NOTICE: Stream was rewritten by parser!

class A {
Stream<List<Y>> x() {}
}

class[KeywordToken] A[StringToken] {[BeginToken]
Stream[StringToken]<[BeginToken]List[StringToken]<[BeginToken]Y[StringToken]>[SimpleToken]>[SimpleToken] x[StringToken]([BeginToken])[SimpleToken] {[BeginToken]}[SimpleToken]
}[SimpleToken][SimpleToken]