import React from 'react';
import PropTypes from 'prop-types';
import { ComponentProps } from '../utils/types';
interface MessageBarPropsBase {
    /**
     * Text is required and should be concise.
     */
    children: React.ReactNode;
    /**
     * A React ref which is set to the DOM element when the component mounts and null when it unmounts.
     */
    elementRef?: React.Ref<HTMLDivElement>;
    /**
     * Includes a close button. Always consider including a close button.
     */
    onRequestClose?: React.MouseEventHandler<HTMLButtonElement | HTMLAnchorElement>;
    /**
     * Sets the severity of this `MessageBar`.
     * */
    type: 'info' | 'warning' | 'error' | 'success';
}
type MessageBarProps = ComponentProps<MessageBarPropsBase, 'div'>;
declare function MessageBar({ children, elementRef, onRequestClose, type, ...otherProps }: MessageBarProps): React.JSX.Element;
declare namespace MessageBar {
    var propTypes: {
        children: PropTypes.Validator<NonNullable<PropTypes.ReactNodeLike>>;
        onRequestClose: PropTypes.Requireable<(...args: any[]) => any>;
        type: PropTypes.Validator<string>;
    };
}
export default MessageBar;
export type { MessageBarPropsBase };