Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/ModelBinding/BindingBehaviorAttribute.cs

@@ -0,0 +1,27 @@
+namespace System.Web.ModelBinding {
+    using System;
+    using System.Diagnostics.CodeAnalysis;
+
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Property, AllowMultiple = false, Inherited = true)]
+    [SuppressMessage("Microsoft.Performance", "CA1813:AvoidUnsealedAttributes", Justification = "This class is designed to be overridden")]
+    public class BindingBehaviorAttribute : Attribute {
+
+        private static readonly object _typeId = new object();
+
+        public BindingBehaviorAttribute(BindingBehavior behavior) {
+            Behavior = behavior;
+        }
+
+        public BindingBehavior Behavior {
+            get;
+            private set;
+        }
+
+        public override object TypeId {
+            get {
+                return _typeId;
+            }
+        }
+
+    }
+}