import React from "react"; type Option = { label: React.ReactNode | string; value: string | number | null; className?: string; }; interface RadioButtonGroupProps { value?: string | number | null; onChange?: (value: string | number | null) => void; defaultValue?: string | number | null; options: Option[]; containerClassName?: string; renderOption?: (params: { state: string | number | null; option: Option; key: string; onChange?: (value: string | number | null) => void; }) => React.ReactNode; } export declare const RadioButtonGroup: React.FC; export {};