[BuildHost] Move RPC contracts to a separate assembly

Roslyn.slnx

@@ -386,6 +386,7 @@
     <Project Path="src/Workspaces/CSharp/Portable/Microsoft.CodeAnalysis.CSharp.Workspaces.csproj" />
     <Project Path="src/Workspaces/CSharpTest/Microsoft.CodeAnalysis.CSharp.Workspaces.UnitTests.csproj" />
     <Project Path="src/Workspaces/MSBuild/BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj" />
+    <Project Path="src/Workspaces/MSBuild/Contracts/Microsoft.CodeAnalysis.Workspaces.MSBuild.Contracts.csproj" />
     <Project Path="src/Workspaces/MSBuild/Core/Microsoft.CodeAnalysis.Workspaces.MSBuild.csproj" />
     <Project Path="src/Workspaces/MSBuild/Test/Microsoft.CodeAnalysis.Workspaces.MSBuild.UnitTests.csproj" />
     <Project Path="src/Workspaces/Remote/Core/Microsoft.CodeAnalysis.Remote.Workspaces.csproj" />

eng/config/PublishData.json

@@ -12,6 +12,7 @@
     "Microsoft.CodeAnalysis.Scripting.Common": "arcade",
     "Microsoft.CodeAnalysis.Workspaces.Common": "vssdk",
     "Microsoft.CodeAnalysis.Workspaces.MSBuild": "arcade",
+    "Microsoft.CodeAnalysis.Workspaces.MSBuild.Contracts": "arcade",
     "Microsoft.CodeAnalysis.Workspaces.Desktop": "arcade",
     "Microsoft.CodeAnalysis.Workspaces.Test.Utilities": "vs-impl",
     "Microsoft.CodeAnalysis.Compiler.Test.Resources": "vs-impl",

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/DotnetCliHelper.cs

@@ -5,7 +5,6 @@
 using System.Composition;
 using System.Diagnostics;
 using System.Text;
-using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.Host.Mef;
 using Microsoft.Extensions.Logging;
 using Roslyn.Utilities;

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/FileBasedPrograms/CanonicalMiscFilesProjectLoader.cs

@@ -7,7 +7,6 @@
 using Microsoft.CodeAnalysis.Features.Workspaces;
 using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace;
 using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace.ProjectTelemetry;
-using Microsoft.CodeAnalysis.MSBuild;
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.CodeAnalysis.ProjectSystem;
 using Microsoft.CodeAnalysis.Shared.Extensions;
@@ -17,7 +16,6 @@
 using Microsoft.CodeAnalysis.Workspaces.ProjectSystem;
 using Microsoft.Extensions.Logging;
 using Roslyn.Utilities;
-using static Microsoft.CodeAnalysis.MSBuild.BuildHostProcessManager;
 
 namespace Microsoft.CodeAnalysis.LanguageServer.FileBasedPrograms;
 

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/FileBasedPrograms/FileBasedProgramsProjectSystem.cs

@@ -2,12 +2,9 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-using System.Collections.Immutable;
-using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.Features.Workspaces;
 using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace;
 using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace.ProjectTelemetry;
-using Microsoft.CodeAnalysis.MSBuild;
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.CodeAnalysis.ProjectSystem;
 using Microsoft.CodeAnalysis.Shared.Extensions;
@@ -17,7 +14,6 @@
 using Microsoft.CommonLanguageServerProtocol.Framework;
 using Microsoft.Extensions.Logging;
 using Roslyn.LanguageServer.Protocol;
-using static Microsoft.CodeAnalysis.MSBuild.BuildHostProcessManager;
 
 namespace Microsoft.CodeAnalysis.LanguageServer.FileBasedPrograms;
 

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/FileBasedPrograms/FileBasedProgramsWorkspaceProviderFactory.cs

@@ -8,7 +8,6 @@
 using Microsoft.CodeAnalysis.LanguageServer.Handler;
 using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace;
 using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace.ProjectTelemetry;
-using Microsoft.CodeAnalysis.MSBuild;
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.CodeAnalysis.ProjectSystem;
 using Microsoft.CodeAnalysis.Shared.TestHooks;

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/FileBasedPrograms/VirtualProjectXmlProvider.cs

