/**
 * Reconnect snapshot — persists active session thread IDs to disk before
 * server shutdown so the next server instance can skip the full memory
 * briefing for threads that were mid-session when the restart occurred.
 *
 * The snapshot is valid for 10 minutes.  After that it is either deleted
 * by the auto-cleanup timer or ignored (too old) by isReconnectCandidate.
 */
/**
 * Write the set of active thread IDs to the reconnect snapshot file.
 * Called just before the server process exits.
 */
export declare function writeReconnectSnapshot(threadIds: number[]): void;
/**
 * Returns true if the given thread ID was active in the previous server
 * instance AND the snapshot is less than 10 minutes old.
 *
 * Consume-on-use: the thread ID is removed from the snapshot after a
 * successful match so that each thread can only lightweight-reconnect
 * **once** per MCP restart.  This prevents a fresh agent process (crash,
 * keeper restart, compaction) from falsely matching within the 10-min window.
 */
export declare function isReconnectCandidate(threadId: number): boolean;
/**
 * Delete the reconnect snapshot file.
 * Called 10 minutes after server start so stale snapshots don't persist
 * across multiple restarts.
 */
export declare function clearReconnectSnapshot(): void;
//# sourceMappingURL=reconnect-snapshot.service.d.ts.map