porting shell from nuget to local

src/Shared/Microsoft.Windows.Shell/JumpItemsRejectedEventArgs.cs

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+using System;
+using System.Collections.Generic;
+
+namespace Microsoft.Windows.Shell
+{
+	public sealed class JumpItemsRejectedEventArgs : EventArgs
+	{
+		public JumpItemsRejectedEventArgs() : this(null, null)
+		{
+		}
+
+		public JumpItemsRejectedEventArgs(IList<JumpItem> rejectedItems, IList<JumpItemRejectionReason> reasons)
+		{
+			if ((rejectedItems == null && reasons != null) || (reasons == null && rejectedItems != null) || (rejectedItems != null && reasons != null && rejectedItems.Count != reasons.Count))
+			{
+				throw new ArgumentException("The counts of rejected items doesn't match the count of reasons.");
+			}
+			if (rejectedItems != null)
+			{
+				this.RejectedItems = new List<JumpItem>(rejectedItems).AsReadOnly();
+				this.RejectionReasons = new List<JumpItemRejectionReason>(reasons).AsReadOnly();
+				return;
+			}
+			this.RejectedItems = new List<JumpItem>().AsReadOnly();
+			this.RejectionReasons = new List<JumpItemRejectionReason>().AsReadOnly();
+		}
+
+		public IList<JumpItem> RejectedItems { get; private set; }
+
+		public IList<JumpItemRejectionReason> RejectionReasons { get; private set; }
+	}
+}