code: public Member registerAndEnroll(RegistrationRequest registrationRequest) throws RegistrationException, EnrollmentException {
          Member member = getMember(registrationRequest.getEnrollmentID());
          member.registerAndEnroll(registrationRequest);
          return member;
      }
docs: Register and enroll a user or other member type.
  This assumes that a registrar with sufficient privileges has been set.
  @param registrationRequest Registration information.
  @throws RegistrationException
  @throws EnrollmentException