docs: public static I_CmsCollectorPostCreateHandler getPostCreateHandler(String className) {
  
          if (CmsStringUtil.isEmptyOrWhitespaceOnly(className)) {
              return new CmsDefaultPostCreateHandler();
          }
          try {
              Class<?> handlerClass = Class.forName(className);
              if (I_CmsCollectorPostCreateHandler.class.isAssignableFrom(handlerClass)) {
                  I_CmsCollectorPostCreateHandler handler = (I_CmsCollectorPostCreateHandler)handlerClass.newInstance();
                  return handler;
              } else {
                  LOG.error("Post-create handler class does not implement I_CmsPostCreateHandler: '" + className + "'");
                  return new CmsDefaultPostCreateHandler();
              }
          } catch (Exception e) {
              LOG.error("Problem using post-create handler: '" + className + "'," + e.getLocalizedMessage(), e);
              return new CmsDefaultPostCreateHandler();
          }
      }