import { FileProgress, QueuedFile, TaskProgress, TaskReportInfo, TaskStatus } from './types';
/**
 * Progress Tracker
 * Tracks upload progress of tasks and files
 */
export declare class ProgressTracker {
    private taskId;
    private taskName;
    private files;
    private orderedFiles;
    private startTime;
    private speedHistory;
    private speedHistoryHead;
    private baseDir;
    private expectedTotalFiles;
    private aggregate;
    private preCollectedPaths;
    constructor(taskId: number, baseDir: string);
    setTaskName(taskName: string): void;
    /**
     * Set expected total file count (for lazy initialization)
     */
    setExpectedTotalFiles(count: number): void;
    /**
     * Pre-collect file path for early reporting (before full initialization)
     * This allows reportConnectionInfo to work even before files are fully initialized
     */
    preCollectFilePath(relativePath: string, requestId: number): void;
    /**
     * Get full directory path
     */
    private getFullDir;
    /**
     * Extract first level directory or file name
     * Example: folder/subfolder/file.txt -> folder
     *          file.txt -> file.txt
     */
    private extractFirstLevel;
    /**
     * Initialize file
     */
    initFile(file: QueuedFile): void;
    /**
     * Update file progress
     */
    updateFile(requestId: number, update: Partial<FileProgress>): void;
    /**
     * Calculate task progress
     */
    calculateProgress(currentTaskStatus?: TaskStatus): TaskProgress;
    /**
     * Calculate task report info (for internal reporting)
     * Works with both initialized files and pre-collected paths
     */
    calculateReportInfo(): TaskReportInfo;
    /**
     * Calculate speed (moving average)
     */
    private calculateSpeed;
    /**
     * Pause speed calculation (preserve history, stop calculating)
     */
    pauseSpeed(): void;
    /**
     * Resume speed calculation (continue from current state)
     */
    resumeSpeed(): void;
    /**
     * Get file progress
     */
    getFile(requestId: number): FileProgress | undefined;
    /**
     * Get all files
     */
    getAllFiles(): FileProgress[];
    /**
     * Reset progress
     */
    reset(): void;
    private getFileContribution;
    private applyContributionDelta;
}