https://pub.dev/documentation/flutter_floating/latest/floating_view_floating_scroll_mixin/FloatingScrollMixin/scrollTimeMillis.html
scrollTimeMillis property - FloatingScrollMixin mixin - floating_scroll_mixin library - Dart API
API docs for the scrollTimeMillis property from the FloatingScrollMixin mixin, for the Dart programming language.
propertymixinfloatingscrolllibrary