/**
 * SQLite-based Project Store
 *
 * Stores project metadata and configuration in SQLite for:
 * - Zero external dependencies
 * - Automatic disk persistence
 * - ACID transactions
 *
 * Shares the same SQLite database as the vector store for efficiency.
 */
import { IProjectStore, Project } from '../interfaces';
export declare class SQLiteProjectStore implements IProjectStore {
    private dataDir;
    private flushIntervalSeconds;
    private db;
    private isDirty;
    private flushTimer;
    constructor(dataDir: string, flushIntervalSeconds?: number);
    private initializeSchema;
    private startFlushTimer;
    upsert(project: Omit<Project, 'createdAt' | 'updatedAt'>): Promise<Project>;
    findByPath(projectPath: string): Promise<Project | null>;
    findById(id: string): Promise<Project | null>;
    list(): Promise<Project[]>;
    delete(id: string): Promise<boolean>;
    flush(): Promise<void>;
    close(): Promise<void>;
}
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