Set<Object> classes = new HashSet<Object>();
ThirdPartyRegistrationService thirdPartyService = new ThirdPartyRegistrationService();
thirdPartyService.setDataProvider(manager);
RequestTokenService rts = new RequestTokenService();
rts.setDataProvider(manager);
AccessTokenService ats = new AccessTokenService();
ats.setDataProvider(manager);
classes.add(thirdPartyService);