import { AgentEventStream } from '@agent-tars/core';
import { StorageProvider, SessionMetadata } from './types';
/**
 * SQLite-based storage provider using Node.js native SQLite
 * Provides high-performance, file-based storage using the built-in SQLite module
 * Optimized for handling large amounts of event data
 */
export declare class SQLiteStorageProvider implements StorageProvider {
    private db;
    private initialized;
    readonly dbPath: string;
    constructor(storagePath?: string);
    initialize(): Promise<void>;
    createSession(metadata: SessionMetadata): Promise<SessionMetadata>;
    updateSessionMetadata(sessionId: string, metadata: Partial<Omit<SessionMetadata, 'id'>>): Promise<SessionMetadata>;
    getSessionMetadata(sessionId: string): Promise<SessionMetadata | null>;
    getAllSessions(): Promise<SessionMetadata[]>;
    deleteSession(sessionId: string): Promise<boolean>;
    saveEvent(sessionId: string, event: AgentEventStream.Event): Promise<void>;
    getSessionEvents(sessionId: string): Promise<AgentEventStream.Event[]>;
    close(): Promise<void>;
    private ensureInitialized;
}
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