docs: public static void printHelp(PrintStream stream) throws IOException {
              stream.println();
              stream.println("NAME");
              stream.println("  meta get-ro - Get read-only metadata from nodes and stores");
              stream.println();
              stream.println("SYNOPSIS");
              stream.println("  meta get-ro (<ro-meta-key-list> | all) -s <store-name-list> -u <url>");
              stream.println("              [-n <node-id-list> | --all-nodes]");
              stream.println();
              stream.println("COMMENTS");
              stream.println("  Valid read-only meta keys are:");
              stream.println("    " + KEY_MAX_VERSION);
              stream.println("    " + KEY_CURRENT_VERSION);
              stream.println("    " + KEY_STORAGE_FORMAT);
              stream.println();
              getParser().printHelpOn(stream);
              stream.println();
          }