double maxHeight

The value to use for maxHeight if the incoming maxHeight constraint is infinite.

Source 

double get maxHeight => _maxHeight;
void maxHeight=(double value)

Source 

set maxHeight (double value) {
  assert(value != null && value >= 0.0);
  if (_maxHeight == value)
    return;
  _maxHeight = value;
  markNeedsLayout();
}