public RSAssistantRole(IRSUnitOfWork iRSUnitOfWork)
 {
     this.iRSUnitOfWork = iRSUnitOfWork ?? throw new System.ArgumentNullException(nameof(iRSUnitOfWork));
 }
 public Assistant(IRSUnitOfWork iRSUnitOfWork) //: base (iRSUnitOfWork)
 {
     this.iRSUnitOfWork = iRSUnitOfWork ?? throw new System.ArgumentNullException(nameof(iRSUnitOfWork));
 }