import * as React from "react";
import { AnchorContext } from "./AnchorContext";
import { ConfigConsumerProps } from "../Config";
export declare type AnchorContainer = HTMLElement | Window;
interface IAnchorProps {
    /**
     * 默认前缀
     *
     * @default "lg"
     **/
    prefixCls?: string;
    /**
     * 自定义组件类名
     *
     * @default ""
     **/
    className?: string;
    /**
     * 组件子内容
     *
     *
     **/
    children: React.ReactNode;
    /**
     * 自定义组件样式
     *
     * @default
     **/
    style?: React.CSSProperties;
    /**
     * 距离窗口顶部达到指定偏移量后触发 fixed
     *
     * @default 0
     **/
    offsetTop?: number;
    /**
     * 距离窗口底部达到指定偏移量后触发 fiexed
     *
     * @default
     **/
    offsetBottom?: number;
    /**
     * 锚点区域边界
     *
     * @default 5
     **/
    bounds?: number;
    /**
     * 是否fixed
     *
     * @default true
     **/
    affix?: boolean;
    /**
     * 指定滚动的容器
     *
     * @default  () => HTMLElement
     **/
    getContainer?: () => AnchorContainer;
    /**
     *  点击时的回调
     *
     * @default (e,link) =>void
     **/
    onClick?: (e: React.MouseEvent<HTMLElement>, link: {
        title: React.ReactNode;
        href: string;
    }) => void;
    /**
     *  展示样式 'horizontal', 'vertical'
     *
     * @default "vertical"
     **/
    type?: string;
}
interface IAnchorState {
    activeLink: null | string;
}
declare class Anchor extends React.PureComponent<IAnchorProps, IAnchorState> {
    inkNode: HTMLSpanElement;
    links: string[];
    animating: boolean;
    scrollEvent: any;
    private scrollContainer;
    childContextTypes: {
        anchorContext: AnchorContext;
    };
    static Link: any;
    static defaultProps: {
        affix: boolean;
        getContainer: () => Window & typeof globalThis;
        className: string;
        offsetTop: number;
        bounds: number;
        type: string;
    };
    constructor(props: IAnchorProps);
    getContext(): {
        anchorContext: AnchorContext;
    };
    componentDidMount(): void;
    componentWillUnmount(): void;
    componentDidUpdate(): void;
    handleScrollTo(link: string): void;
    handleScroll(): void;
    getCurrentAnchor(offsetTop?: number, bounds?: number): string;
    saveInkNode(node: HTMLSpanElement): void;
    renderAnchor(prefixCls: any): JSX.Element;
    renderAnchorWrap: ({ getPrefixCls }: ConfigConsumerProps) => JSX.Element;
    render(): JSX.Element;
}
export default Anchor;