Fix RS0034 warning

Author: inyutin-maxim

System.IO.Abstractions.Analyzers/CodeFixes/DirectoryCodeFix.cs

@@ -8,6 +8,12 @@ namespace System.IO.Abstractions.Analyzers.CodeFixes;
 [ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(DirectoryCodeFix))]
 public class DirectoryCodeFix : BaseInvokeCodeFix
 {
+	[ImportingConstructor]
+	[Obsolete("This exported object must be obtained through the MEF export provider.", true)]
+	public DirectoryCodeFix()
+	{
+	}
+
 	protected override string DiagnosticId => Constants.Io0003;
 
 	protected override string Title => "Use IFileSystem.Directory for improved testability";

System.IO.Abstractions.Analyzers/CodeFixes/DirectoryInfoCodeFix.cs

@@ -16,6 +16,12 @@ public class DirectoryInfoCodeFix : CodeFixProvider
 {
 	private const string Title = "Use IDirectoryInfoFactory instead creation DirectoryInfo for improved testability";
 
+	[ImportingConstructor]
+	[Obsolete("This exported object must be obtained through the MEF export provider.", true)]
+	public DirectoryInfoCodeFix()
+	{
+	}
+
 	public override ImmutableArray<string> FixableDiagnosticIds => ImmutableArray.Create(Constants.Io0007);
 
 	public override sealed FixAllProvider GetFixAllProvider() => WellKnownFixAllProviders.BatchFixer;

System.IO.Abstractions.Analyzers/CodeFixes/FileCodeFix.cs

@@ -8,6 +8,12 @@ namespace System.IO.Abstractions.Analyzers.CodeFixes;
 [ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(FileCodeFix))]
 public class FileCodeFix : BaseInvokeCodeFix
 {
+	[ImportingConstructor]
+	[Obsolete("This exported object must be obtained through the MEF export provider.", true)]
+	public FileCodeFix()
+	{
+	}
+
 	protected override string DiagnosticId => Constants.Io0002;
 
 	protected override string Title => "Use IFileSystem.File for improved testability";

System.IO.Abstractions.Analyzers/CodeFixes/FileInfoCodeFix.cs

@@ -16,6 +16,12 @@ public class FileInfoCodeFix : CodeFixProvider
 {
 	private const string Title = "Use IFileInfoFactory instead creation FileInfo for improved testability";
 
+	[ImportingConstructor]
+	[Obsolete("This exported object must be obtained through the MEF export provider.", true)]
+	public FileInfoCodeFix()
+	{
+	}
+
 	public override ImmutableArray<string> FixableDiagnosticIds => ImmutableArray.Create(Constants.Io0004);
 
 	public override sealed FixAllProvider GetFixAllProvider() => WellKnownFixAllProviders.BatchFixer;

System.IO.Abstractions.Analyzers/CodeFixes/FileServiceConstructorInitialCodeFix.cs

@@ -15,6 +15,12 @@ public class FileServiceConstructorInitialCodeFix : CodeFixProvider
 {
 	private const string Title = "Create FileSystem in constructor and using System.IO.Abstractions";
 
+	[ImportingConstructor]
+	[Obsolete("This exported object must be obtained through the MEF export provider.", true)]
+	public FileServiceConstructorInitialCodeFix()
+	{
+	}
+
 	public override sealed ImmutableArray<string> FixableDiagnosticIds =>
 		ImmutableArray.Create(Constants.Io0002,
 			Constants.Io0003,

System.IO.Abstractions.Analyzers/CodeFixes/FileServiceInterfaceInjectionCodeFix.cs

@@ -15,6 +15,12 @@ public class FileServiceInterfaceInjectionCodeFix : CodeFixProvider
 {
 	private const string Title = "Inject IFileSystem and using System.IO.Abstractions";
 
+	[ImportingConstructor]
+	[Obsolete("This exported object must be obtained through the MEF export provider.", true)]
+	public FileServiceInterfaceInjectionCodeFix()
+	{
+	}
+
 	public override sealed ImmutableArray<string> FixableDiagnosticIds =>
 		ImmutableArray.Create(Constants.Io0002,
 			Constants.Io0003,

System.IO.Abstractions.Analyzers/CodeFixes/FileStreamCodeFix.cs

@@ -16,6 +16,12 @@ public class FileStreamCodeFix : CodeFixProvider
 {
 	private const string Title = "Use IFileStreamFactory instead creation FileStream for improved testability";
 
+	[ImportingConstructor]
+	[Obsolete("This exported object must be obtained through the MEF export provider.", true)]
+	public FileStreamCodeFix()
+	{
+	}
+
 	public override ImmutableArray<string> FixableDiagnosticIds => ImmutableArray.Create(Constants.Io0005);
 
 	public override sealed FixAllProvider GetFixAllProvider() => WellKnownFixAllProviders.BatchFixer;

System.IO.Abstractions.Analyzers/CodeFixes/PathCodeFix.cs

@@ -8,6 +8,12 @@ namespace System.IO.Abstractions.Analyzers.CodeFixes;
 [ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(PathCodeFix))]
 public class PathCodeFix : BaseInvokeCodeFix
 {
+	[ImportingConstructor]
+	[Obsolete("This exported object must be obtained through the MEF export provider.", true)]
+	public PathCodeFix()
+	{
+	}
+
 	protected override string DiagnosticId => Constants.Io0006;
 
 	protected override string Title => "Use IFileSystem.Path for improved testability";