1 files changed, 23 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/IFormatProvider.cs b/src/mscorlib/src/System/IFormatProvider.cs
new file mode 100644
index 0000000000..a5cc783969
--- /dev/null
+++ b/src/mscorlib/src/System/IFormatProvider.cs
@@ -0,0 +1,23 @@
+// 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.
+
+/*============================================================
+**
+**
+**
+** Purpose: Notes a class which knows how to return formatting information
+**
+**
+============================================================*/
+namespace System {
+    
+    using System;
+
+    [System.Runtime.InteropServices.ComVisible(true)]
+    public interface IFormatProvider
+    {
+        // Interface does not need to be marked with the serializable attribute
+        Object GetFormat(Type formatType);
+    }
+}