import * as React from 'react';
import * as typings from './header.type';
import './header.scss';
export default class Header extends React.Component<typings.PropsDefine, typings.StateDefine> {
    static defaultProps: typings.PropsDefine;
    state: typings.StateDefine;
    componentWillMount(): void;
    componentWillUnmount(): void;
    /**
     * 点击保存按钮
     */
    handleSave(): boolean;
    /**
     * 点击预览按钮
     */
    handlePreview(): void;
    /**
     * 回撤
     */
    undo(): boolean;
    /**
     * 重做
     */
    redo(): boolean;
    /**
     * 复制
     */
    copy(): boolean;
    /**
     * 粘贴
     */
    paste(): boolean;
    /**
     * 修改视图大小
     */
    handleChangeViewportWidth(width: number): void;
    handleChangeViewportWidthByRange(event: any): void;
    render(): JSX.Element;
}