public void help(final Command command) {
    if (Command.isUnspecified(command)) {
      usage();
    } else {
      info(wrap(helpMap.get(command.getName()), 80, ""));
      info("\n\nusage: \n\n");
      info(wrap("> java ... " + getClass().getName() + " " + usageMap.get(command), 80, "\t\t"));
      info("\n\noptions: \n\n");

      for (String option : command.getOptions()) {
        info(wrap("--" + option + ": " + helpMap.get(option) + "\n", 80, "\t"));
      }

      info("\n\n");
    }
  }
Displays help for the specified Locator launcher command to standard output. If the Locator
launcher command is unspecified, then usage information is displayed instead.

@param command the Locator launcher command in which to display help information.
@see #usage()
geode-core/src/main/java/org/apache/geode/distributed/LocatorLauncher.java