import { f as IStorageBackend, I as InteractionLog, c as Feedback, e as FeedbackStats, o as ExportFormat } from './ZeroDBStorage-BrocsToA.js';
import './common.d-iR60eBef.js';

/**
 * Local File Storage Backend
 *
 * Storage backend implementation using local filesystem for RLHF logging
 */

interface LocalStorageConfig {
    dataDir: string;
    compress?: boolean;
    maxFileSize?: number;
    rotateFiles?: boolean;
}
/**
 * Local file storage backend implementation
 */
declare class LocalStorage implements IStorageBackend {
    private config;
    private interactionsFile;
    private feedbackFile;
    private initialized;
    private currentFileSize;
    private fileRotationIndex;
    constructor(config: LocalStorageConfig);
    initialize(): Promise<void>;
    storeInteraction(interaction: InteractionLog): Promise<void>;
    storeFeedback(feedback: Feedback): Promise<void>;
    storeInteractionsBatch(interactions: InteractionLog[]): Promise<void>;
    storeFeedbackBatch(feedback: Feedback[]): Promise<void>;
    getInteraction(id: string): Promise<InteractionLog | null>;
    getFeedback(id: string): Promise<Feedback | null>;
    getFeedbackForInteraction(interactionId: string): Promise<Feedback[]>;
    getInteractions(startTime: Date, endTime: Date, limit?: number): Promise<InteractionLog[]>;
    getFeedbackInRange(startTime: Date, endTime: Date, limit?: number): Promise<Feedback[]>;
    calculateStats(startTime?: Date, endTime?: Date): Promise<FeedbackStats>;
    exportData(format: ExportFormat, startTime?: Date, endTime?: Date): Promise<string | Buffer>;
    close(): Promise<void>;
    /**
     * Append data to file
     */
    private appendToFile;
    /**
     * Read file and parse JSONL
     */
    private readFile;
    /**
     * Rotate file when max size reached
     */
    private rotateFile;
    /**
     * Compress file using gzip
     */
    private compressFile;
    /**
     * Compute statistics from feedback and interactions
     */
    private computeStats;
    /**
     * Convert feedback to CSV format
     */
    private convertToCSV;
}

export { LocalStorage as L, type LocalStorageConfig as a };