export interface SessionEntry {
    id: string;
    repo: string;
    startTime: string;
    endTime?: string;
    duration?: number;
}
export declare function startSession(repo: string): SessionEntry;
export declare function endSession(repo: string, sessionId: string): void;
export declare function getRecentSessions(limit?: number): SessionEntry[];
export declare function getSessionStats(): {
    totalSessions: number;
    totalMinutes: number;
    byRepo: Record<string, number>;
};