export interface CacheEntry<T = unknown> {
    key: string;
    value: T;
    ttl: number;
    createdAt: number;
    accessCount: number;
    lastAccessed: number;
    tags?: string[];
    metadata?: Record<string, unknown>;
}
export interface CacheStats {
    hits: number;
    misses: number;
    hitRate: number;
    totalKeys: number;
    totalMemory: number;
    avgAccessTime: number;
    evictions: number;
}
export interface CacheConfig {
    maxSize: number;
    maxMemory: number;
    ttl: number;
    evictionPolicy: 'lru' | 'lfu' | 'ttl' | 'random';
    compressionEnabled: boolean;
    persistToDisk: boolean;
}
export type CacheOperation = 'get' | 'set' | 'delete' | 'clear' | 'exists';
export interface CacheMetrics {
    operation: CacheOperation;
    key: string;
    hit: boolean;
    latency: number;
    size?: number;
    timestamp: number;
}
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