three.js/src/objects/LineSegments.d.ts

import { Geometry } from './../core/Geometry';
import { Material } from './../materials/Material';
import { Line } from './Line';
import { BufferGeometry } from '../core/BufferGeometry';

/**
 * @deprecated
 */
export const LineStrip: number;
/**
 * @deprecated
 */
export const LinePieces: number;

export class LineSegments extends Line {
  constructor(
    geometry?: Geometry | BufferGeometry,
    material?: Material | Material[],
    mode?: number
  );

  type: "LineSegments";
  isLineSegments: true;
}