The semantics of this render object.
Exposed only for testing and debugging. To learn about the semantics of
render objects in production, register as a listener using
SemanticsNode.addListener
.
Only valid when asserts are enabled. In release builds, always returns null.
Source
SemanticsNode get debugSemantics { SemanticsNode result; assert(() { result = _semantics; return true; }); return result; }