#ifndef UTIL_PROBEABLEDEVICE_H #define UTIL_PROBEABLEDEVICE_H #include namespace PresenceDetection { namespace Util { class ProbeableDevice { public: virtual int ProbeCounter() const = 0; virtual void IncrementProbeCounter() = 0; virtual void ResetProbeCounter() = 0; }; } // namespace Util } // namespace PresenceDetection #endif // UTIL_PROBEABLEDEVICE_H