docs: public Set<Map.Entry<K,V>> entrySet()
    {
      if (TraceComponent.isAnyTracingEnabled() && _tc.isEntryEnabled()) SibTr.entry(this, _tc, "entrySet");
      
      UnsupportedOperationException uoe = new UnsupportedOperationException();
      
      if (TraceComponent.isAnyTracingEnabled() && _tc.isEntryEnabled()) SibTr.exit(this, _tc, "entrySet", uoe);
      throw uoe;
    }