import * as React from 'react';
import * as typings from './components.type';
export default class Components extends React.Component<typings.PropsDefine, typings.StateDefine> {
    static defaultProps: typings.PropsDefine;
    state: typings.StateDefine;
    private dragContainerInstance;
    private dragContainerDomInstance;
    private lastDragStartIndex;
    componentDidMount(): void;
    /**
     * 获得第 n 个子元素的 uniqueKey
     */
    getUniqueKeyByIndex(index: number): string;
    /**
     * 设置元素对象
     */
    setDragContainerInstance(ref: React.ReactInstance): void;
    /**
     * 选中了一个类型
     */
    handleChangeSelectedType(type: string): void;
    /**
     * 生成组件类型选择按钮组
     */
    renderSwitchButtonGroup(): JSX.Element[];
    /**
     * 渲染拖拽组件
     */
    renderDragComponents(): JSX.Element[];
    render(): JSX.Element;
}