SpinKitPulse constructor
      const
      SpinKitPulse({ 
    
    
- Key? key,
- Color? color,
- double size = 50.0,
- IndexedWidgetBuilder? itemBuilder,
- Duration duration = const Duration(seconds: 1),
- AnimationController? controller,
Implementation
const SpinKitPulse({
  Key? key,
  this.color,
  this.size = 50.0,
  this.itemBuilder,
  this.duration = const Duration(seconds: 1),
  this.controller,
})  : assert(!(itemBuilder is IndexedWidgetBuilder && color is Color) && !(itemBuilder == null && color == null),
          'You should specify either a itemBuilder or a color'),
      super(key: key);