import * as React from 'react'; interface ProgressbarProps { slot?: string; id?: string | number; className?: string; style?: React.CSSProperties; progress ?: number; infinite ?: boolean; ref?: React.MutableRefObject<{el: HTMLElement | null; set: (progress: number, duration: number) => void}>; children?: React.ReactNode; } declare const Progressbar: React.FunctionComponent; export default Progressbar;