@Override
      public void visitLocalVariable(String n, String desc, String signature, Label start, Label end, int index) {
        if (!"this".equals(n)) {
          processSignature(signature);
          Iterators.collect(TypeRepr.getType(desc).getUsages(), myUsages);
        }
        super.visitLocalVariable(n, desc, signature, start, end, index);
      }
@Override
      public void visitLocalVariable(String n, String desc, String signature, Label start, Label end, int index)