docs: @Override
      public void pinElement(CacheElement cacheElement)
      {
          Element element = (Element) cacheElement;
  
          final boolean isTraceOn = TraceComponent.isAnyTracingEnabled();
          if (isTraceOn && tc.isEntryEnabled())
              Tr.entry(tc, "pin", element.key);
  
          int pinCount;
          synchronized (element.ivBucket)
          {
              element.pinned++;
              pinCount = element.pinned;
          }
  
          if (isTraceOn && tc.isEntryEnabled())
              Tr.exit(tc, "pin:" + pinCount);
      }