Hi there is I have bug on my code about showCase

[cengizxturkes]

Plugin.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
../../../.pub-cache/hosted/pub.dev/showcaseview-2.1.1/lib/src/tooltip_widget.dart:156:14: Error: The getter 'headline6' isn't defined for the class 'TextTheme'.

• 'TextTheme' is from 'package:flutter/src/material/text_theme.dart' ('../../../flutter/packages/flutter/lib/src/material/text_theme.dart').
  Try correcting the name to the name of an existing getter, or defining a getter or field named 'headline6'.
  .headline6!
  ^^^^^^^^^
  ../../../.pub-cache/hosted/pub.dev/showcaseview-2.1.1/lib/src/tooltip_widget.dart:163:14: Error: The getter 'subtitle2' isn't defined for the class 'TextTheme'.
• 'TextTheme' is from 'package:flutter/src/material/text_theme.dart' ('../../../flutter/packages/flutter/lib/src/material/text_theme.dart').
  Try correcting the name to the name of an existing getter, or defining a getter or field named 'subtitle2'.
  .subtitle2!
  ^^^^^^^^^
  ../../../.pub-cache/hosted/pub.dev/showcaseview-2.1.1/lib/src/tooltip_widget.dart:463:50: Error: The getter 'headline6' isn't defined for the class 'TextTheme'.
• 'TextTheme' is from 'package:flutter/src/material/text_theme.dart' ('../../../flutter/packages/flutter/lib/src/material/text_theme.dart').
  Try correcting the name to the name of an existing getter, or defining a getter or field named 'headline6'.
  .headline6!
  ^^^^^^^^^
  ../../../.pub-cache/hosted/pub.dev/showcaseview-2.1.1/lib/src/tooltip_widget.dart:484:48: Error: The getter 'subtitle2' isn't defined for the class 'TextTheme'.
• 'TextTheme' is from 'package:flutter/src/material/text_theme.dart' ('../../../flutter/packages/flutter/lib/src/material/text_theme.dart').
  Try correcting the name to the name of an existing getter, or defining a getter or field named 'subtitle2'.
  .subtitle2!
  ^^^^^^^^^

[Agndv]

i'm also facing this same issue, please resolve this ASAP

[aditya-css]

Duplicate of #434