import React from 'react';
import { BoxOwnProps } from './Box';
import type { Assign, ForwardRef } from './types';
export interface ProgressProps extends Assign<React.ComponentPropsWithRef<'progress'>, BoxOwnProps> {
}
/**
 * Horizontal `<progress />` bar
 * @see https://theme-ui.com/components/progress/
 */
export declare const Progress: ForwardRef<HTMLProgressElement, ProgressProps>;