import { CSS2DObject } from "../jsm/renderers/CSS2DRenderer.js";
import * as THREE from 'three';
import type { IPanelData, IPanelDOM, IPanelTemplateDOM, IPanelLine } from './types';
export declare class Panel extends CSS2DObject {
    readonly type = "Panel";
    protected line?: THREE.Line;
    initShow: boolean;
    switchVisible: boolean;
    constructor(panelData: IPanelData);
    static createDOM(domData: IPanelDOM): HTMLElement;
    updateContent(content: string): void;
    static createTemplateDOM(domData: IPanelTemplateDOM): {
        dom: HTMLDivElement;
        contentDom: HTMLDivElement;
    };
    createLine(lineData?: IPanelLine): void;
}