docs: protected final void destroyHandleList() // d662032
      {
          if (connectionHandleList != null)
          {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
                  Tr.debug(tc, "destroyHandleList: destroying " + connectionHandleList);
              connectionHandleList.componentDestroyed();
              connectionHandleList = null;
          }
      }