import React from 'react'; import { InjectedProps } from '@material/react-ripple'; export interface ThumbUnderlayProps extends InjectedProps, React.HTMLProps { rippleActivator: React.RefObject; initRipple: (surface: HTMLDivElement, activator?: HTMLInputElement) => void; } export declare class ThumbUnderlay extends React.Component { static defaultProps: Partial; init: (el: HTMLDivElement) => void; readonly classes: string; render(): JSX.Element; } declare const _default: React.ComponentType & import("../ripple").RippledComponentProps>; export default _default;