// interface ProcessEnv {
//   readonly PORT: number;
//   readonly MONGO_URI: string;
//   readonly JWT_SECRET: string;
//   readonly JWT_ACCESS_EXP: string;
//   readonly JWT_REFRESH_EXP: string;
// }

declare namespace NodeJS {
  interface ProcessEnv {
    readonly PORT: number;
    readonly MONGO_URI: string;
    readonly JWT_SECRET: string;
    readonly JWT_ACCESS_EXP: string;
    readonly JWT_REFRESH_EXP: string;
    // add more environment variables and their types here
  }
}