code: public BoxRequestsUser.GetEnterpriseUsers getEnterpriseUsersRequest() {
          BoxRequestsUser.GetEnterpriseUsers request = new BoxRequestsUser.GetEnterpriseUsers(getUsersUrl(), mSession);
          return request;
      }
docs: Gets a request that gets all the users of an enterprise
  The session provided must be associated with an enterprise admin user
  
  @return request to get all users of an enterprise