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diff --git a/archived/projt-launcher/launcher/settings/PassthroughSetting.h b/archived/projt-launcher/launcher/settings/PassthroughSetting.h
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+// SPDX-License-Identifier: GPL-3.0-only AND Apache-2.0
+// 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.
+ *
+ * === Upstream License Block (Do Not Modify) ==============================
+ *
+ * Copyright 2013-2021 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.
+ * ======================================================================== */
+
+#pragma once
+
+#include <QObject>
+#include <memory>
+
+#include "Setting.h"
+
+/*!
+ * \brief A setting that 'overrides another.' based on the value of a 'gate' setting
+ * If 'gate' evaluates to true, the override stores and returns data
+ * If 'gate' evaluates to false, the original does,
+ */
+class PassthroughSetting : public Setting
+{
+	Q_OBJECT
+  public:
+	explicit PassthroughSetting(std::shared_ptr<Setting> overridden, std::shared_ptr<Setting> gate);
+
+	virtual QVariant defValue() const;
+	virtual QVariant get() const;
+	virtual void set(QVariant value);
+	virtual void reset();
+
+  private:
+	bool isOverriding() const;
+
+  protected:
+	std::shared_ptr<Setting> m_other;
+	std::shared_ptr<Setting> m_gate;
+};