/// <reference types="react" />
import { BackgroundColorProps } from 'styled-system';
declare const sizes: {
    small: {
        height: number;
    };
    medium: {
        height: number;
    };
    large: {
        height: number;
    };
};
export declare type ProgressBarProps = {
    size?: keyof typeof sizes;
};
export declare const ProgressBar: {
    ({ size, ...props }: ProgressBarProps): JSX.Element;
    Item({ percentage, ...props }: ProgressBarItemProps): JSX.Element;
};
export declare type ProgressBarItemProps = BackgroundColorProps & {
    percentage: number;
};
export {};