whole_func_string: function tsv(incomingData, logger, opConfig, metadata, slice) {
      return csv(incomingData, logger, opConfig, metadata, slice);
  }
func_code_string: function tsv(incomingData, logger, opConfig, metadata, slice) {
      return csv(incomingData, logger, opConfig, metadata, slice);
  }
func_documentation_string: tsv is just a specific case of csv