import { CacheImpl } from "./cache-impl";
export declare namespace Analytics {
    const createInstance: <K>() => KeyHistory<K>;
    interface KeyHistory<K> {
        update(key: K): void;
        purge(key: K): void;
        findLRUKey<K, V>(cache: CacheImpl<K, V>): K;
        findLFUKey(): K;
    }
    class Insight {
        accessCount: number;
        insertionTime: number;
        lastAccessTime: number;
    }
}