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

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

export class PlaneBufferGeometry extends BufferGeometry {
  constructor(
    width?: number,
    height?: number,
    widthSegments?: number,
    heightSegments?: number
  );

  parameters: {
    width: number;
    height: number;
    widthSegments: number;
    heightSegments: number;
  };
}

export class PlaneGeometry extends Geometry {
  constructor(
    width?: number,
    height?: number,
    widthSegments?: number,
    heightSegments?: number
  );

  parameters: {
    width: number;
    height: number;
    widthSegments: number;
    heightSegments: number;
  };
}