flutter sdk 2.0.3 接口变动报错

[jackleemeta]

• 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('../../../../../flutter/packages/flutter/lib/src/widgets/framework.dart').
  Try correcting the name to the name of an existing method, or defining a method named 'ancestorStateOfType'.
  .ancestorStateOfType(
  ^^^^^^^^^^^^^^^^^^^
  ../../../../../flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_page_tracker-3.0.7/lib/src/page_view_listener_mixin.dart:106:20: Error: The method 'ancestorStateOfType' isn't defined for the class 'BuildContext'.
  • 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('../../../../../flutter/packages/flutter/lib/src/widgets/framework.dart').
    Try correcting the name to the name of an existing method, or defining a method named 'ancestorStateOfType'.
    return context.ancestorStateOfType(TypeMatcher