code: private Map<String, Object> cloneAttributes(Map<String, Object> attrs) {
  
          Map<String, Object> result = new HashMap<String, Object>();
          for (Entry<String, Object> entry : attrs.entrySet()) {
              if (entry.getValue() instanceof CmsJspStandardContextBean) {
                  result.put(entry.getKey(), ((CmsJspStandardContextBean)entry.getValue()).createCopy());
              } else if (entry.getValue() instanceof Cloneable) {
                  Object clone = null;
                  try {
                      clone = ObjectUtils.clone(entry.getValue());
                  } catch (Exception e) {
                      LOG.info(e.getMessage(), e);
                  }
  
                  result.put(entry.getKey(), clone != null ? clone : entry.getValue());
              } else {
                  result.put(entry.getKey(), entry.getValue());
              }
  
          }
  
          return result;
      }
docs: Clones the attribute instances if possible.<p>
  
  @param attrs the attributes
  
  @return a new map instance with the cloned attributes