import Radio from "./radio.ff";
import type { PerseusRadioUserInput, PerseusRadioWidgetOptions } from "@khanacademy/perseus-core";
declare function getStartUserInput(): PerseusRadioUserInput;
declare function getCorrectUserInput(options: PerseusRadioWidgetOptions): PerseusRadioUserInput;
declare const _default: {
    name: string;
    displayName: string;
    widget: typeof Radio;
    getStartUserInput: typeof getStartUserInput;
    getCorrectUserInput: typeof getCorrectUserInput;
    version: import("@khanacademy/perseus-core").Version | undefined;
    isLintable: true;
    /**
     * @deprecated - do not use in new code.
     */
    getUserInputFromSerializedState: (serializedState: any) => PerseusRadioUserInput;
};
export default _default;