@@ -13,7 +13,6 @@
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
-using Microsoft.CodeAnalysis.Diagnostics;
 using Microsoft.CodeAnalysis.Host.Mef;
 using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace;
 using Microsoft.CodeAnalysis.Options;

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/GlobalUsings.cs

@@ -0,0 +1,9 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+extern alias MSBuildWorkspaces;
+extern alias MSBuildWorkspacesContracts;
+
+global using MSBuildWorkspaces::Microsoft.CodeAnalysis.MSBuild;
+global using MSBuildWorkspacesContracts::Microsoft.CodeAnalysis.MSBuild;

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/HostWorkspace/BinLogPathProvider.cs

@@ -4,7 +4,6 @@
 
 using System.Composition;
 using Microsoft.CodeAnalysis.Host.Mef;
-using Microsoft.CodeAnalysis.MSBuild;
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.Extensions.Logging;
 using Microsoft.VisualStudio.Composition;

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/HostWorkspace/LanguageServerProjectLoader.cs

@@ -6,21 +6,16 @@
 using System.Diagnostics;
 using Microsoft.CodeAnalysis.Collections;
 using Microsoft.CodeAnalysis.Host;
-using Microsoft.CodeAnalysis.LanguageServer.Handler.DebugConfiguration;
 using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace.ProjectTelemetry;
-using Microsoft.CodeAnalysis.MSBuild;
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.CodeAnalysis.PooledObjects;
 using Microsoft.CodeAnalysis.ProjectSystem;
-using Microsoft.CodeAnalysis.Shared.Collections;
 using Microsoft.CodeAnalysis.Shared.Extensions;
 using Microsoft.CodeAnalysis.Shared.TestHooks;
-using Microsoft.CodeAnalysis.Shared.Utilities;
 using Microsoft.CodeAnalysis.Threading;
 using Microsoft.CodeAnalysis.Workspaces.ProjectSystem;
 using Microsoft.Extensions.Logging;
 using Roslyn.Utilities;
-using static Microsoft.CodeAnalysis.MSBuild.BuildHostProcessManager;
 using LSP = Roslyn.LanguageServer.Protocol;
 
 namespace Microsoft.CodeAnalysis.LanguageServer.HostWorkspace;

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/HostWorkspace/LanguageServerProjectSystem.cs

@@ -6,15 +6,12 @@
 using System.Composition;
 using Microsoft.CodeAnalysis.Host.Mef;
 using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace.ProjectTelemetry;
-using Microsoft.CodeAnalysis.MSBuild;
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.CodeAnalysis.ProjectSystem;
 using Microsoft.CodeAnalysis.Shared.TestHooks;
 using Microsoft.CodeAnalysis.Workspaces.ProjectSystem;
 using Microsoft.Extensions.Logging;
 using Microsoft.VisualStudio.Composition;
-using Roslyn.Utilities;
-using static Microsoft.CodeAnalysis.MSBuild.BuildHostProcessManager;
 
 namespace Microsoft.CodeAnalysis.LanguageServer.HostWorkspace;
 
@@ -87,7 +84,7 @@ public async Task OpenProjectsAsync(ImmutableArray<string> projectFilePaths)
         if (!_projectFileExtensionRegistry.TryGetLanguageNameFromProjectPath(projectPath, DiagnosticReportingMode.Ignore, out var languageName))
             return null;
 
-        var preferredBuildHostKind = GetKindForProject(projectPath);
+        var preferredBuildHostKind = BuildHostProcessManager.GetKindForProject(projectPath);
         var (buildHost, actualBuildHostKind) = await buildHostProcessManager.GetBuildHostWithFallbackAsync(preferredBuildHostKind, projectPath, cancellationToken);
 
         var loadedFile = await buildHost.LoadProjectFileAsync(projectPath, languageName, cancellationToken);

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/HostWorkspace/LoadedProject.cs

@@ -3,13 +3,8 @@
 // See the LICENSE file in the project root for more information.
 
 using System.Collections.Immutable;
-using Microsoft.CodeAnalysis.Host;
 using Microsoft.CodeAnalysis.LanguageServer.Handler.DebugConfiguration;
-using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace.FileWatching;
-using Microsoft.CodeAnalysis.LanguageServer.HostWorkspace.ProjectTelemetry;
-using Microsoft.CodeAnalysis.MSBuild;
 using Microsoft.CodeAnalysis.ProjectSystem;
-using Microsoft.CodeAnalysis.Text;
 using Microsoft.CodeAnalysis.Workspaces.ProjectSystem;
 using Microsoft.Extensions.FileSystemGlobbing;
 using Microsoft.Extensions.Logging;

