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diff --git a/src/engine/events/RequestMetadataEvent.hpp b/src/engine/events/RequestMetadataEvent.hpp
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+++ b/src/engine/events/RequestMetadataEvent.hpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Ingen 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 General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef REQUESTMETADATAEVENT_H
+#define REQUESTMETADATAEVENT_H
+
+#include <string>
+#include "QueuedEvent.hpp"
+#include <raul/Atom.hpp>
+using std::string;
+
+namespace Ingen {
+	
+class GraphObjectImpl;
+namespace Shared {
+	class ClientInterface;
+} using Shared::ClientInterface;
+
+
+/** A request from a client for a piece of variable.
+ *
+ * \ingroup engine
+ */
+class RequestMetadataEvent : public QueuedEvent
+{
+public:
+	RequestMetadataEvent(Engine&              engine,
+	                     SharedPtr<Responder> responder,
+	                     SampleCount          timestamp,
+	                     bool                 property,
+	                     const string&        path,
+	                     const string&        key);
+
+	void pre_process();
+	void post_process();
+
+private:
+	string           _path;
+	bool             _property;
+	string           _key;
+	Raul::Atom       _value; 
+	GraphObjectImpl* _object;
+};
+
+
+} // namespace Ingen
+
+#endif // REQUESTMETADATAEVENT_H