import { Analytics } from "./analytics";
import { Cache, ComputeValueForKeyAsyncFn, ComputeValueForKeyFn, EvictionPolicy } from "./externals";
export declare class CacheImpl<K, V> implements Cache<K, V> {
    readonly name: string;
    readonly maxSize: number;
    readonly evictionPolicy: EvictionPolicy;
    readonly _map: Map<K, V>;
    readonly analytics: Analytics.KeyHistory<K>;
    constructor(name: string, maxSize: number, evictionPolicy: EvictionPolicy);
    clear: () => void;
    get: (arg: K) => V | undefined;
    getAndComputeIfAbsent: (arg: K, keyNotFoundFn: ComputeValueForKeyFn<K, V>) => V;
    getAndComputeIfAbsentAsync: (arg: K, keyNotFoundAsyncFn: ComputeValueForKeyAsyncFn<K, V>) => Promise<V>;
    cleanUp: () => void;
    put: (arg: K, value: V) => void;
    contains: (arg: K) => boolean;
    /** Getter that returns the size. */
    get size(): number;
}