Таким образом, поскольку пропаганда зависит как от Flutter_test от SDK, так и от замораживания ^1.1.1, решение версии не удалось. [] Fine: Type Exception Type: SolveFailure
What you're experiencing is package version conflicting. You can however
without specifying a version, add any. Dart will resolve the versions that
matches for you.
dev_dependencies:
freezed: any
flutter_test: any
mathiasgodwin