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diff --git a/indra/newview/llviewerthrottle.h b/indra/newview/llviewerthrottle.h
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+++ b/indra/newview/llviewerthrottle.h
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+/** 
+ * @file llviewerthrottle.h
+ * @brief LLViewerThrottle class header file
+ *
+ * Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLVIEWERTHROTTLE_H
+#define LL_LLVIEWERTHROTTLE_H
+
+#include <vector>
+
+#include "llstring.h"
+#include "llframetimer.h"
+#include "llthrottle.h"
+
+class LLViewerThrottleGroup
+{
+	LLViewerThrottleGroup();
+	LLViewerThrottleGroup(const F32 settings[TC_EOF]);
+
+	LLViewerThrottleGroup operator*(const F32 frac) const;
+	LLViewerThrottleGroup operator+(const LLViewerThrottleGroup &b) const;
+	LLViewerThrottleGroup operator-(const LLViewerThrottleGroup &b) const;
+
+	F32 getTotal()			{ return mThrottleTotal; }
+	void sendToSim() const;
+
+	void dump();
+
+	friend class LLViewerThrottle;
+protected:
+	F32 mThrottles[TC_EOF];
+	F32 mThrottleTotal;
+};
+
+class LLViewerThrottle
+{
+public:
+	LLViewerThrottle();
+
+	void setMaxBandwidth(F32 kbits_per_second, BOOL from_event = FALSE);
+
+	void load();
+	void save() const;
+	void sendToSim() const;
+
+	F32 getMaxBandwidth()const			{ return mMaxBandwidth; }
+	F32 getCurrentBandwidth() const		{ return mCurrentBandwidth; }
+
+	void updateDynamicThrottle();
+	void resetDynamicThrottle();
+
+	LLViewerThrottleGroup getThrottleGroup(const F32 bandwidth_kbps);
+
+	static const char *sNames[TC_EOF];
+protected:
+	F32 mMaxBandwidth;
+	F32 mCurrentBandwidth;
+
+	LLViewerThrottleGroup mCurrent;
+
+	std::vector<LLViewerThrottleGroup> mPresets;
+	
+	LLFrameTimer mUpdateTimer;
+	F32 mThrottleFrac;
+};
+
+extern LLViewerThrottle gViewerThrottle;
+
+#endif // LL_LLVIEWERTHROTTLE_H