XBT_PUBLIC(tmgr_trace_t) tmgr_trace_new_from_file(const char* filename);
XBT_PUBLIC(tmgr_trace_t) tmgr_trace_new_from_string(const char* id, std::string input, double periodicity);
XBT_PUBLIC(tmgr_trace_t) tmgr_trace_new_from_file(const char* filename);
XBT_PUBLIC(tmgr_trace_t) tmgr_trace_new_from_string(const char* id, std::string input, double periodicity);