node_modules/three/src/extras/curves/ArcCurve.d.ts

import { EllipseCurve } from './EllipseCurve';
export class ArcCurve extends EllipseCurve {
  constructor(
    aX: number,
    aY: number,
    aRadius: number,
    aStartAngle: number,
    aEndAngle: number,
    aClockwise: boolean
  );
}