visitElementBefore method
Called when an Element has been reached, before its children have been visited.
Returns false
to skip its children.
Implementation
@override
bool visitElementBefore(PrettyElement element) {
final type = element.type;
final builder = _builders[type];
if (builder == null) {
throw NoBuilderFound(type);
}
builder.visitElementBefore(element, _tree.last.element);
_tree.add(_TreeElement(element));
return true;
}