import React, { PureComponent } from 'react';
declare type BarPosition = 'top' | 'bottom';
interface BarTheme {
    readonly 'bar': string;
    readonly 'bar--top': string;
    readonly 'bar--bottom': string;
}
export interface BarProps {
    /**
     * This prop controls the vertical positioning of the Bar.
     */
    readonly position: BarPosition;
    /**
     * An optional css theme to be injected.
     */
    readonly theme?: BarTheme;
    /**
     * An optional `className` to attach to the wrapper.
     */
    readonly className?: string;
    /**
     * The contents to be rendered within the `Bar`.
     */
    readonly children: React.ReactNode;
}
declare class Bar extends PureComponent<BarProps> {
    render(): JSX.Element;
}
export default Bar;