/**
 * Simple in-memory cache with TTL (Time To Live) support
 * Used to cache API responses and reduce redundant calls
 */
type CacheKey = string;
/**
 * Get a value from cache if it exists and hasn't expired
 * @param key - The cache key
 * @param ttlMs - Optional TTL in milliseconds (defaults to 60 seconds)
 * @returns The cached value or undefined if not found/expired
 */
export declare function getCache<T>(key: CacheKey, ttlMs?: number): T | undefined;
/**
 * Set a value in the cache with timestamp
 * @param key - The cache key
 * @param value - The value to cache
 * @returns The cached value
 */
export declare function setCache<T>(key: CacheKey, value: T): T;
/**
 * Clear a specific cache entry
 * @param key - The cache key to clear
 */
export declare function clearCache(key: CacheKey): boolean;
/**
 * Clear all cache entries
 */
export declare function clearAllCache(): void;
/**
 * Get the size of the cache
 * @returns Number of entries in the cache
 */
export declare function getCacheSize(): number;
/**
 * Clean up expired cache entries
 * @param ttlMs - TTL to check against (defaults to 60 seconds)
 */
export declare function cleanupExpiredCache(ttlMs?: number): number;
/**
 * Generate a cache key for field options
 * @param solutionId - The solution ID
 * @param tableId - The table ID
 * @param suffix - Optional suffix for the key
 * @returns A formatted cache key
 */
export declare function generateFieldsCacheKey(solutionId: string, tableId: string, suffix?: string): string;
export {};