trackPadding property
      
      double
      get
      trackPadding
      
    
    
    
Implementation
double get trackPadding => _trackPadding;
      
      set
      trackPadding
      (double value) 
      
    
    
    
Implementation
set trackPadding(double value) {
  if (_trackPadding != value) {
    _trackPadding = value;
    markNeedsLayout();
  }
}