FItemStyle constructor
      
      FItemStyle({ 
    
- required FWidgetStateMap<Color?> backgroundColor,
- required FWidgetStateMap<BoxDecoration?> decoration,
- required FItemContentStyle contentStyle,
- required FRawItemContentStyle rawItemContentStyle,
- required FTappableStyle tappableStyle,
- required FFocusedOutlineStyle? focusedOutlineStyle,
- EdgeInsetsGeometry margin = const EdgeInsets.symmetric(vertical: 2, horizontal: 4),
Creates a FItemStyle.
Implementation
FItemStyle({
  required this.backgroundColor,
  required this.decoration,
  required this.contentStyle,
  required this.rawItemContentStyle,
  required this.tappableStyle,
  required this.focusedOutlineStyle,
  this.margin = const EdgeInsets.symmetric(vertical: 2, horizontal: 4),
});