import { Awaitable } from '../Types';
import { IAsyncCacheItem, IExpiryPolicyDelegate } from './_types';
export default class AsyncCacheItem<T> implements IAsyncCacheItem {
    #private;
    constructor(promiseOrValueOrFactory: Awaitable<T> | (() => Awaitable<T>), expiryPolicy: IExpiryPolicyDelegate<T>);
    getValueAsync<T1 = T>(): Promise<T1>;
}