33     objServer(objectServer), writeLast(std::chrono::steady_clock::now()),  in ExternalSensor()
81     std::function<void(std::chrono::steady_clock::time_point now)>&&  in initWriteHook()
132     const std::chrono::steady_clock::time_point& now) const  in isAliveAndFresh()
142     return (ageElapsed(now) < writeTimeout);  in isAliveAndFresh()
146     const std::chrono::steady_clock::time_point& now)  in writeBegin()  argument
155     writeLast = now;  in writeBegin()
177     const std::chrono::steady_clock::time_point& now) const  in ageElapsed()
180     return (now - writeLast);  in ageElapsed()
184     const std::chrono::steady_clock::time_point& now) const  in ageRemaining()
187     return (writeTimeout - ageElapsed(now));  in ageRemaining()
198     auto now = std::chrono::steady_clock::now();  in externalSetTrigger()  local
200     writeBegin(now);  in externalSetTrigger()
203     writeHook(now);  in externalSetTrigger()