docs: private I_CmsResourceWrapper getResourceTypeWrapper(CmsResource res) {
  
          Iterator<I_CmsResourceWrapper> iter = getWrappers().iterator();
          while (iter.hasNext()) {
              I_CmsResourceWrapper wrapper = iter.next();
  
              if (wrapper.isWrappedResource(m_cms, res)) {
                  return wrapper;
              }
          }
  
          return null;
      }