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diff --git a/data/plugin/instancetypeplugin.h b/data/plugin/instancetypeplugin.h
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+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INSTANCETYPEPLUGIN_H
+#define INSTANCETYPEPLUGIN_H
+
+#include <QList>
+
+#include "data/inst/instancetype.h"
+
+/*!
+ * \brief Interface for plugins that want to provide custom instance types.
+ */
+class InstanceTypePlugin
+{
+public:
+	/*!
+	 * \brief Gets a QList containing the instance types that this plugin provides.
+	 * These instance types are then registered with the InstanceLoader.
+	 * The InstanceType objects should \e not be deleted by the plugin. Once they 
+	 * are registered, they belong to the InstanceLoader.
+	 * \return A QList containing this plugin's instance types.
+	 */
+	virtual QList<InstanceType *> getInstanceTypes() = 0;
+};
+
+Q_DECLARE_INTERFACE(InstanceTypePlugin, "net.forkk.MultiMC.InstanceTypePlugin/0.1")
+
+#endif // INSTANCETYPEPLUGIN_H