Add empty System.Runtime.CompilerServices.RuntimeFeature.IsSupported() API (#10779)

Signed-off-by: dotnet-bot <dotnet-bot@microsoft.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/System.Private.CoreLib/shared/System/Runtime/CompilerServices/RuntimeFeature.cs b/src/System.Private.CoreLib/shared/System/Runtime/CompilerServices/RuntimeFeature.cs
new file mode 100644
index 000000000..b93c43543
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Runtime/CompilerServices/RuntimeFeature.cs
@@ -0,0 +1,19 @@
+// 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 System.Runtime.CompilerServices
+{
+    public static class RuntimeFeature
+    {
+        /// <summary>
+        /// Checks whether a certain feature is supported by the Runtime.
+        /// </summary>
+        public static bool IsSupported(string feature)
+        {
+            // No features are supported for now.
+            // These features should be added as public static readonly string fields in the same class.
+            return false;
+        }
+    }
+}