import { EventEmitter } from 'events';
export interface ProgressMetrics {
    totalFiles: number;
    processedFiles: number;
    validFiles: number;
    invalidFiles: number;
    uploadedFiles: number;
    skippedFiles: number;
    errorCount: number;
    warningCount: number;
    filesPerSecond: number;
    uploadsPerSecond: number;
    validationRate: number;
    elapsedTime: number;
    estimatedTimeRemaining: number;
    estimatedCompletion: Date;
    currentPhase: ProcessingPhase;
    phaseProgress: number;
    validationQueueSize: number;
    uploadQueueSize: number;
    transactionQueueSize: number;
    memoryUsage: number;
    cpuUsage: number;
}
export declare enum ProcessingPhase {
    INITIALIZATION = "initialization",
    SCANNING = "scanning",
    VALIDATION = "validation",
    PROCESSING = "processing",
    UPLOADING = "uploading",
    DOWNLOADING = "downloading",// Added new phase
    SUBMITTING = "submitting",
    COMPLETED = "completed",
    ERROR = "error"
}
export declare class ProgressTracker extends EventEmitter {
    private startTime;
    private phaseStartTime;
    private lastUpdateTime;
    private metrics;
    private updateInterval;
    private progressBar;
    private history;
    private readonly historySize;
    private readonly updateFrequency;
    private readonly enableProgressBar;
    constructor(totalFiles: number, updateFrequency?: number, enableProgressBar?: boolean);
    start(): void;
    stop(): void;
    private update;
    private calculateRates;
    private calculateEstimates;
    private updateResourceUsage;
    setPhase(phase: ProcessingPhase, progress?: number): void;
    incrementProcessed(count?: number): void;
    incrementValid(count?: number): void;
    incrementInvalid(count?: number): void;
    incrementUploaded(count?: number): void;
    incrementSkipped(count?: number): void;
    incrementErrors(count?: number): void;
    incrementWarnings(count?: number): void;
    updateQueues(validation: number, upload: number, transaction: number): void;
    getMetrics(): Readonly<ProgressMetrics>;
    formatTime(milliseconds: number): string;
    getProgressPercentage(): number;
    getSummary(): string;
    reset(totalFiles: number): void;
}
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