import { CacheOptions } from './types';
export declare class SearchCache {
    private cache;
    private options;
    private cleanupTimer?;
    constructor(options: CacheOptions);
    get<T>(key: string): T | null;
    set<T>(key: string, value: T, ttl?: number): void;
    has(key: string): boolean;
    delete(key: string): boolean;
    clear(): void;
    size(): number;
    getStats(): {
        size: number;
        maxSize: number;
        hitRate: number;
        entries: Array<{
            key: string;
            accessCount: number;
            lastAccessed: number;
            age: number;
        }>;
    };
    private evictOldest;
    private startCleanupTimer;
    private cleanup;
    destroy(): void;
    static generateKey(prefix: string, params: Record<string, any>): string;
    static generateQueryKey(query: string, filters?: Record<string, any>): string;
    static generateGraphKey(startNode: string, traversalType: string, options?: Record<string, any>): string;
}
//# sourceMappingURL=Cache.d.ts.map