import { BufferGeometry, Curve, Mesh, Vector3 } from 'three' export class RollerCoasterGeometry extends BufferGeometry { constructor(curve: Curve, divisions: number) } export class RollerCoasterLiftersGeometry extends BufferGeometry { constructor(curve: Curve, divisions: number) } export class RollerCoasterShadowGeometry extends BufferGeometry { constructor(curve: Curve, divisions: number) } export class SkyGeometry extends BufferGeometry { constructor(curve: Curve, divisions: number) } export class TreesGeometry extends BufferGeometry { constructor(landscape: Mesh) }