Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/System.IO.Compression/SharpCompress/Common/Options.cs

@@ -0,0 +1,23 @@
+using System;
+
+namespace SharpCompress.Common
+{
+    [Flags]
+    internal enum Options
+    {
+        /// <summary>
+        /// No options specified
+        /// </summary>
+        None = 0,
+
+        /// <summary>
+        /// SharpCompress will keep the supplied streams open
+        /// </summary>
+        KeepStreamsOpen = 1,
+
+        /// <summary>
+        /// Look for RarArchive (Check for self-extracting archives or cases where RarArchive isn't at the start of the file)
+        /// </summary>
+        LookForHeader = 2,
+    }
+}