59                    const T& ref,  in PollCopyVariable()  argument
63         ref_(ref),  in PollCopyVariable()
66   PollCopyVariable(const std::string& name, const T& ref, const bool* is_set_p)  in PollCopyVariable()  argument
67       : PollCopyVariable(name, ref, is_set_p, std::string()) {}  in PollCopyVariable()
68   PollCopyVariable(const std::string& name, const T& ref)  in PollCopyVariable()  argument
69       : PollCopyVariable(name, ref, nullptr) {}  in PollCopyVariable()
73                    const T& ref,  in PollCopyVariable()  argument
77         ref_(ref),  in PollCopyVariable()
82                    const T& ref,  in PollCopyVariable()  argument
84       : PollCopyVariable(name, poll_interval, ref, is_set_p, std::string()) {}  in PollCopyVariable()
87                    const T& ref)  in PollCopyVariable()  argument
88       : PollCopyVariable(name, poll_interval, ref, nullptr) {}  in PollCopyVariable()