Property 'oauthRequestToken' does not exist on type 'Session & Partial<SessionData>'.ts code example

Example: Property 'userId' does not exist on type 'Session & Partial'.ts(2339)

//After updating express-session, it changes from sessionData to session.
//so you'll have to merge declarations


declare module "express-session" {
  interface Session {
    user: string;
  }
}