Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

external/entityframework/src/EntityFramework/Infrastructure/SuppressDbSetInitializationAttribute.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+
+namespace System.Data.Entity.Infrastructure
+{
+    /// <summary>
+    ///     This attribute can be applied to either an entire derived <see cref="DbContext" /> class or to
+    ///     individual <see cref="DbSet{T}" /> or <see cref="IDbSet{T}" /> properties on that class.  When applied
+    ///     any discovered <see cref="DbSet{T}" /> or <see cref="IDbSet{T}" /> properties will still be included
+    ///     in the model but will not be automatically initialized.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Class, AllowMultiple = false)]
+    public sealed class SuppressDbSetInitializationAttribute : Attribute
+    {
+    }
+}