tagForChildren property Null safety
A tag to be applied to the child SemanticsNodes of this widget.
Tags are used to communicate to a parent SemanticsNode that a child SemanticsNode was passed through a particular RenderObject. The parent can use this information to determine the shape of the semantics tree.
- SemanticsConfiguration.addTagForChildren, to which the tags provided here will be passed.
final SemanticsTag? tagForChildren;