import { Undefinable } from "./Types";
/**
 * Lazy wrapper for a factory.
 */
export default class Lazy<T> {
    #private;
    /**
     * Create a new Lazy object that invokes the factory when
     * `value` is called for the first time.
     *
     * By default, if the factory returns `undefined`, the value of
     * `isValueCreated` will not be true. To alter this set
     * `waitForValue` to false.
     */
    constructor(factory: () => T, waitForValue?: boolean);
    /**
     * Get or create the value.
     */
    get value(): Undefinable<T>;
    /**
     * Returns `true` if the value has been created.
     */
    get isValueCreated(): boolean;
}