import React from "react";
import type { BaseProps } from "./index";
import type { ControlledFormValue } from "../../internal/type";
export interface Props<Enum extends string | boolean | number> extends BaseProps<Enum>, ControlledFormValue<Enum | null> {
    nullText?: React.ReactElement | string | number | null;
    nullPositionIndex?: number;
}
export declare const Nullable: <Enum extends string | boolean | number>(props: Props<Enum>) => React.JSX.Element;