Removed all unused usings.

src/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/ApiCompatServiceProvider.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using Microsoft.DotNet.ApiCompatibility;
 using Microsoft.DotNet.ApiCompatibility.Comparing;
 using Microsoft.DotNet.ApiCompatibility.Logging;

src/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/RegexStringTransformer.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Text.RegularExpressions;
 
 namespace Microsoft.DotNet.ApiCompat

src/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/RoslynResolver.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.IO;
 using System.Reflection;
 #if NETCOREAPP
 using System.Runtime.Loader;

src/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/SuppressionFileHelper.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.DotNet.ApiCompatibility.Logging;
 using Microsoft.DotNet.ApiSymbolExtensions.Logging;
 

src/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/ValidateAssemblies.cs

@@ -1,9 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
-using System.IO;
 using Microsoft.DotNet.ApiCompatibility;
 using Microsoft.DotNet.ApiCompatibility.Logging;
 using Microsoft.DotNet.ApiCompatibility.Rules;

src/ApiCompat/Microsoft.DotNet.ApiCompat.Shared/ValidatePackage.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using Microsoft.DotNet.ApiCompatibility.Logging;
 using Microsoft.DotNet.ApiCompatibility.Rules;
 using Microsoft.DotNet.PackageValidation;

src/ApiCompat/Microsoft.DotNet.ApiCompat.Task/ValidateAssembliesTask.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.IO;
 using Microsoft.Build.Framework;
 using Microsoft.DotNet.ApiCompatibility.Logging;
 using Microsoft.NET.Build.Tasks;

src/ApiCompat/Microsoft.DotNet.ApiCompat.Task/ValidatePackageTask.cs

@@ -1,11 +1,8 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using Microsoft.Build.Framework;
 using Microsoft.DotNet.ApiCompatibility.Logging;
-using Microsoft.DotNet.PackageValidation;
 using Microsoft.NET.Build.Tasks;
 using NuGet.Frameworks;
 

src/ApiCompat/Microsoft.DotNet.ApiCompat.Tool/Program.cs

@@ -1,12 +1,9 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using System.CommandLine;
 using System.CommandLine.Parsing;
 using System.Diagnostics;
-using System.IO;
 using System.Reflection;
 using Microsoft.DotNet.ApiCompatibility.Logging;
 using Microsoft.DotNet.ApiSymbolExtensions.Logging;

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/ApiComparer.cs

@@ -1,9 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiCompatibility.Mapping;
 using Microsoft.DotNet.ApiCompatibility.Rules;

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/ApiComparerFactory.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using Microsoft.DotNet.ApiCompatibility.Mapping;
 using Microsoft.DotNet.ApiCompatibility.Rules;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/ApiComparerSettings.cs

@@ -2,7 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using Microsoft.CodeAnalysis;
-using System.Collections.Generic;
 using Microsoft.DotNet.ApiCompatibility.Mapping;
 using Microsoft.DotNet.ApiCompatibility.Rules;
 using Microsoft.DotNet.ApiCompatibility.Comparing;

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Comparing/AttributeDataEqualityComparer.cs

@@ -1,10 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 using Microsoft.CodeAnalysis;
 
 namespace Microsoft.DotNet.ApiCompatibility.Comparing

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Comparing/NamedArgumentComparer.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using Microsoft.CodeAnalysis;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Comparing/SymbolEqualityComparer.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiSymbolExtensions;

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Comparing/TypedConstantEqualityComparer.cs

@@ -1,10 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 using Microsoft.CodeAnalysis;
 
 namespace Microsoft.DotNet.ApiCompatibility.Comparing

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/CompatDifference.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiSymbolExtensions;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/DifferenceVisitor.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.DotNet.ApiCompatibility.Mapping;
 
 namespace Microsoft.DotNet.ApiCompatibility

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/IApiComparer.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 
 namespace Microsoft.DotNet.ApiCompatibility

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/IDifferenceVisitor.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.DotNet.ApiCompatibility.Mapping;
 
 namespace Microsoft.DotNet.ApiCompatibility

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Logging/ISuppressionEngine.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
-
 namespace Microsoft.DotNet.ApiCompatibility.Logging
 {
     /// <summary>

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Logging/Suppression.cs

@@ -1,10 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
-using System.Text;
-
 namespace Microsoft.DotNet.ApiCompatibility.Logging
 {
     /// <summary>

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Logging/SuppressionEngine.cs

@@ -1,11 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
 using System.Xml;
 using System.Xml.Serialization;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/AssemblyMapper.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiCompatibility.Rules;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/AssemblySetMapper.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiCompatibility.Rules;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/ElementMapper.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using Microsoft.DotNet.ApiCompatibility.Rules;
 
 namespace Microsoft.DotNet.ApiCompatibility.Mapping

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/IAssemblyMapper.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 
 namespace Microsoft.DotNet.ApiCompatibility.Mapping

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/IAssemblySetMapper.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 
 namespace Microsoft.DotNet.ApiCompatibility.Mapping

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/IElementMapper.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
-
 namespace Microsoft.DotNet.ApiCompatibility.Mapping
 {
     /// <summary>

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/IMapperSettings.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiSymbolExtensions.Filtering;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/INamespaceMapper.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 
 namespace Microsoft.DotNet.ApiCompatibility.Mapping

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/ITypeMapper.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 
 namespace Microsoft.DotNet.ApiCompatibility.Mapping

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/NamespaceMapper.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiCompatibility.Rules;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Mapping/TypeMapper.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using System.Diagnostics;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiCompatibility.Rules;

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/MetadataInformation.cs

@@ -1,9 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
-
 namespace Microsoft.DotNet.ApiCompatibility
 {
     /// <summary>

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Rules/AssemblyIdentityMustMatch.cs

@@ -1,9 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
-using System.Text;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiCompatibility.Logging;
 using Microsoft.DotNet.ApiSymbolExtensions.Logging;

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Rules/AttributesMustMatch.cs

@@ -1,9 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.Collections;
-using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Diagnostics.CodeAnalysis;
 using Microsoft.CodeAnalysis;

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Rules/CannotAddAbstractMember.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiSymbolExtensions;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Rules/CannotAddMemberToInterface.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 
 namespace Microsoft.DotNet.ApiCompatibility.Rules

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Rules/CannotAddOrRemoveVirtualKeyword.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiSymbolExtensions;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Rules/CannotChangeParameterName.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using System.Diagnostics;
 using Microsoft.CodeAnalysis;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Rules/CannotChangeVisibility.cs

@@ -1,8 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 
 namespace Microsoft.DotNet.ApiCompatibility.Rules

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Rules/CannotRemoveBaseTypeOrInterface.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiSymbolExtensions;
 

src/ApiCompat/Microsoft.DotNet.ApiCompatibility/Rules/CannotSealType.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Collections.Generic;
 using Microsoft.CodeAnalysis;
 using Microsoft.DotNet.ApiSymbolExtensions;