export declare class KeyValueCache<T, U> {
    private readonly cacheItems;
    getEntries(): IterableIterator<[T, U]>;
    getOrCreate<TCreate extends U>(key: T, createFunc: () => TCreate): TCreate;
    get(key: T): U | undefined;
    set(key: T, value: U): void;
    replaceKey(key: T, newKey: T): void;
    removeByKey(key: T): void;
}