Use implicit <Using feature in Directory.Build.props to remove thousands of lines of boilerplate code

Directory.Build.props

@@ -49,7 +49,7 @@
     <!-- hard binding to net8, no property and env variable allowed-->
     <TargetFrameworks>net8.0</TargetFrameworks>
   </PropertyGroup>
-  
+
   <!-- Debug-NET7, Release-NET7 are mostly for development convenience -->
   <PropertyGroup Condition = "$(Configuration.Contains('NET7')) == 'true'">
     <!-- hard binding to net7, no property and env variable allowed-->
@@ -127,6 +127,14 @@
     <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Using Include="System" />
+    <Using Include="System.Collections.Generic" />
+    <Using Include="System.Linq" />
+    <Using Include="System.Threading" />
+    <Using Include="System.Threading.Tasks" />
+  </ItemGroup>
+
   <ItemGroup>
     <SourceRoot Include="$(SolutionDir)"/>
     <PackageReference Condition="$(DoGeneratePackage) == 'true'"

Extensions/TestCommon/AssemblyExtensions.cs

@@ -1,6 +1,4 @@
-using System;
 using System.Reflection;
-using System.Collections.Generic;
 using System.Text;
 using System.Configuration;
 

Extensions/TestCommon/Model/Bar.cs

@@ -1,4 +1,3 @@
-using System;
 using Xtensive.Orm;
 
 namespace TestCommon.Model

Extensions/TestCommon/Model/Bar2.cs

@@ -1,4 +1,3 @@
-using System;
 using Xtensive.Orm;
 
 namespace TestCommon.Model

Extensions/TestCommon/Model/LinqCompilerContainer.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Linq.Expressions;
 using Xtensive.Core;
 using Xtensive.Linq;

Extensions/TestCommon/Tests/TestConfigurationTest.cs

@@ -1,4 +1,3 @@
-using System;
 using NUnit.Framework;
 using Xtensive.Orm.Tests;
 

Extensions/Xtensive.Orm.BulkOperations.Tests/ContainsTest.cs

@@ -2,8 +2,6 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Linq;
 using NUnit.Framework;
 using Xtensive.Orm.BulkOperations.ContainsTestModel;
 using Xtensive.Orm.Configuration;

Extensions/Xtensive.Orm.BulkOperations.Tests/Extensions.cs

@@ -1,4 +1,3 @@
-using System;
 using NUnit.Framework;
 using NUnit.Framework.Constraints;
 

Extensions/Xtensive.Orm.BulkOperations.Tests/Issues/IssueJira0560_ChangeFieldWhichDefinedInAncestorClassBug.cs

@@ -4,9 +4,6 @@
 // Created by: Alexey Kulakov
 // Created:    2014.10.16
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Text;
 using NUnit.Framework;
 using Xtensive.Orm.Model;

Extensions/Xtensive.Orm.BulkOperations.Tests/Issues/IssueJira0565_IgnoringTakeMethodOnTranslation.cs

@@ -4,8 +4,6 @@
 // Created by: Alexey Kulakov
 // Created:    2015.02.06
 
-using System;
-using System.Linq;
 using NUnit.Framework;
 using TestCommon.Model;
 using Xtensive.Orm.Providers;

Extensions/Xtensive.Orm.BulkOperations.Tests/Issues/JoinedTableAsSourceForDelete.cs

@@ -1,4 +1,3 @@
-using System.Linq;
 using NUnit.Framework;
 using Xtensive.Orm.BulkOperations.Tests.Issues.WrongAliassesIssue;
 

Extensions/Xtensive.Orm.BulkOperations.Tests/Other.cs

@@ -4,10 +4,6 @@
 // Created by: Alexander Ovchinnikov
 // Created:    2012.02.29
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
 using NUnit.Framework;
 using TestCommon.Model;
 

Extensions/Xtensive.Orm.BulkOperations.Tests/ReferenceFields.cs

@@ -1,5 +1,3 @@
-using System;
-using System.Linq;
 using NUnit.Framework;
 using TestCommon.Model;
 

Extensions/Xtensive.Orm.BulkOperations.Tests/Structures.cs

@@ -1,4 +1,3 @@
-using System.Linq;
 using NUnit.Framework;
 using TestCommon.Model;
 

