docs: private DataSource preCreate(Long pipelineId, DbMediaSource dbMediaSource) {
  
          if (CollectionUtils.isEmpty(dataSourceHandlers)) {
              return null;
          }
  
          DataSource dataSource = null;
          for (DataSourceHanlder handler : dataSourceHandlers) {
              if (handler.support(dbMediaSource)) {
                  dataSource = handler.create(pipelineId, dbMediaSource);
                  if (dataSource != null) {
                      return dataSource;
                  }
              }
          }
          return null;
      }