NOTICE: Stream was rewritten by parser!

void f(Object? x) => switch (x) {*synthetic*=>*synthetic*if};


void[KeywordToken] f[StringToken]([BeginToken]Object[StringToken]?[SimpleToken] x[StringToken])[SimpleToken] =>[SimpleToken] switch[KeywordToken] ([BeginToken]x[StringToken])[SimpleToken] {[BeginToken][SyntheticStringToken]=>[SyntheticToken][SyntheticStringToken]if[KeywordToken]}[SimpleToken];[SimpleToken]
[SimpleToken]