Router.maybeOf

Localizations.maybeLocaleOf

FocusTraversalOrder.maybeOf

FocusTraversalGroup.maybeOf

Focus.maybeOf

Shortcuts.maybeOf

Actions.maybeFind

Actions.maybeInvoke

AnimatedList.maybeOf

SliverAnimatedList.maybeOf

CupertinoDynamicColor.maybeResolve

CupertinoUserInterfaceLevel.maybeOf

CupertinoTheme.maybeBrightnessOf

Relevant issues:

Issue 68637

Relevant PRs:

Remove nullOk in MediaQuery.of

Remove nullOk in Navigator.of

Remove nullOk parameter from AnimatedList.of and SliverAnimatedList.of