import React, { Key } from 'react';
import { PureComponent } from '../../utils/component';
import DatumTree, { KeygenParams } from '../../utils/Datum/Tree';
import { UpdateEvent, ITreeProps } from './type';
import Directory from './Directory';
interface TreeState {
    active: React.Key;
}
declare class Tree<T = any> extends PureComponent<ITreeProps<T>, TreeState> {
    nodes: Map<React.Key, UpdateEvent>;
    lists: Map<React.Key, UpdateEvent>;
    datum: DatumTree;
    static displayName: string;
    static Directory: typeof Directory;
    static defaultProps: {
        data: any[];
        nodeContentTextTag: string;
        line: boolean;
        defaultExpanded: any[];
        defaultValue: any[];
        mode: number;
        childrenKey: string;
        dragImageStyle: {};
        childrenClass(): void;
        leafClass(): void;
    };
    get active(): React.Key;
    constructor(props: any);
    componentDidUpdate(prevProps: ITreeProps): void;
    keygen: ({ data, index, parentKey }: KeygenParams) => any;
    bindNode: (id: Key, update: UpdateEvent) => {
        active: boolean;
    };
    unbindNode: (id: Key) => void;
    bindList: (id: Key, update: UpdateEvent) => {
        expanded: boolean;
    };
    unbindList: (id: Key) => void;
    handleActive: (activeKey?: React.Key) => void;
    handleExpanded: (expanded: any) => void;
    handleNodeClick: (node: any, id: Key) => void;
    handleToggle: (id: Key) => void;
    handleDrop: (id: Key, targetId: Key, position: number) => void;
    render(): JSX.Element;
}
export default Tree;