cal.pub0.org/packages/app-store/next.d.ts

import type { IncomingMessage } from "http";
import type { Session } from "next-auth";

import "./next-auth";

export declare module "next" {
  interface NextApiRequest extends IncomingMessage {
    // args is defined by /integrations/[...args] endpoint
    query: Partial<{ [key: string]: string | string[] }> & { args: string[] };
    session?: Session | null;
  }
}