/**
 * Cache manager implementation with multi-layer caching and LRU eviction
 */
import "reflect-metadata";
import type { ICacheManager } from "./interfaces.js";
export declare class MultiLayerCacheManager implements ICacheManager {
    private memoryCache;
    private hitCount;
    private missCount;
    private maxSize;
    constructor(maxSize?: number);
    get<T>(key: string): Promise<T | null>;
    set<T>(key: string, data: T, ttl?: number): Promise<void>;
    delete(key: string): Promise<void>;
    clear(): Promise<void>;
    has(key: string): Promise<boolean>;
    getStats(): Promise<{
        size: number;
        hitRate: number;
        missRate: number;
        maxSize: number;
        evictions?: number;
    }>;
    /**
     * Check if cache entry is still valid
     */
    private isValid;
    /**
     * Get entry from disk cache
     */
    private getFromDisk;
    /**
     * Set entry to disk cache
     */
    private setToDisk;
    /**
     * Delete entry from disk cache
     */
    private deleteFromDisk;
    /**
     * Encode key for filesystem use
     */
    private encodeKey;
}
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