import React from 'react';
import BreadcrumbItem from './BreadcrumbItem';
import { BreadcrumbProps, BreadcrumbState } from './iBreadcrumb';
export declare const defaultProps: {
    separator: string;
    fillSpace: boolean;
};
declare class Breadcrumb extends React.Component<BreadcrumbProps, BreadcrumbState> {
    static Item: typeof BreadcrumbItem;
    allChildNodesWidth: number;
    childNodesWidthArr: number[];
    overflowIndex: number[];
    myRef: HTMLOListElement | null;
    constructor(props: BreadcrumbProps);
    componentDidMount(): void;
    componentWillReceiveProps(nextProps: BreadcrumbProps): void;
    componentDidUpdate(prevProps: BreadcrumbProps): void;
    componentWillUnmount(): void;
    setWidthByfillSpace: (flag: any) => void;
    /**
     * 根据面包屑节点和展示宽度计算overflowIndex
     * @params
     * maxWidth 面包屑可展示最大宽度
     * flag 是否重新计算节点宽度(当面包屑孩子节点发生变化为true)
    */
    getAllChildNodesWidth: (maxWidth: number, flag?: boolean) => void;
    renderChilren: () => JSX.Element[] | null;
    render(): JSX.Element;
}
export default Breadcrumb;