interface Session {
    id: string;
    projectPath: string;
    projectName: string;
    totalFileChanges: number;
    sessionStartTime: string;
    sessionEndTime: string | null;
    lastPrompt?: string;
    lastPromptTime?: string;
    createdAt: string;
    updatedAt: string;
}
interface ProjectStats {
    id: string;
    projectPath: string;
    projectName: string;
    totalSessions: number;
    totalCheckpoints: number;
    totalFileChanges: number;
    lastSessionTime: Date;
    firstSessionTime: Date;
    createdAt: Date;
    updatedAt: Date;
}
interface StatsResponse {
    projects: ProjectStats[];
    totalSessions: number;
    totalCheckpoints: number;
    hasActiveSession: boolean;
}
export declare class CheckpointManager {
    private db;
    private currentSession;
    private logger;
    constructor();
    private getDatabasePath;
    private getAppDataDirectory;
    private initializeDatabase;
    handleClaudeEvent(eventType: string, data: any): Promise<any>;
    private handleUserPromptSubmit;
    private handleStop;
    private handleNotification;
    private createCheckpoint;
    private generateCheckpointMessage;
    private getActiveSession;
    getProjectStats(): Promise<StatsResponse>;
    getCurrentSession(): Session | null;
    getCheckpoints(projectPath: string): Promise<any[]>;
    getCheckpointById(checkpointId: string): Promise<any>;
    getProjectIndexStats(projectPath: string): Promise<any>;
    resetProjectIndex(projectPath?: string): Promise<void>;
    forceFullScan(projectPath: string): Promise<void>;
    restoreCheckpoint(checkpointId: string): Promise<any>;
    diffCheckpoints(currentId: string, previousId: string): Promise<any>;
    private generateSimpleDiff;
    deleteCheckpoint(checkpointId: string): Promise<void>;
    deleteProjectCheckpoints(projectPath: string): Promise<any>;
    clearAllCheckpoints(): Promise<any>;
    close(): Promise<void>;
}
export {};