import { EventEmitter } from 'events';
export interface ProgressUpdate {
    phase: string;
    current: number;
    total: number;
    percentage: number;
    eta?: string;
    message?: string;
    startTime: number;
    elapsed: number;
    rate?: number;
}
export interface ProgressPhase {
    name: string;
    weight: number;
    current: number;
    total: number;
    started: boolean;
}
export declare class ProgressTracker extends EventEmitter {
    private phases;
    private startTime;
    private currentPhase?;
    private totalWeight;
    constructor();
    addPhase(name: string, total: number, weight?: number): void;
    startPhase(phaseName: string): void;
    updateProgress(phaseName: string, current: number, message?: string): void;
    incrementProgress(phaseName: string, increment?: number, message?: string): void;
    private emitProgress;
    private calculateOverallProgress;
    private formatETA;
    getProgress(phaseName?: string): ProgressUpdate | null;
    complete(phaseName?: string): void;
    reset(): void;
    renderProgressBar(phaseName: string, width?: number): string;
    private getPhaseEmoji;
    getConsoleStatus(): string[];
    private estimateOverallETA;
    private formatElapsed;
}
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