protected void printHelp(String cmd) {
    List<String> lines = format((String) helpMap.get(cmd.toLowerCase()), 80);
    for (String line : lines) {
      System.err.println(line);
    }
    usage(cmd);
  }
Represents a list of ResourceInst that have been combined together. Note the most common case
is for this class to only own a single ResourceInst.
geode-core/src/main/java/org/apache/geode/internal/SystemAdmin.java