/// <reference types="vtxf-renderer/dist-node/xr-cesium/__declares/__cesium" />
/// <reference types="vtxf-xe2/dist-node/xe2-cesium-objects/__declares/__cesium" />
import * as Cesium from 'cesium';
export declare function isPointUnderGround(p: [number, number, number], scene: Cesium.Scene): boolean | undefined;
export declare function computeCutPoint(p1: [number, number, number], p2: [number, number, number], scene: Cesium.Scene): [number, number, number] | undefined;