import React from 'react';
export default class IconButton extends React.Component<any, any> {
    static defaultProps: {
        prefixCls: string;
        size: string;
    };
    constructor(props: any);
    btnSize: (btnSize: number, type: string) => Object;
    textSize: (btnSize: number, type: string, iconType: string) => React.ReactText;
    contentSize: (btnText: string, type: string, btnSize: number) => string;
    render(): JSX.Element;
}