code: public function getDataSource($dataSourceName)
      {
          if (isset($this->dataSources[$dataSourceName])) {
              return $this->dataSources[$dataSourceName];
          }
  
          return false;
      }
docs: Get data source.
  
  @param [[@doctodo param_type:dataSourceName]] $dataSourceName [[@doctodo param_description:dataSourceName]]
  
  @return [[@doctodo return_type:getDataSource]] [[@doctodo return_description:getDataSource]]