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