Extensions/Xtensive.Orm.BulkOperations/BulkExtensions.cs

@@ -2,12 +2,8 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
 using System.Diagnostics.Contracts;
-using System.Linq;
 using System.Linq.Expressions;
-using System.Threading;
-using System.Threading.Tasks;
 
 namespace Xtensive.Orm.BulkOperations
 {

Extensions/Xtensive.Orm.BulkOperations/Internals/AddValueContext.cs

@@ -1,4 +1,3 @@
-using System.Collections.Generic;
 using System.Linq.Expressions;
 using Xtensive.Linq;
 using Xtensive.Orm.Model;

Extensions/Xtensive.Orm.BulkOperations/Internals/BaseSqlVisitor.cs

@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.Linq;
 using Xtensive.Sql;
 using Xtensive.Sql.Ddl;
 using Xtensive.Sql.Dml;

Extensions/Xtensive.Orm.BulkOperations/Internals/BulkDeleteOperation.cs

@@ -2,10 +2,6 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
 using Xtensive.Orm.Linq;
 using Xtensive.Orm.Providers;
 using Xtensive.Orm.Services;

Extensions/Xtensive.Orm.BulkOperations/Internals/BulkUpdateOperation.cs

@@ -2,13 +2,8 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Linq.Expressions;
 using System.Reflection;
-using System.Threading;
-using System.Threading.Tasks;
 using Xtensive.Orm.Linq;
 using Xtensive.Orm.Providers;
 using Xtensive.Orm.Services;

Extensions/Xtensive.Orm.BulkOperations/Internals/ExpressionExtensions.cs

@@ -2,8 +2,6 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Linq;
 using System.Linq.Expressions;
 using Xtensive.Linq;
 using Xtensive.Reflection;

Extensions/Xtensive.Orm.BulkOperations/Internals/ExpressionVisitor.cs

@@ -2,8 +2,6 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq.Expressions;
 using Xtensive.Core;

Extensions/Xtensive.Orm.BulkOperations/Internals/InsertOperation.cs

@@ -2,12 +2,7 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Linq.Expressions;
-using System.Threading;
-using System.Threading.Tasks;
 using Xtensive.Orm.Linq;
 using Xtensive.Orm.Services;
 using Xtensive.Sql;

Extensions/Xtensive.Orm.BulkOperations/Internals/Operation.cs

@@ -2,11 +2,6 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
 using Xtensive.Core;
 using Xtensive.Orm.Linq;
 using Xtensive.Orm.Providers;

Extensions/Xtensive.Orm.BulkOperations/Internals/QueryOperation.cs

@@ -2,9 +2,6 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Linq.Expressions;
 using Xtensive.Core;
 using Xtensive.Orm.Linq;

Extensions/Xtensive.Orm.BulkOperations/Internals/SetOperation.cs

@@ -2,9 +2,6 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Linq.Expressions;
 using Xtensive.Orm.Model;
 using Xtensive.Orm.Services;

Extensions/Xtensive.Orm.BulkOperations/Internals/SetStatement.cs

@@ -1,5 +1,3 @@
-using System;
-using System.Collections.Generic;
 using Xtensive.Sql;
 using Xtensive.Sql.Dml;
 

Extensions/Xtensive.Orm.BulkOperations/Internals/Updatable.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Linq.Expressions;
 
 namespace Xtensive.Orm.BulkOperations

Extensions/Xtensive.Orm.BulkOperations/Internals/WellKnownMembers.cs

@@ -2,8 +2,6 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System;
-using System.Linq;
 using System.Reflection;
 using Xtensive.Orm.Services;
 

Extensions/Xtensive.Orm.Localization.Tests/AccessToLocalizationOnUpgrade.cs

@@ -1,5 +1,4 @@
 using System.Globalization;
-using System.Linq;
 using NUnit.Framework;
 using Xtensive.Orm.Localization.Tests.Model;
 using Xtensive.Orm.Upgrade;

Extensions/Xtensive.Orm.Localization.Tests/CurrentThreadTest.cs

@@ -1,5 +1,3 @@
-using System.Linq;
-using System.Threading;
 using NUnit.Framework;
 using Xtensive.Orm.Localization.Tests.Model;
 

Extensions/Xtensive.Orm.Localization.Tests/DirectEditTest.cs

@@ -1,4 +1,3 @@
-using System.Linq;
 using NUnit.Framework;
 using Xtensive.Orm.Localization.Tests.Model;
 

