code: @Pure
  	@SuppressWarnings("static-method")
  	public Object getFirstOptionValue(String optionLabel) {
  		final List<Object> options = getCommandLineOption(optionLabel);
  		if (options == null || options.isEmpty()) {
  			return null;
  		}
  		return options.get(0);
  	}
docs: Replies the first value of the option.
  
  @param optionLabel is the name of the option
  @return the option value or <code>null</code> if the option is not present or has no value.