{basePath}/flutter/.pub-cache/hosted/pub.dartlang.org/menu_button-1.4.2+1/lib/menu_button.dart:524:22: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.
'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('{basePath}/flutter/packages/flutter/lib/src/widgets/binding.dart').
WidgetsBinding.instance!.addPostFrameCallback((Duration timeStamp) {
^
{basePath}/flutter/.pub-cache/hosted/pub.dartlang.org/menu_button-1.4.2+1/lib/menu_button.dart:524:22: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which excludes null.