Annotate ref

src/libraries/Microsoft.Extensions.FileProviders.Physical/ref/Microsoft.Extensions.FileProviders.Physical.cs

@@ -16,9 +16,9 @@ public PhysicalFileProvider(string root, Microsoft.Extensions.FileProviders.Phys
         public void Dispose() { }
         protected virtual void Dispose(bool disposing) { }
         ~PhysicalFileProvider() { }
-        public Microsoft.Extensions.FileProviders.IDirectoryContents GetDirectoryContents(string subpath) { throw null; }
+        public Microsoft.Extensions.FileProviders.IDirectoryContents GetDirectoryContents(string? subpath) { throw null; }
         public Microsoft.Extensions.FileProviders.IFileInfo GetFileInfo(string subpath) { throw null; }
-        public Microsoft.Extensions.Primitives.IChangeToken Watch(string filter) { throw null; }
+        public Microsoft.Extensions.Primitives.IChangeToken Watch(string? filter) { throw null; }
     }
 }
 namespace Microsoft.Extensions.FileProviders.Internal
@@ -67,8 +67,8 @@ public PhysicalFileInfo(System.IO.FileInfo info) { }
     }
     public partial class PhysicalFilesWatcher : System.IDisposable
     {
-        public PhysicalFilesWatcher(string root, System.IO.FileSystemWatcher fileSystemWatcher, bool pollForChanges) { }
-        public PhysicalFilesWatcher(string root, System.IO.FileSystemWatcher fileSystemWatcher, bool pollForChanges, Microsoft.Extensions.FileProviders.Physical.ExclusionFilters filters) { }
+        public PhysicalFilesWatcher(string root, System.IO.FileSystemWatcher? fileSystemWatcher, bool pollForChanges) { }
+        public PhysicalFilesWatcher(string root, System.IO.FileSystemWatcher? fileSystemWatcher, bool pollForChanges, Microsoft.Extensions.FileProviders.Physical.ExclusionFilters filters) { }
         public Microsoft.Extensions.Primitives.IChangeToken CreateFileChangeToken(string filter) { throw null; }
         public void Dispose() { }
         protected virtual void Dispose(bool disposing) { }
@@ -79,14 +79,14 @@ public partial class PollingFileChangeToken : Microsoft.Extensions.Primitives.IC
         public PollingFileChangeToken(System.IO.FileInfo fileInfo) { }
         public bool ActiveChangeCallbacks { get { throw null; } }
         public bool HasChanged { get { throw null; } }
-        public System.IDisposable RegisterChangeCallback(System.Action<object> callback, object state) { throw null; }
+        public System.IDisposable RegisterChangeCallback(System.Action<object?> callback, object? state) { throw null; }
     }
     public partial class PollingWildCardChangeToken : Microsoft.Extensions.Primitives.IChangeToken
     {
         public PollingWildCardChangeToken(string root, string pattern) { }
         public bool ActiveChangeCallbacks { get { throw null; } }
         public bool HasChanged { get { throw null; } }
         protected virtual System.DateTime GetLastWriteUtc(string path) { throw null; }
-        System.IDisposable Microsoft.Extensions.Primitives.IChangeToken.RegisterChangeCallback(System.Action<object> callback, object state) { throw null; }
+        System.IDisposable Microsoft.Extensions.Primitives.IChangeToken.RegisterChangeCallback(System.Action<object?> callback, object? state) { throw null; }
     }
 }

src/libraries/Microsoft.Extensions.FileProviders.Physical/ref/Microsoft.Extensions.FileProviders.Physical.csproj

@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFrameworks>$(NetCoreAppCurrent);netstandard2.0;net461</TargetFrameworks>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="Microsoft.Extensions.FileProviders.Physical.cs" />