import { IObject, TypeExtends } from '@newgrand/udp-core';
import React, { ReactNode } from 'react';
import { TreeProps } from './tree';
interface AsyncTreeProps extends TreeProps {
    /**
     * @description       过滤或定位输入框对应的placeholder
     */
    placeholder?: string;
    /**
     * @description       是否显示树节点过滤
     * @default           true
     */
    showFilter?: boolean | ((defaultNode: ReactNode) => ReactNode);
    /**
     * @description       是否显示树节点定位，优先级高于showFilter，selectable为true时有效
     * @default           false
     */
    showLocate?: boolean | ((defaultNode: ReactNode) => ReactNode);
    /**
     * @description       过滤属性，{includeChildren: true} 表示包含下级节点
     */
    filterOptions?: {
        includeChildren?: boolean;
    };
    /**
     * @description       是否启用懒加载
     * @default           false
     */
    lazyLoad?: boolean;
    /**
     * @description       选中树节点时触发
     */
    onSelectedChange?: (keys: Array<any>, nodes: Array<any>, type: 'checked' | 'selected') => void;
    /**
     * @description       树节点渲染完成触发
     */
    onLoad?: (...args: any[]) => void;
    /**
     * @description       发起节点数据的请求
     */
    request: (...args: any[]) => Promise<any>;
    /**
     * @description       树节点数据加载完成后触发
     */
    dataLoad?: (nodes: Array<object>, extraParams?: object) => Array<object>;
    /**
     * @description       重写节点的属性
     */
    convertNode?: (data: object, levelIndex: {
        level: number;
        index: number;
    }) => IObject & {
        isSelected?: boolean;
        isChecked?: boolean;
        key: string;
        title: ReactNode;
        expanded?: boolean;
    };
    /**
     * @description       request 注入的参数
     */
    params?: IObject | Function;
    /**
     * @description       默认选中状态是否触发状态更新事件
     * @default           false
     */
    defaultChange?: boolean;
    /**
     * @description       查询完成回调
     */
    onSearch?: (searchValue: string, nodes: any[]) => void;
}
export type IAsyncTreeProps = TypeExtends<AsyncTreeProps, {
    titleRender?: (node: any, oldRender: Function) => ReactNode;
}>;
/**
 * 导出异步树控件
 */
export declare const AsyncTree: React.ForwardRefExoticComponent<Omit<Omit<AsyncTreeProps, "titleRender"> & {
    titleRender?: ((node: any, oldRender: Function) => ReactNode) | undefined;
} & {
    id?: string | undefined;
}, "outRef"> & React.RefAttributes<{
    [x: string]: any;
    getApi(): any;
}>>;
export {};