Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/Cache/MemoryResponseElement.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Security.Permissions;
+using System.Web;
+using System.Web.Caching;
+
+namespace System.Web.Caching {
+    [Serializable]
+    [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Unrestricted)]
+    public class MemoryResponseElement: ResponseElement {
+        private  byte[]               _buffer;
+        private  long                 _length;
+
+        public   byte[]               Buffer   { get { return _buffer; } }
+        public   long                 Length   { get { return _length; } }
+
+        private MemoryResponseElement() { } // hide default constructor
+
+        public MemoryResponseElement(byte[] buffer, long length) {
+            if (buffer == null)
+                throw new ArgumentNullException("buffer");
+            if (length < 0 || length > buffer.Length)
+                throw new ArgumentOutOfRangeException("length");
+
+            _buffer = buffer;
+            _length = length;
+        }
+    }
+}