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diff --git a/indra/newview/llmarketplacenotifications.h b/indra/newview/llmarketplacenotifications.h
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+/** 
+ * @file llmarketplacenotifications.h
+ * @brief Handler for notifications related to marketplace file I/O
+ * class definition
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2011, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLMARKETPLACENOTIFICATIONS_H
+#define LL_LLMARKETPLACENOTIFICATIONS_H
+
+
+#include <llsd.h>
+#include <boost/function.hpp>
+
+
+//
+// This is a set of helper functions to handle a unique notification with multiple
+// payloads, helpful when dragging and dropping items to the merchant outbox that
+// trigger notifications that can potentially interfere with the current drag and
+// drop operation.
+//
+// Notification payloads are cached locally when initiated, the notification itself
+// is triggered on the following frame during the call to "update" and then the
+// response is triggered once per payload.
+//
+
+namespace LLMarketplaceInventoryNotifications
+{
+	void update();
+
+	typedef boost::function<void (const LLSD&)> NoCopyCallbackFunction;
+	
+	void addNoCopyNotification(const LLSD& payload, const NoCopyCallbackFunction& cb);
+};
+
+
+#endif // LL_LLMARKETPLACENOTIFICATIONS_H