updateChild method
Implementation
void updateChild(double shrinkOffset, double? minExtent, double maxExtent,
bool overlapsContent) {
assert(element != null);
element!.build(shrinkOffset, minExtent, maxExtent, overlapsContent);
}
void updateChild(double shrinkOffset, double? minExtent, double maxExtent,
bool overlapsContent) {
assert(element != null);
element!.build(shrinkOffset, minExtent, maxExtent, overlapsContent);
}