import { Mesh, Plane, Vector4, Matrix4, MeshBasicMaterial, BufferGeometry } from 'three'

export class ShadowMesh extends Mesh<BufferGeometry, MeshBasicMaterial> {
  readonly isShadowMesh: true
  meshMatrix: Matrix4

  constructor(mesh: Mesh)

  update(plane: Plane, lightPosition4D: Vector4): void
}