code: String show(boolean isRetained) {
          String cmd = "/set start " + (isRetained ? "-retain " : "");
          if (isDefault()) {
              return cmd + "-default\n";
          } else if (isEmpty()) {
              return cmd + "-none\n";
          } else {
              return entries.stream()
                      .map(sue -> sue.name)
                      .collect(joining(" ", cmd, "\n"));
          }
      }
docs: show commands to re-create