import { ProgressEvent } from './types.js';
export interface ProgressTrackerConfig {
    readonly totalRows: number;
    readonly emitInterval?: number;
    readonly onProgress?: (event: ProgressEvent) => void | Promise<void>;
}
export declare class ProgressTracker {
    private readonly totalRows;
    private readonly emitInterval;
    private readonly onProgress?;
    private processedRows;
    private successfulRows;
    private failedRows;
    private processingTimes;
    private lastEmitTime;
    private totalTokens;
    constructor(config: ProgressTrackerConfig);
    /**
     * Start tracking progress
     */
    start(): void;
    /**
     * Record a successful evaluation
     */
    recordSuccess(durationMs: number, tokensUsed?: number): void;
    /**
     * Record a failed evaluation
     */
    recordFailure(durationMs: number): void;
    /**
     * Record a retry attempt
     */
    recordRetry(error: string, retryCount: number): void;
    /**
     * Mark completion
     */
    complete(): void;
    /**
     * Pause tracking
     */
    pause(): void;
    /**
     * Resume tracking
     */
    resume(): void;
    /**
     * Skip rows (for resuming from a specific index)
     * This marks rows as processed without actually processing them
     */
    skipRows(count: number): void;
    /**
     * Emit if interval has passed
     */
    private maybeEmit;
    /**
     * Emit progress event
     */
    private emit;
    /**
     * Get current progress without emitting
     */
    getCurrentProgress(): ProgressEvent;
}
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