Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/System.IO.Compression/SharpCompress/Common/Zip/Headers/IgnoreHeader.cs

@@ -0,0 +1,22 @@
+using System;
+using System.IO;
+
+namespace SharpCompress.Common.Zip.Headers
+{
+    internal class IgnoreHeader : ZipHeader
+    {
+        public IgnoreHeader(ZipHeaderType type)
+            : base(type)
+        {
+        }
+
+        internal override void Read(BinaryReader reader)
+        {
+        }
+
+        internal override void Write(BinaryWriter writer)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}