node_modules/three/src/geometries/ParametricGeometry.d.ts

import { Vector3 } from './../math/Vector3';
import { Geometry } from './../core/Geometry';
import { BufferGeometry } from './../core/BufferGeometry';

export class ParametricBufferGeometry extends BufferGeometry {
  constructor(
    func: (u: number, v: number, dest: Vector3) => void,
    slices: number,
    stacks: number
  );

  parameters: {
    func: (u: number, v: number, dest: Vector3) => void;
    slices: number;
    stacks: number;
  };
}

export class ParametricGeometry extends Geometry {
  constructor(
    func: (u: number, v: number, dest: Vector3) => void,
    slices: number,
    stacks: number
  );

  parameters: {
    func: (u: number, v: number, dest: Vector3) => void;
    slices: number;
    stacks: number;
  };
}