25 #ifndef QUERYENGINE_QUERYPHYSICALINPUTSCOLLECTOR_H
26 #define QUERYENGINE_QUERYPHYSICALINPUTSCOLLECTOR_H
29 #include <unordered_set>
58 #endif // QUERYENGINE_QUERYPHYSICALINPUTSCOLLECTOR_H
std::ostream & operator<<(std::ostream &os, const SessionInfo &session_info)