./../../.pub-cache/hosted/pub.dartlang.org/drag_select_grid_view-0.5.1/lib/src/auto_scroll/auto_scroller_mixin.dart:46:20: Warning: Operand of null-aware operation '!' has type 'WidgetsBinding' which
excludes null.
- 'WidgetsBinding' is from 'package:flutter/src/widgets/binding.dart' ('../../development/flutter/packages/flutter/lib/src/widgets/binding.dart').
WidgetsBinding.instance!.addPostFrameCallback(
The easiest would be to remove the null-aware operator and drop support for flutter < 3.0.0. See https://docs.flutter.dev/development/tools/sdk/release-notes/release-notes-3.0.0#if-you-see-warnings-about-bindings