commands.add(new YarnClusterModifyCommand(YarnClusterModifyCommand.DEFAULT_COMMAND + "x",
YarnClusterModifyCommand.DEFAULT_DESC + "x", new ClusterModifyOptionHandler()));
commands.add(new YarnClusterDestroyCommand(YarnClusterDestroyCommand.DEFAULT_COMMAND + "x",
YarnClusterDestroyCommand.DEFAULT_DESC + "x", new ClusterDestroyOptionHandler()));
registerCommands(commands);
registerCommand(new ShellCommand(commands));
}