Methods not generated properly

[WizMe-M]

Hi! When I called dart pub global run dcdg it incorrectly read method's return type and didin't read parameters.

Reproduce:

class Foo {
  Future<void> bar(int a) async {
  }
}

Results:

class "project::foo.dart::Foo" {
  +dynamic bar()
}

[haoyuant]

I'm having the same issue, Future is not recognised. And also, the dart 3 new feature, Records(tuples) are also not handled properly.