StacPositioned class

A Stac widget that controls where a child of a Stack is positioned.

This widget corresponds to Flutter's Positioned widget and allows precise positioning of a widget within a Stack using coordinates and optional sizing constraints.

{@tool snippet} Dart Example:

const StacPositioned(
  left: 10,
  top: 20,
  child: StacText(data: 'Positioned text'),
)

{@end-tool}

{@tool snippet} JSON Example:

{
  "type": "positioned",
  "left": 10,
  "top": 20,
  "child": {"type": "text", "data": "Positioned text"}
}

{@end-tool}