type PromiseSnapFunctionParam<T> = () => Promise<T>;
export type PromiseSnapParam<T> = Promise<T> | PromiseSnapFunctionParam<T>;
/**
 * use with React.useState:
 *
 * const [sus, setSus] = React.useState<T>(new PromiseSnap(Promise.resolve({} as T)))
 *
 */
export declare class PromiseSnap<T> {
    constructor(promise: PromiseSnapParam<T>);
    private promise;
    private error;
    private result;
    private status;
    snap(): T;
}
export declare function usePromiseSnapMemo<T>(param: PromiseSnapParam<T>, deps?: any[]): PromiseSnap<T>;
export {};