text: #ifndef _EASYLOGGINGPP_H_FOR_SAMPLES
  #define _EASYLOGGINGPP_H_FOR_SAMPLES
  
  #define _ELPP_STL_LOGGING
  #define _ELPP_PERFORMANCE_MICROSECONDS
  #define _ELPP_LOG_STD_ARRAY
  #define _ELPP_LOG_UNORDERED_MAP
  #define _ELPP_UNORDERED_SET
  #define _ELPP_THREAD_SAFE
  
  #include "../../../src/easylogging++.h"
  
  #endif // _EASYLOGGINGPP_H_FOR_SAMPLES