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/HostWorkspace/ProjectDependencyHelper.cs

@@ -5,7 +5,6 @@
 using System.Collections.Immutable;
 using Microsoft.CodeAnalysis.LanguageServer.Handler;
 using Microsoft.CodeAnalysis.LanguageServer.LanguageServer;
-using Microsoft.CodeAnalysis.MSBuild;
 using Microsoft.CodeAnalysis.PooledObjects;
 using Microsoft.Extensions.Logging;
 using NuGet.ProjectModel;

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/HostWorkspace/ProjectTelemetry/ProjectLoadTelemetryReporter.cs

@@ -6,7 +6,6 @@
 using System.Composition;
 using Microsoft.CodeAnalysis.Host.Mef;
 using Microsoft.CodeAnalysis.LanguageServer.LanguageServer;
-using Microsoft.CodeAnalysis.MSBuild;
 using Microsoft.Extensions.Logging;
 using Roslyn.Utilities;
 

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/LanguageServer/Handler/Restore/RestoreParams.cs

@@ -3,7 +3,6 @@
 // See the LICENSE file in the project root for more information.
 
 using System.Text.Json.Serialization;
-using Roslyn.LanguageServer.Protocol;
 
 namespace Microsoft.CodeAnalysis.LanguageServer.Handler;
 

src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Microsoft.CodeAnalysis.LanguageServer.csproj

@@ -103,7 +103,10 @@
   </Target>
 
   <ItemGroup Label="Project References">
-    <ProjectReference Include="..\..\Workspaces\MSBuild\Core\Microsoft.CodeAnalysis.Workspaces.MSBuild.csproj" />
+    <!-- An extern alias is necessary to prevent ambiguity between shared projects linked to both Workspace and BuildHost -->
+    <ProjectReference Include="..\..\Workspaces\MSBuild\Core\Microsoft.CodeAnalysis.Workspaces.MSBuild.csproj" Aliases="MSBuildWorkspaces" />
+    <ProjectReference Include="..\..\Workspaces\MSBuild\Contracts\Microsoft.CodeAnalysis.Workspaces.MSBuild.Contracts.csproj" Aliases="MSBuildWorkspacesContracts" />
+
     <ProjectReference Include="..\..\Workspaces\Remote\Core\Microsoft.CodeAnalysis.Remote.Workspaces.csproj" />
     <ProjectReference Include="..\Protocol\Microsoft.CodeAnalysis.LanguageServer.Protocol.csproj" />
 

src/NuGet/VS.ExternalAPIs.Roslyn.Package/VS.ExternalAPIs.Roslyn.Package.csproj

@@ -100,6 +100,7 @@
       <_File Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.VisualBasic\$(Configuration)\netstandard2.0\Microsoft.CodeAnalysis.VisualBasic.dll" TargetDir="" />
       <_File Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Workspaces.Desktop\$(Configuration)\net472\Microsoft.CodeAnalysis.Workspaces.Desktop.dll" TargetDir="" />
       <_File Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost\$(Configuration)\net472\Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.exe" TargetDir="" />
+      <_File Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Workspaces.MSBuild.Contracts\$(Configuration)\net472\Microsoft.CodeAnalysis.Workspaces.MSBuild.Contracts.dll" TargetDir="" />
       <_File Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Workspaces.MSBuild\$(Configuration)\net472\Microsoft.CodeAnalysis.Workspaces.MSBuild.dll" TargetDir="" />
       <_File Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis.Workspaces\$(Configuration)\netstandard2.0\Microsoft.CodeAnalysis.Workspaces.dll" TargetDir="" />
       <_File Include="$(ArtifactsBinDir)Microsoft.CodeAnalysis\$(Configuration)\netstandard2.0\Microsoft.CodeAnalysis.dll" TargetDir="" />

src/Workspaces/MSBuild/BuildHost/Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost.csproj

