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diff --git a/indra/newview/llfetchedgltfmaterial.h b/indra/newview/llfetchedgltfmaterial.h
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+++ b/indra/newview/llfetchedgltfmaterial.h
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+/**
+ * @file   llfetchedgltfmaterial.h
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+
+#pragma once
+
+#include "llgltfmaterial.h"
+#include "llpointer.h"
+
+class LLFetchedGLTFMaterial : public LLGLTFMaterial
+{
+    friend class LLGLTFMaterialList; // for lifetime management
+public:
+    LLFetchedGLTFMaterial();
+    virtual ~LLFetchedGLTFMaterial();
+
+protected:
+    //Lifetime management
+    F64 mExpectedFlusTime; // since epoch in seconds
+    bool mActive;
+    bool mFetching;
+};
+
+extern LLGLTFMaterialList gGLTFMaterialList;
+
+