TooltipRenderObject constructor
      
      TooltipRenderObject({ 
    
- required SfTooltipState tooltipState,
 - required Animation<
double> tooltipAnimation, - required AnimationController animationController,
 - Key? key,
 - Widget? template,
 
Creating an argument constructor of TooltipRenderObject class.
Implementation
// ignore: prefer_const_constructors_in_immutables
TooltipRenderObject({
  required SfTooltipState tooltipState,
  required Animation<double> tooltipAnimation,
  required AnimationController animationController,
  super.key,
  Widget? template,
}) : _tooltipState = tooltipState,
     _tooltipAnimation = tooltipAnimation,
     _animationController = animationController,
     super(child: template);