trackBorderColor property
      
      Color
      get
      trackBorderColor
      
    
    
    
Implementation
Color get trackBorderColor => _trackBorderColor;
      
      set
      trackBorderColor
      (Color value) 
      
    
    
    
Implementation
set trackBorderColor(Color value) {
  if (_trackBorderColor != value) {
    _trackBorderColor = value;
    markNeedsSegmentsPaint();
  }
}