docs: public void setRedirect(String target, boolean permanent) {
  
          if (m_completed || (target == null)) {
              return;
          }
          m_redirectTarget = target;
          m_redirectPermanent = permanent;
          m_byteSize = 512 + CmsMemoryMonitor.getMemorySize(target);
          // If we have a redirect we don't need any other output or headers
          m_elements = null;
          m_headers = null;
      }