How to await on the Resource's promise?

const fetchUser = async (userId: string) => {
  const [users] = useUsers(); // users is built with createResource
  await users.???; // how to await the underlying promise?
  return users().find(({ id }) => id === userId);
};

const fetchUser = async (userId: string) => {
  const [users] = useUsers(); // users is built with createResource
  await users.???; // how to await the underlying promise?
  return users().find(({ id }) => id === userId);
};