/**
 * Statistics and metadata about the current state of the PrototypeInMemoryStore.
 *
 * Provides information about cache health, configuration, and runtime state.
 */
export type PrototypeInMemoryStats = {
    /** Number of prototypes currently stored in the cache. */
    readonly size: number;
    /** Timestamp when the snapshot was last cached, or null if never cached. */
    readonly cachedAt: Date | null;
    /** Whether the cached snapshot has exceeded its TTL. */
    readonly isExpired: boolean;
    /** Remaining time in milliseconds until expiration. 0 if expired or no data cached. */
    readonly remainingTtlMs: number;
    /** Exact size of the cached snapshot in bytes (JSON serialized). */
    readonly dataSizeBytes: number;
    /** Whether a background refresh operation is currently in progress. */
    readonly refreshInFlight: boolean;
};
//# sourceMappingURL=stats.types.d.ts.map