code: public void close(VirtualConnection vc, Exception e)
     {
        if (tc.isEntryEnabled()) SibTr.entry(this, tc, "close", new Object[] {vc, e});
        if (tc.isEventEnabled() && (e != null)) SibTr.exception(this, tc, e);
        super.close(vc, e);
        if (tc.isEntryEnabled()) SibTr.exit(this, tc, "close");
     }
docs: begin D181601