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diff --git a/meshmc/launcher/minecraft/ProfileUtils.h b/meshmc/launcher/minecraft/ProfileUtils.h
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+++ b/meshmc/launcher/minecraft/ProfileUtils.h
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+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   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, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include "Library.h"
+#include "VersionFile.h"
+
+namespace ProfileUtils
+{
+	typedef QStringList PatchOrder;
+
+	/// Read and parse a OneSix format order file
+	bool readOverrideOrders(QString path, PatchOrder& order);
+
+	/// Write a OneSix format order file
+	bool writeOverrideOrders(QString path, const PatchOrder& order);
+
+	/// Parse a version file in JSON format
+	VersionFilePtr parseJsonFile(const QFileInfo& fileInfo,
+								 const bool requireOrder);
+
+	/// Save a JSON file (in any format)
+	bool saveJsonFile(const QJsonDocument doc, const QString& filename);
+
+	/// Parse a version file in binary JSON format
+	VersionFilePtr parseBinaryJsonFile(const QFileInfo& fileInfo);
+
+	/// Remove LWJGL from a patch file. This is applied to all Mojang-like
+	/// profile files.
+	void removeLwjglFromPatch(VersionFilePtr patch);
+
+} // namespace ProfileUtils