26  static void add(uint8_t channelNumber,
 
   28       bool forSecondaryValue = 
false);
 
   29  static double get(uint8_t channelNumber, 
bool forSecondaryValue = 
false);
 
   30  static Correction *getInstance(uint8_t channelNumber,
 
   31                                 bool forSecondaryValue = 
false);
 
   35  Correction(uint8_t channelNumber, 
double correction, 
bool forSecondaryValue);
 
   38  static Correction *first;
 
   40  double correction = 0;
 
   41  Correction *next = 
nullptr;
 
   43  uint8_t channelNumber = 0;
 
   44  bool forSecondaryValue = 
false;