three.js/examples/jsm/interactive/SelectionBox.d.ts

import {
  Camera,
  Frustum,
  Mesh,
  Object3D,
  Scene,
  Vector3
} from '../../../src/Three';

export class SelectionBox  {
  constructor(camera: Camera, scene: Scene, deep?: number);
  camera: Camera;
  collection: Mesh[];
  deep: number;
  endPoint: Vector3;
  scene: Scene;
  startPoint: Vector3;

  select(startPoint: Vector3, endPoint: Vector3): Mesh[];
  updateFrustum(startPoint: Vector3, endPoint: Vector3): void;
  searchChildInFrustum(frustum: Frustum, object: Object3D): void;
}