type LazyResolver<T> = T | Promise<T> | (() => (T | Promise<T>));
export declare class LazyObject<T> {
    constructor(factory: LazyResolver<T>);
    static from<T>(value: Lazy<T>): LazyObject<T>;
    get resolved(): boolean;
    get value(): T;
    private _factory;
    private _resolved;
    private _resolvedValue;
    private _resolvingPromise;
    resolve(): Promise<T>;
    private _resolvedHandlers;
    onResolve(callback: (value: T) => void): void;
}
export type Lazy<T> = LazyObject<T> | LazyResolver<T>;
export {};