protected override void insertChildRenderObject(RenderObject child, object slot)
{
RenderListWheelViewport renderObject = this.renderObject;
D.assert(renderObject.debugValidateChild(child));
int slotNum = (int)slot;
renderObject.insert(child as RenderBox, after: _childElements.getOrDefault(slotNum - 1)?.renderObject as RenderBox);
D.assert(renderObject == this.renderObject);
}
protected override void insertChildRenderObject(RenderObject child, object slot)
{
RenderListWheelViewport renderObject = this.renderObject;
D.assert(renderObject.debugValidateChild(child));
renderObject.insert((RenderBox)child,
(RenderBox)this._childElements.getOrDefault((int)slot - 1)?.renderObject);
// Debug.Log($"insert: {this._childElements.getOrDefault((int) slot - 1)}");
D.assert(renderObject == this.renderObject);
}