/**
* In-memory cache with TTL support
*/
export interface CacheStats {
size: number;
hits: number;
misses: number;
hitRate: number;
}
export declare const CacheTTL: {
readonly SEARCH_RESULTS: number;
readonly RESTAURANT_DETAILS: number;
readonly AVAILABILITY: number;
readonly PLATFORM_HEALTH: number;
};
export declare class CacheService {
private cache;
private hits;
private misses;
private cleanupInterval;
constructor();
/**
* Get a value from the cache
*/
get<T>(key: string): T | null;
/**
* Set a value in the cache with TTL
*/
set<T>(key: string, value: T, ttl: number): void;
/**
* Check if a key exists and is not expired
*/
has(key: string): boolean;
/**
* Delete a specific key
*/
delete(key: string): boolean;
/**
* Invalidate cache entries matching a pattern
* Pattern supports * as wildcard
*/
invalidate(pattern: string): number;
/**
* Clear all cache entries
*/
clear(): void;
/**
* Get cache statistics
*/
stats(): CacheStats;
/**
* Clean up expired entries
*/
private cleanup;
/**
* Stop the cleanup interval (for graceful shutdown)
*/
destroy(): void;
}
export declare const CacheKeys: {
search(queryHash: string): string;
details(platform: string, id: string | number): string;
availability(platform: string, id: string | number, date: string, partySize: number): string;
health(platform: string): string;
};
/**
* Generate a hash for search queries
*/
export declare function hashSearchQuery(query: string, location: string, cuisine?: string): string;
export declare const cache: CacheService;
