/**
 * Here we declare a user interface which defines
 * the types for each field inside of the interface.
 */
export interface UserInterface {
  firstName: string
  lastName: string
  age: number
  email: EmailInterface[]
}

/**
 * Here we have a method which accepts the interface we defined above.
 * Attempting to pass this method anything other than an object conforming
 * to the UserInterface will cause a compiler error.
 *
 * You can also see the return value for this method will be a Promise containing
 * the created user which is of type UserModel.
 */
public static createUser(userData: UserInterface): Bluebird<UserModel> {
  return User.create(userData).then((createdUser: UserModel) => {
    return createdUser
  })
}