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diff --git a/archived/projt-launcher/launcher/java/services/RuntimeScanner.hpp b/archived/projt-launcher/launcher/java/services/RuntimeScanner.hpp
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+++ b/archived/projt-launcher/launcher/java/services/RuntimeScanner.hpp
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-3.0-only
+// SPDX-FileCopyrightText: 2026 Project Tick
+// SPDX-FileContributor: Project Tick Team
+/*
+ *  ProjT Launcher - Minecraft Launcher
+ *  Copyright (C) 2026 Project Tick
+ *
+ *  This program 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, version 3.
+ *
+ *  This program 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 more 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#pragma once
+
+#include <QStringList>
+
+#if defined(Q_OS_WIN32)
+#include <windows.h>
+#endif
+
+namespace projt::java
+{
+	class RuntimeScanner
+	{
+	  public:
+		RuntimeScanner() = default;
+
+		QStringList collectPaths(bool managedOnly) const;
+
+		static QString executableName();
+		static QStringList collectManagedBundles();
+		static QStringList collectMinecraftBundles();
+
+	  private:
+		QStringList appendEnvPaths(const QStringList& base) const;
+
+#if defined(Q_OS_WIN32)
+		QStringList collectRegistryPaths(DWORD keyType,
+										 const QString& keyName,
+										 const QString& valueName,
+										 const QString& suffix) const;
+#endif
+	};
+} // namespace projt::java