Slider constructor
      const
      Slider({ 
    
    
- Key? key,
- required SliderValue value,
- ValueChanged<SliderValue> ? onChanged,
- ValueChanged<SliderValue> ? onChangeStart,
- ValueChanged<SliderValue> ? onChangeEnd,
- double min = 0,
- double max = 1,
- int? divisions,
- SliderValue? hintValue,
- double? increaseStep,
- double? decreaseStep,
- bool? enabled = true,
Implementation
const Slider({
  super.key,
  required this.value,
  this.onChanged,
  this.onChangeStart,
  this.onChangeEnd,
  this.min = 0,
  this.max = 1,
  this.divisions,
  this.hintValue,
  this.increaseStep,
  this.decreaseStep,
  this.enabled = true,
}) : assert(min <= max);