import { Threshold } from '@thermopylae/core.declarations';
import { BaseLFUEvictionPolicy, EvictableCacheEntry } from './lfu-base';
import { CacheBackendElementsCount } from '../../contracts/cache-backend';
/**
 * [Least Frequently Used with Dynamic Aging](https://en.wikipedia.org/wiki/Cache_replacement_policies#LFU_with_dynamic_aging_(LFUDA) "LFU with dynamic aging (LFUDA)") eviction policy.
 *
 * @template Key				Type of the key.
 * @template Value				Type of the value.
 * @template ArgumentsBundle	Type of the arguments bundle.
 */
declare class LFUDAEvictionPolicy<Key, Value, ArgumentsBundle> extends BaseLFUEvictionPolicy<Key, Value, ArgumentsBundle> {
    private cacheAge;
    /**
     * @param cacheMaxCapacity				{@link Cache} maximum capacity.
     * @param cacheBackendElementsCount		Cache backend elements count.
     */
    constructor(cacheMaxCapacity: Threshold, cacheBackendElementsCount: CacheBackendElementsCount);
    /**
     * @inheritDoc
     */
    protected get initialFrequency(): number;
    /**
     * @inheritDoc
     */
    protected computeEntryFrequency(_entry: EvictableCacheEntry<Key, Value>, entryScore: number): number;
    /**
     * @inheritDoc
     */
    protected onEvict(frequencyOfTheEvictedEntry: number): void;
}
export { LFUDAEvictionPolicy };