Definir forma de un objeto con JSDOC

jsdocObjects.js

/**
* @see in https://stackoverflow.com/a/6460748
* @param user Information about User
* @param user.firstName The first name of user
* @param user.lastName the last name of user
**/
const logIn = userInfo => {
  doLogIn(userInfo.name, userInfo.email);
}