yValueMapper property
      
      ChartValueMapper<T, num> ?
      get
      yValueMapper
      
    
    
    
Implementation
ChartValueMapper<T, num>? get yValueMapper => _yValueMapper;
      
      set
      yValueMapper
      (ChartValueMapper<T, num> ? value) 
      
    
    
    
Implementation
set yValueMapper(ChartValueMapper<T, num>? value) {
  if (_yValueMapper != value) {
    _yValueMapper = value;
  }
}