/**
 * Response Cache Module
 *
 * Simple TTL-based cache for Telegram API responses.
 * Reduces API calls for data that rarely changes.
 */
/**
 * TTL configuration for cacheable methods (in milliseconds)
 */
export declare const CACHE_TTL: Record<string, number>;
/**
 * Check if a method is cacheable
 */
export declare function isCacheable(method: string): boolean;
/**
 * Get cached response if available and not expired
 */
export declare function getCached<T = unknown>(method: string, params: Record<string, unknown>): T | null;
/**
 * Store response in cache
 */
export declare function setCache<T = unknown>(method: string, params: Record<string, unknown>, data: T, ttlMs?: number): void;
/**
 * Clear all cached entries
 */
export declare function clearCache(): void;
/**
 * Clear cached entries for a specific method
 */
export declare function clearCacheForMethod(method: string): void;
/**
 * Get cache statistics
 */
export declare function getCacheStats(): {
    size: number;
    methods: Record<string, number>;
};
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