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diff --git a/libs/assimp/code/AssetLib/glTF/glTFAssetWriter.h b/libs/assimp/code/AssetLib/glTF/glTFAssetWriter.h
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+++ b/libs/assimp/code/AssetLib/glTF/glTFAssetWriter.h
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+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2022, assimp team
+
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file glTFWriter.h
+ * Declares a class to write gltf/glb files
+ *
+ * glTF Extensions Support:
+ *   KHR_binary_glTF: full
+ *   KHR_materials_common: full
+ */
+#ifndef GLTFASSETWRITER_H_INC
+#define GLTFASSETWRITER_H_INC
+
+#if !defined(ASSIMP_BUILD_NO_GLTF_IMPORTER) && !defined(ASSIMP_BUILD_NO_GLTF1_IMPORTER)
+
+#include "glTFAsset.h"
+
+namespace glTF
+{
+
+using rapidjson::MemoryPoolAllocator;
+
+class AssetWriter
+{
+    template<class T>
+    friend void WriteLazyDict(LazyDict<T>& d, AssetWriter& w);
+
+private:
+
+    void WriteBinaryData(IOStream* outfile, size_t sceneLength);
+
+    void WriteMetadata();
+    void WriteExtensionsUsed();
+
+    template<class T>
+    void WriteObjects(LazyDict<T>& d);
+
+public:
+    Document mDoc;
+    Asset& mAsset;
+
+    MemoryPoolAllocator<>& mAl;
+
+    AssetWriter(Asset& asset);
+
+    void WriteFile(const char* path);
+    void WriteGLBFile(const char* path);
+};
+
+}
+
+// Include the implementation of the methods
+#include "glTFAssetWriter.inl"
+
+#endif // ASSIMP_BUILD_NO_GLTF_IMPORTER
+
+#endif // GLTFASSETWRITER_H_INC