docs: public CmsPostUploadDialogBean getDialogData() throws CmsRpcException {
  
          if (m_dialogData == null) {
              m_dialogData = CmsPostUploadDialogService.prefetch(getRequest());
          }
          m_dialogData.setUsePropertyConfiguration(m_useConfiguration);
          m_dialogData.setAddBasicProperties(m_addBasicProperties);
          return m_dialogData;
      }