import { CSS3DObject } from "../jsm/renderers/CSS3DRenderer.js";
import * as THREE from 'three';
import type { IPanel2Data, IPanel2DOM, IPanel2TemplateDOM, IPanel2Line } from './types';
export declare class Panel2 extends CSS3DObject {
    readonly type = "Panel2";
    protected line?: THREE.Line;
    private scaleRatio;
    initShow: boolean;
    switchVisible: boolean;
    constructor(panelData: IPanel2Data);
    static createDOM(domData: IPanel2DOM): HTMLElement;
    updateContent(content: string): void;
    static createTemplateDOM(domData: IPanel2TemplateDOM): {
        dom: HTMLDivElement;
        contentDom: HTMLDivElement;
    };
    createLine(lineData?: IPanel2Line): void;
}