/// <reference types="react" />
import * as PropTypes from 'prop-types';
import AbstractFormComponent from '../Form/AbstractFormComponent';
import { RadioGroupProps } from './Props';
/**
 * @author 田尘殇Sean(sean.snow@live.com) create at 2018/3/2
 */
export declare class RadioGroup extends AbstractFormComponent<RadioGroupProps, any> {
    static childContextTypes: {
        onChange: PropTypes.Requireable<(...args: any[]) => any>;
        labelPosition: PropTypes.Requireable<string>;
        checked: PropTypes.Requireable<any>;
    };
    static defaultProps: {
        labelPosition: string;
    };
    state: any;
    constructor(props: any);
    getChildContext(): {
        onChange: (checked: any) => void;
        labelPosition: "left" | "right";
        checked: any;
    };
    componentWillReceiveProps({ checked }: {
        checked: any;
    }): void;
    handleChange(checked: any): void;
    getValue(): any;
    isValid(): boolean;
    render(): JSX.Element;
}