Resolved code review issues by @liangshiw

framework/src/Volo.Abp.Ddd.Application.Contracts/Volo/Abp/Application/Services/ICreateAppService.cs

@@ -1,7 +1,4 @@
-using System;
+using System.Threading.Tasks;
-using System.Collections.Generic;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Volo.Abp.Application.Services
 {

framework/src/Volo.Abp.Ddd.Application.Contracts/Volo/Abp/Application/Services/ICreateUpdateAppService.cs

@@ -1,8 +1,4 @@
-using System;
+namespace Volo.Abp.Application.Services
-using System.Collections.Generic;
-using System.Text;
-
-namespace Volo.Abp.Application.Services
 {
     public interface ICreateUpdateAppService<TEntityDto, in TKey>
         : ICreateUpdateAppService<TEntityDto, TKey, TEntityDto, TEntityDto>
@@ -18,8 +14,7 @@ namespace Volo.Abp.Application.Services
 
     public interface ICreateUpdateAppService<TGetOutputDto, in TKey, in TCreateUpdateInput, in TUpdateInput>
         : ICreateAppService<TGetOutputDto, TCreateUpdateInput>,
-            IUpdateAppService<TGetOutputDto, TKey, TUpdateInput>,
+            IUpdateAppService<TGetOutputDto, TKey, TUpdateInput>
-            IApplicationService
     {
 
     }

framework/src/Volo.Abp.Ddd.Application.Contracts/Volo/Abp/Application/Services/ICrudAppService.cs

@@ -1,5 +1,3 @@
-using System.Threading.Tasks;
-
 using Volo.Abp.Application.Dtos;
 
 namespace Volo.Abp.Application.Services
@@ -31,8 +29,7 @@ namespace Volo.Abp.Application.Services
     public interface ICrudAppService<TGetOutputDto, TGetListOutputDto, in TKey, in TGetListInput, in TCreateInput, in TUpdateInput>
         : IReadOnlyAppService<TGetOutputDto, TGetListOutputDto, TKey, TGetListInput>,
             ICreateUpdateAppService<TGetOutputDto, TKey, TCreateInput, TUpdateInput>,
-            IDeleteAppService<TKey>,
+            IDeleteAppService<TKey>
-            IApplicationService
     {
 
     }

framework/src/Volo.Abp.Ddd.Application.Contracts/Volo/Abp/Application/Services/IDeleteAppService.cs

@@ -1,7 +1,4 @@
-using System;
+using System.Threading.Tasks;
-using System.Collections.Generic;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Volo.Abp.Application.Services
 {

framework/src/Volo.Abp.Ddd.Application.Contracts/Volo/Abp/Application/Services/IReadOnlyAppService.cs

@@ -1,7 +1,4 @@
-using System;
+using System.Threading.Tasks;
-using System.Collections.Generic;
-using System.Text;
-using System.Threading.Tasks;
 
 using Volo.Abp.Application.Dtos;
 
@@ -20,6 +17,7 @@ namespace Volo.Abp.Application.Services
     }
 
     public interface IReadOnlyAppService<TGetOutputDto, TGetListOutputDto, in TKey, in TGetListInput>
+        : IApplicationService
     {
         Task<TGetOutputDto> GetAsync(TKey id);
 

framework/src/Volo.Abp.Ddd.Application.Contracts/Volo/Abp/Application/Services/IUpdateAppService.cs

@@ -1,7 +1,4 @@
-using System;
+using System.Threading.Tasks;
-using System.Collections.Generic;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Volo.Abp.Application.Services
 {