MaterialApp
 │ state: _MaterialAppState#00000
 │
 └─ScrollConfiguration
   │ behavior: _MaterialScrollBehavior
   │
   └─WidgetsApp-[GlobalObjectKey _MaterialAppState#00000]
     │ state: _WidgetsAppState#00000
     │
     └─MediaQuery
       │ data: MediaQueryData(size: Size(800.0, 600.0), devicePixelRatio:
       │   3.0, textScaleFactor: 1.0, platformBrightness:
       │   Brightness.light, padding: EdgeInsets.zero, viewInsets:
       │   EdgeInsets.zero, alwaysUse24HourFormat: false,
       │   accessibleNavigation: falsedisableAnimations:
       │   falseinvertColors: falseboldText: false)
       │
       └─Localizations
         │ locale: en_US
         │ delegates: DefaultMaterialLocalizations.delegate(en_US),
         │   DefaultCupertinoLocalizations.delegate(en_US),
         │   DefaultWidgetsLocalizations.delegate(en_US)
         │ state: _LocalizationsState#00000
         │
         └─Semantics
           │ container: false
           │ properties: SemanticsProperties
           │ label: null
           │ value: null
           │ hint: null
...