scrollingOffsetX property
      
      double?
      get
      scrollingOffsetX
      
    
    
    
Implementation
double? get scrollingOffsetX => _scrollingOffsetX;
      
      set
      scrollingOffsetX
      (double? value) 
      
    
    
    
Implementation
set scrollingOffsetX(double? value) {
  if (value == null) return;
  if (_scrollingOffsetX != value) {
    _scrollingOffsetX = value;
    markNeedsPaint();
  }
}