import * as THREE from 'three';
import { ContextManager } from '@zcomponent/core';
declare class BillboardMaterial extends THREE.ShaderMaterial {
    constructor(textureUrl: string);
    updateCameraProperties(fov: number, aspect: number): void;
}
/**
 * A simple helper that renders a texture as a plane that always faces the camera.
 * The planes position changes with its parent, but its rotation and scale always remains the same.
 *
 * @example
 * ```ts
 * const iconPath = new URL("../assets/icon.png", import.meta.url).href;
 * const iconHelper = new IconHelper(contextManager, iconPath);
 * this.element.add(iconHelper);
 * ```
 *
 */
export declare class IconHelper extends THREE.Mesh<THREE.PlaneGeometry, BillboardMaterial> {
    private contextManager;
    constructor(contextManager: ContextManager, textureUrl: string);
    private update;
    dispose(): void;
}
export {};