code: @CommandDescList({
  		@CommandDesc(longName = "style",
  				description = "get the current citation style",
  				command = ShellGetStyleCommand.class),
  		@CommandDesc(longName = "locale",
  				description = "get the current citation locale",
  				command = ShellGetLocaleCommand.class),
  		@CommandDesc(longName = "format",
  				description = "get the current output format",
  				command = ShellGetFormatCommand.class),
  	})
  	public void setSubcommand(AbstractCSLToolCommand subcommand) {
  		this.subcommand = subcommand;
  	}
docs: Sets the subcommand to delegate to
  @param subcommand the subcommand