server/node_modules/@jimp/plugin-flip/index.d.ts

import { ImageCallback } from "@jimp/core";

interface Flip {
  flip(horizontal: boolean, vertical: boolean, cb?: ImageCallback<this>): this;
  mirror(
    horizontal: boolean,
    vertical: boolean,
    cb?: ImageCallback<this>
  ): this;
}

export default function (): Flip;