/usr/include/Swiften/StreamStack/HighLayer.h is in libswiften-dev 2.0~beta1+dev47-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | /*
 * Copyright (c) 2010 Remko Tronçon
 * Licensed under the GNU General Public License v3.
 * See Documentation/Licenses/GPLv3.txt for more information.
 */
#pragma once
#include <Swiften/Base/SafeByteArray.h>
namespace Swift {
	class LowLayer;
	class HighLayer {
			friend class StreamStack;
		public:
			HighLayer();
			virtual ~HighLayer();
			virtual void handleDataRead(const SafeByteArray& data) = 0;
	
		protected:
			LowLayer* getChildLayer() {
				return childLayer;
			}
			void setChildLayer(LowLayer* childLayer) {
				this->childLayer = childLayer;
			}
			void writeDataToChildLayer(const SafeByteArray& data);
		private:
			LowLayer* childLayer;
	};
}
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