RepeatedEffectController constructor
      
      RepeatedEffectController(
    
    
- EffectController child,
- int repeatCount
Implementation
RepeatedEffectController(EffectController child, this.repeatCount)
  : assert(repeatCount > 0, 'repeatCount must be positive'),
    assert(!child.isInfinite, 'child cannot be infinite'),
    _child = child,
    _remainingCount = repeatCount,
    super.empty();