@@ -84,6 +84,10 @@
     <None Include="Rpc\Readme.md" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\Contracts\Microsoft.CodeAnalysis.Workspaces.MSBuild.Contracts.csproj" />
+  </ItemGroup>
+
   <ItemGroup>
     <EmbeddedResource Update="WorkspaceMSBuildBuildHostResources.resx" GenerateSource="true" />
   </ItemGroup>
@@ -101,6 +105,5 @@
   </Target>
   <Import Project="..\..\..\Dependencies\PooledObjects\Microsoft.CodeAnalysis.PooledObjects.projitems" Label="Shared" />
   <Import Project="..\..\..\Dependencies\Collections\Microsoft.CodeAnalysis.Collections.projitems" Label="Shared" />
-  <Import Project="..\..\..\Dependencies\Contracts\Microsoft.CodeAnalysis.Contracts.projitems" Label="Shared" />
   <Import Project="$(RepositoryEngineeringDir)targets\PackageDownloadAndReference.targets" />
 </Project>

src/Workspaces/MSBuild/Contracts/Microsoft.CodeAnalysis.Workspaces.MSBuild.Contracts.csproj

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Library</OutputType>
+    <RootNamespace>Microsoft.CodeAnalysis</RootNamespace>
+    <TargetFrameworks>$(NetRoslynBuildHostNetCoreVersion);net472</TargetFrameworks>
+
+    <!-- NuGet -->
+    <IsPackable>true</IsPackable>
+    <PackageDescription>
+      .NET Compiler Platform ("Roslyn") MSBuild host RPC contracts.
+    </PackageDescription>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="System.Collections.Immutable" />
+    <PackageReference Include="System.Threading.Tasks.Extensions" Condition="'$(TargetFrameworkIdentifier)' != '.NETCoreApp'" />
+    <PackageReference Include="System.Text.Json" Condition="'$(TargetFrameworkIdentifier)' != '.NETCoreApp'" />
+  </ItemGroup>
+  <ItemGroup>
+    <PublicAPI Include="PublicAPI.Shipped.txt" />
+    <PublicAPI Include="PublicAPI.Unshipped.txt" />
+  </ItemGroup>
+  <ItemGroup>
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.LanguageServer" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost" />
+    <InternalsVisibleTo Include="Microsoft.CodeAnalysis.Workspaces.MSBuild.UnitTests" />
+    <InternalsVisibleTo Include="DynamicProxyGenAssembly2" Key="$(MoqPublicKey)" LoadsWithinVisualStudio="false" />
+  </ItemGroup>
+  <Import Project="..\..\..\Dependencies\Contracts\Microsoft.CodeAnalysis.Contracts.projitems" Label="Shared" />
+</Project>

src/Workspaces/MSBuild/BuildHost/Rpc/Contracts/MonoMSBuildDiscovery.cs → src/Workspaces/MSBuild/Contracts/MonoMSBuildDiscovery.cs

@@ -8,7 +8,6 @@
 using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
-using Roslyn.Utilities;
 
 namespace Microsoft.CodeAnalysis.MSBuild;
 
@@ -20,6 +19,9 @@ internal static class MonoMSBuildDiscovery
     private static string? s_monoMSBuildDirectory;
     private static string? s_monoVersionString;
 
+    private static void RequireUnix()
+        => Contract.ThrowIfTrue(Path.DirectorySeparatorChar == '\\');
+
     private static IEnumerable<string> GetSearchPaths()
     {
         if (s_searchPaths == null)
@@ -53,10 +55,7 @@ private static IEnumerable<string> GetSearchPaths()
     /// </summary>
     private static string? RealPath(string path)
     {
-        if (PlatformInformation.IsWindows)
-        {
-            throw new PlatformNotSupportedException($"{nameof(RealPath)} can only be called on Unix.");
-        }
+        RequireUnix();
 
         var ptr = Unix_realpath(path, IntPtr.Zero);
         var result = Marshal.PtrToStringAnsi(ptr); // uses UTF8 on Unix
@@ -70,7 +69,7 @@ private static IEnumerable<string> GetSearchPaths()
     /// </summary>
     private static string? GetMonoRuntimeExecutablePath()
     {
-        Contract.ThrowIfTrue(PlatformInformation.IsWindows);
+        RequireUnix();
 
