;
    /**
     * Add box header with title
     */
    private addBoxHeader;
    /**
     * Add progress bar line for running stages
     */
    private addProgressBarLine;
    /**
     * Add metadata message line
     */
    private addMetadataLine;
    /**
     * Add items processed line
     */
    private addItemsLine;
    /**
     * Add ETA line for running stages
     */
    private addETALine;
    /**
     * Add error message line for failed stages
     */
    private addErrorLine;
    /**
     * Add box footer
     */
    private addBoxFooter;
    /**
     * Format a progress bar
     */
    formatProgressBar(current: number, total: number): string;
    /**
     * Format ETA (estimated time remaining)
     */
    formatETA(milliseconds: number): string;
    /**
     * Format overall summary footer
     */
    formatOverallSummary(stages: StageProgress[], estimatedTimeRemaining?: number): string;
    /**
     * Format a simple progress line (for non-rich mode)
     */
    formatSimpleProgress(stageName: string, progress: number): string;
    /**
     * Format spinner with message (for simple mode)
     */
    formatSpinnerMessage(frame: string, message: string): string;
    /**
     * Get status icon for stage
     */
    private getStatusIcon;
    /**
     * Estimate ETA for a single stage
     */
    private estimateStageETA;
}
export declare function getProgressFormatter(): ProgressFormatter;
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