import React from 'react';
import type { AlertProps } from './iAlert';
declare class Alert extends React.Component<AlertProps> {
    componentWillUnmount(): void;
    /**
     * 渲染右上角关闭alert按钮
     */
    renderDismissButton: (onDismiss: AlertProps['onDismiss'], props: AlertProps) => JSX.Element;
    /**
     * 只有 message和description都没有的时候才会去渲染children
     * @returns string
     */
    renderCurrentChildren: () => JSX.Element;
    renderActions: () => JSX.Element | null;
    render(): JSX.Element;
}
export default Alert;