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API reference

LookupBoundaryclass
boundary via the static lookup methods provided by the boundary. widgets.LookupBoundary LookupBoundary Lookup Boundary class widgets
LookupBoundary.newconstructor
Creates a LookupBoundary. widgets.LookupBoundary.LookupBoundary.new LookupBoundary new Lookup Boundary.new constructor widgets
material.debugCheckHasMaterialfunction
Asserts that the given context has a Material ancestor within the closest LookupBoundary. material.debugCheckHasMaterial debugCheckHasMaterial debug Check Has Material function material

Version changes

Deprecate OverlayPortal.targetsRootOverlay3.38.0deprecated
overlayChildBuilder: _myBuilder, child: myChild, ); } ``` If you expect `Overlay.of` and `Overlay.maybeOf` to lookup past `LookupBoundary`, use `findAncestorStateOfType` instead. Code before migration: ```dart Widget build(BuildContext context) { Overlay.of(context