@Override
 // @ApiMethod(name = "contractor.delete", httpMethod = "post")
 public List<ContractorInfo> deleteContractor(AgentInfo agentInfo, ContractorInfo contractorInfo)
     throws IllegalArgumentException {
   ObjectifyService.begin();
   return contractorManager.deleteContractor(agentInfo, contractorInfo);
 }
 @Override
 // @ApiMethod(name = "contractor.save", httpMethod = "post")
 public List<ContractorInfo> saveContractor(
     AgentInfo agentInfo,
     ContractorInfo contractorInfo,
     @Named("mode") ContractorInfo.SaveMode mode)
     throws IllegalArgumentException {
   ObjectifyService.begin();
   return contractorManager.saveContractor(agentInfo, contractorInfo, mode);
 }