interface MetaJson {
    lastCommit: string;
    indexedAt: string;
    repoPath: string;
    stats?: Record<string, number>;
}
/** Read .gitnexus/meta.json, returns null if missing or malformed */
export declare function readMeta(repoPath: string): MetaJson | null;
/** Check if index exists */
export declare function hasIndex(repoPath: string): boolean;
/** Check if index is stale (HEAD moved since last analyze) */
export declare function isStale(repoPath: string): boolean;
/** Count commits behind HEAD */
export declare function commitsBehind(repoPath: string): number;
export {};