/**
 * Multi-stage progress tracking for long-running operations
 */
export interface ProgressHistory {
    averageDuration: number;
    completions: number;
    stage: string;
}
export interface StageMetadata {
    itemsProcessed?: number;
    message?: string;
    totalItems?: number;
}
export interface StageProgress {
    endTime?: number;
    error?: string;
    metadata?: StageMetadata;
    name: string;
    progress: number;
    startTime?: number;
    status: 'completed' | 'failed' | 'pending' | 'running';
}
export declare class MultiStageProgressTracker {
    private history;
    private stages;
    /**
     * Register a stage (optional, will be auto-registered on start)
     */
    registerStage(name: string): void;
    /**
     * Start a stage
     */
    startStage(name: string, metadata?: StageMetadata): void;
    /**
     * Update stage progress
     */
    updateStage(name: string, progress: number, message?: string): void;
    /**
     * Complete a stage successfully
     */
    completeStage(name: string): void;
    /**
     * Mark a stage as failed
     */
    failStage(name: string, error: string): void;
    /**
     * Get overall progress across all stages (0-100)
     */
    getOverallProgress(): number;
    /**
     * Get estimated time remaining in milliseconds
     */
    getEstimatedTimeRemaining(): number;
    /**
     * Get all stages
     */
    getStages(): StageProgress[];
    /**
     * Get a specific stage
     */
    getStage(name: string): StageProgress | undefined;
    /**
     * Get count of stages by status
     */
    getStageCount(status?: StageProgress['status']): number;
    /**
     * Clear all stages
     */
    clear(): void;
    /**
     * Update history for a stage
     */
    private updateHistory;
}
export declare function getProgressTracker(): MultiStageProgressTracker;
export declare function setProgressTracker(tracker: MultiStageProgressTracker): void;
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