node_modules/three/src/lights/PointLight.d.ts

import { Color } from './../math/Color';
import { Light } from './Light';
import { PerspectiveCamera } from './../cameras/PerspectiveCamera';
import { LightShadow } from './LightShadow';

export class PointLightShadow extends LightShadow {
  camera: PerspectiveCamera;
}

/**
 * Affects objects using {@link MeshLambertMaterial} or {@link MeshPhongMaterial}.
 *
 * @example
 * var light = new THREE.PointLight( 0xff0000, 1, 100 );
 * light.position.set( 50, 50, 50 );
 * scene.add( light );
 */
export class PointLight extends Light {
  constructor(
    color?: Color | string | number,
    intensity?: number,
    distance?: number,
    decay?: number
  );

  /*
   * Light's intensity.
   * Default - 1.0.
   */
  intensity: number;

  /**
   * If non-zero, light will attenuate linearly from maximum intensity at light position down to zero at distance.
   * Default — 0.0.
   */
  distance: number;

  decay: number;
  shadow: PointLightShadow;
  power: number;
}