public InvoicesApi(HarvestApiSettings settings)
     : base(settings)
 {
 }
 public ClientsApi(HarvestApiSettings settings)
     : base(settings)
 {
 }
 public AccountApi(HarvestApiSettings settings)
     : base(settings)
 {
 }
 public TimeTrackingApi(HarvestApiSettings settings)
     : base(settings)
 {
 }