gapRatio property
      
      double
      get
      gapRatio
      
    
    
    
Implementation
double get gapRatio => _gapRatio;
      
      set
      gapRatio
      (double value) 
      
    
    
    
Implementation
set gapRatio(double value) {
  if (_gapRatio != value) {
    _gapRatio = value;
    assert(
      _gapRatio >= 0 && _gapRatio <= 1,
      'The gap ratio for the funnel chart must be between 0 and 1.',
    );
    _gapRatio = clampDouble(value, 0, 1);
    markNeedsLayout();
  }
}