LimitedBox({Key key, double maxWidth: double.INFINITY, double maxHeight: double.INFINITY, Widget child })

Creates a box that limits its size only when it's unconstrained.

The maxWidth and maxHeight arguments must not be null and must not be negative.

Source 

LimitedBox({
  Key key,
  this.maxWidth: double.INFINITY,
  this.maxHeight: double.INFINITY,
  Widget child
}) : super(key: key, child: child) {
  assert(maxWidth != null && maxWidth >= 0.0);
  assert(maxHeight != null && maxHeight >= 0.0);
}