1 files changed, 11 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Globalization/TimeSpanStyles.cs b/src/mscorlib/src/System/Globalization/TimeSpanStyles.cs
new file mode 100644
index 0000000000..df2ea13427
--- /dev/null
+++ b/src/mscorlib/src/System/Globalization/TimeSpanStyles.cs
@@ -0,0 +1,11 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+namespace System.Globalization {
+
+    [Flags]
+    public enum TimeSpanStyles {
+          None                  = 0x00000000,
+          AssumeNegative        = 0x00000001,
+    }
+}
+\ No newline at end of file