anchor.diff:    method_var(var x) {}
     method_final(final x) {}
     method_finalTyped(final int x) {}
  -  method_const(const x) {}
  -  method_constTyped(const int $) {}
     method_typed(int x) {}
     method_undeclared(z) {}
     method(var x, final y, int z, a, void f()) {}
  
positive.code:   func_var(null);
    func_final(null);
    func_finalTyped(null);
    func_const(null);
    func_constTyped(null);
    func_typed(null);
    func_undeclared(1);
    func(1, 2, 3, 4, null);
  
negative.code:   a.method_var(null);
    a.method_final(null);
    a.method_finalTyped(null);
    a.method_typed(null);
    a.method_undeclared(1);
    a.method(1, 2, 3, 4, null);
  