code: public boolean isWrapperFor(Class<?> iface)
                      throws SQLException
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.entry(tc, "isWrapperFor : " + ivPuId + ", iface = " + iface);
  
          boolean result = false;
  
          if (iface != null &&
              iface.isInstance(this))
          {
              result = true;
          }
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.exit(tc, "isWrapperFor : " + result);
  
          return result;
      }
docs: LI3294-25