Extensions/Xtensive.Orm.Localization.Tests/LocalizationScopeTest.cs

@@ -1,4 +1,3 @@
-using System.Linq;
 using NUnit.Framework;
 using Xtensive.Orm.Localization.Tests.Model;
 

Extensions/Xtensive.Orm.Localization.Tests/Model/Page.cs

@@ -4,7 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2009.11.27
 
-using System;
 using Xtensive.Orm;
 
 namespace Xtensive.Orm.Localization.Tests.Model

Extensions/Xtensive.Orm.Localization.Tests/Model/PageLocalization.cs

@@ -4,7 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2009.11.27
 
-using System;
 using System.Globalization;
 using Xtensive.Orm;
 

Extensions/Xtensive.Orm.Localization.Tests/MultipleNodesTest.cs

@@ -5,7 +5,6 @@
 // Created:    2019.12.04
 
 using NUnit.Framework;
-using System.Collections.Generic;
 using System.Globalization;
 using TestCommon;
 using Xtensive.Orm.Configuration;

Extensions/Xtensive.Orm.Localization.Tests/ProjectionToCustomTypesTests.cs

@@ -2,8 +2,6 @@
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
-using System.Linq;
-using System.Threading;
 using NUnit.Framework;
 using Xtensive.Orm.Localization.Tests.Model;
 

Extensions/Xtensive.Orm.Localization.Tests/QueryTests.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Linq;
-using System.Threading;
 using NUnit.Framework;
 using Xtensive.Orm.Localization.Tests.Model;
 

Extensions/Xtensive.Orm.Localization/Configuration/Elements/ConfigurationSection.cs

@@ -4,7 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2012.07.06
 
-using System;
 using System.Configuration;
 
 namespace Xtensive.Orm.Localization.Configuration

Extensions/Xtensive.Orm.Localization/Configuration/LocalizationConfiguration.cs

@@ -4,10 +4,8 @@
 // Created by: Dmitri Maximov
 // Created:    2012.07.06
 
-using System;
 using System.Configuration;
 using System.Globalization;
-using System.Threading;
 
 namespace Xtensive.Orm.Localization.Configuration
 {

Extensions/Xtensive.Orm.Localization/Internals/LocalizationExpressionBuilder.cs

@@ -4,8 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2009.12.28
 
-using System;
-using System.Linq;
 using System.Linq.Expressions;
 using System.Reflection;
 

Extensions/Xtensive.Orm.Localization/Internals/TypeLocalizationInfo.cs

@@ -4,7 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2009.12.28
 
-using System;
 using System.Reflection;
 using Xtensive.Orm.Model;
 using TypeInfo = Xtensive.Orm.Model.TypeInfo;

Extensions/Xtensive.Orm.Localization/Internals/TypeLocalizationMap.cs

@@ -4,8 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2009.12.28
 
-using System;
-using System.Collections.Generic;
 using Xtensive.Orm.Localization.Configuration;
 using Xtensive.Orm.Model;
 using Xtensive.Orm;

Extensions/Xtensive.Orm.Localization/Localization.cs

@@ -4,7 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2009.11.27
 
-using System;
 using System.Globalization;
 
 namespace Xtensive.Orm.Localization

Extensions/Xtensive.Orm.Localization/LocalizationContext.cs

@@ -4,9 +4,7 @@
 // Created by: Dmitri Maximov
 // Created:    2009.11.30
 
-using System;
 using System.Globalization;
-using System.Threading;
 using Xtensive.Core;
 
 namespace Xtensive.Orm.Localization

Extensions/Xtensive.Orm.Localization/LocalizationPolicy.cs

@@ -4,7 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2009.11.30
 
-using System;
 
 namespace Xtensive.Orm.Localization
 {

Extensions/Xtensive.Orm.Localization/LocalizationSet.cs

@@ -4,7 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2009.11.30
 
-using System;
 using System.Globalization;
 using Xtensive.Orm.Model;
 

Extensions/Xtensive.Orm.Localization/QueryExtensions.cs

@@ -4,7 +4,6 @@
 // Created by: Dmitri Maximov
 // Created:    2009.12.16
 
-using System.Linq;
 using Xtensive.Orm;
 
 namespace Xtensive.Orm.Localization