docs: protected void initUserObject() {
  
          if (m_indexsource == null) {
              try {
                  m_indexsource = m_searchManager.getIndexSource(getParamIndexsource());
                  if (m_indexsource == null) {
                      m_indexsource = new CmsSearchIndexSource();
                  }
              } catch (Exception e) {
                  m_indexsource = new CmsSearchIndexSource();
              }
          }
      }