import * as React from "react";
import DropdownItem from "./DropdownItem";
import GroupItem from "./GroupItem";
import { ConfigConsumerProps } from "../Config";
interface IDropdownProps {
    /**
     * 触发菜单打开事件
     *
     * @default "hover"
     **/
    trigger?: "hover" | "click";
    /**
     * 自定义样式名称
     *
     * @default "has-border"
     **/
    className?: string;
    /**
     * 按钮文案
     *
     * @default "点击下拉"
     **/
    buttonText?: React.ReactNode;
    /**
     * 是否选中更新按钮文案
     *
     * @default false
     **/
    updateButtonText?: boolean;
    /**
     * 触发菜单打开事件
     *
     * @default true
     **/
    hideOnClick?: boolean;
    /**
     * 点击菜单项 触发回调
     *
     * @default  () => null
     **/
    onItemSelect?: (...args: any[]) => void;
    /**
     *  子内容
     *
     **/
    children: React.ReactNode | React.ReactNode[];
    /**
     * 默认前缀
     *
     * @default "lg"
     **/
    prefixCls?: string;
    /**
     * 是否不可用
     *
     * @default false
     **/
    disabled?: boolean;
    /**
     * 默认当前选中索引
     *
     * @default -1
     **/
    defaultIndex?: number;
    /**
     * 自定义样式
     *
     * @default
     **/
    style?: React.CSSProperties;
    /**
     * 触发对象可为按钮、文字、icon 可选：“button“，”text“,"icon"
     *
     * @default "button"
     **/
    type?: string;
    /**
     * 是否分组
     *
     * @default false
     **/
    hasGroup?: boolean;
    /**
     * 是否多层级
     *
     * @default false
     **/
    multiLevel?: boolean;
}
interface IDropdownState {
    visible: boolean;
    currIndex: string;
    buttonText: string;
}
declare class Dropdown extends React.PureComponent<IDropdownProps, IDropdownState> {
    static Item: typeof DropdownItem;
    static GroupItem: typeof GroupItem;
    static defaultProps: {
        trigger: string;
        buttonText: string;
        hideOnClick: boolean;
        className: string;
        onItemSelect: () => null;
        disabled: boolean;
        defaultIndex: number;
        style: {};
        type: string;
        hasGroup: boolean;
        multiLevel: boolean;
        updateButtonText: boolean;
    };
    private container;
    constructor(props: any);
    componentDidMount(): void;
    componentWillUnmount(): void;
    componentWillReceiveProps(nextProps: any): void;
    /**
     * 获取容器绑定 clickoutside
     * @param ref
     */
    getContainer(ref: any): void;
    /**
     * hover 触发显示 下拉列表
     */
    showItems(): void;
    /**
     * hover 触发隐藏 下拉列表
     */
    hideItems(): void;
    /**
     * 打开下拉菜单
     */
    handleClick(): void;
    /**
     * click 触发点击其他区域隐藏 下拉列表
     */
    handleClickOutside(e: any): void;
    /**
     * 选中下拉选项后执行函数
     * @param clickItemProps 选中下拉项组件 props
     */
    handleDropdownItemClick(clickItemProps: any, e: any): void;
    renderChildren: (children: any) => any;
    renderGroup: () => JSX.Element | null;
    renderList(prefixCls: any): JSX.Element | null;
    renderDropdown: ({ getPrefixCls }: ConfigConsumerProps) => JSX.Element;
    render(): JSX.Element;
}
export default Dropdown;