         if (s_monoRuntimeExecutablePath == null)
         {
@@ -94,7 +93,7 @@ private static IEnumerable<string> GetSearchPaths()
     /// </summary>
     private static string? GetMonoLibDirPath()
     {
-        Contract.ThrowIfTrue(PlatformInformation.IsWindows);
+        RequireUnix();
 
         const string DefaultMonoLibPath = "/usr/lib/mono";
         if (Directory.Exists(DefaultMonoLibPath))
@@ -131,7 +130,7 @@ private static IEnumerable<string> GetSearchPaths()
     /// </summary>
     public static string? GetMonoMSBuildDirectory()
     {
-        Contract.ThrowIfTrue(PlatformInformation.IsWindows);
+        RequireUnix();
 
         if (s_monoMSBuildDirectory == null)
         {
@@ -164,7 +163,7 @@ private static IEnumerable<string> GetSearchPaths()
 
     public static string? GetMonoMSBuildVersion()
     {
-        Contract.ThrowIfTrue(PlatformInformation.IsWindows);
+        RequireUnix();
 
         if (s_monoVersionString == null)
         {

src/Workspaces/MSBuild/BuildHost/Rpc/Contracts/ProjectFileInfo.cs → src/Workspaces/MSBuild/Contracts/ProjectFileInfo.cs

@@ -4,7 +4,6 @@
 
 using System.Collections.Immutable;
 using System.Runtime.Serialization;
-using Roslyn.Utilities;
 
 namespace Microsoft.CodeAnalysis.MSBuild;
 
@@ -144,7 +143,7 @@ internal sealed class ProjectFileInfo
     public ImmutableArray<FileGlobs> FileGlobs { get; init; }
 
     public override string ToString()
-        => RoslynString.IsNullOrWhiteSpace(TargetFramework)
+        => string.IsNullOrWhiteSpace(TargetFramework)
             ? FilePath ?? string.Empty
             : $"{FilePath} ({TargetFramework})";
 

src/Workspaces/MSBuild/Core/GlobalUsings.cs

@@ -0,0 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+extern alias Contracts;
+global using Contracts::Microsoft.CodeAnalysis.MSBuild;

src/Workspaces/MSBuild/Core/MSBuild/BuildHostProcessKind.cs

@@ -0,0 +1,12 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+namespace Microsoft.CodeAnalysis.MSBuild;
+
+internal enum BuildHostProcessKind
+{
+    NetCore,
+    NetFramework,
+    Mono
+}

src/Workspaces/MSBuild/Core/MSBuild/BuildHostProcessManager.cs

@@ -412,13 +412,6 @@ public static BuildHostProcessKind GetKindForProject(string projectFilePath)
 #endif
     }
 
-    public enum BuildHostProcessKind
-    {
-        NetCore,
-        NetFramework,
-        Mono
-    }
-
     private sealed class BuildHostProcess : IAsyncDisposable
     {
         private readonly ILogger? _logger;

src/Workspaces/MSBuild/Core/Microsoft.CodeAnalysis.Workspaces.MSBuild.csproj

@@ -46,6 +46,9 @@
     <ProjectReference Include="..\..\..\Tools\ExternalAccess\RazorCompiler\Microsoft.CodeAnalysis.ExternalAccess.RazorCompiler.csproj" PrivateAssets="all">
       <IncludeOutputInThisPackage>true</IncludeOutputInThisPackage>
     </ProjectReference>
+
+    <!-- An extern alias is necessary to prevent ambiguity between shared projects linked to both Workspace and BuildHost -->
+    <ProjectReference Include="..\Contracts\Microsoft.CodeAnalysis.Workspaces.MSBuild.Contracts.csproj" Aliases="Contracts" />
   </ItemGroup>
   <ItemGroup>
     <PublicAPI Include="PublicAPI.Shipped.txt" />
@@ -56,7 +59,6 @@
       <Link>InternalUtilities\GlobalAssemblyCache.cs</Link>
     </Compile>
     <Compile Include="..\..\..\Compilers\Shared\NamedPipeUtil.cs" Link="InternalUtilities\NamedPipeUtil.cs" />
-    <Compile Include="..\BuildHost\Rpc\Contracts\*.cs" Link="Rpc\Contracts\%(FileName).cs"/>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\BuildHost\Rpc\Readme.md" Link="Rpc\Readme.md" />