code: public void usage() {
  		
  	  String commandName = "";
  	  String commandDescription = "";
  	  
  	  CLICommand commandAnnotation = this.getClass().getAnnotation(CLICommand.class);
  		
  		if (commandAnnotation == null) {
  		  Parameters commandParameters = this.getClass().getAnnotation(Parameters.class);
  		  if (commandParameters != null) {
  		    commandName = commandParameters.commandNames()[0];
  		    commandDescription = commandParameters.commandDescription();
  		  }
  		} else {
  		  commandName = commandAnnotation.name();
  		  commandDescription = commandAnnotation.description();
  		}
  		
  		Console.info("Help for ["+commandName+"].");
  		if (commandDescription != null && !commandDescription.isEmpty()) {
  			Console.info("Description: " + commandDescription);
  		}
  		JCommander comm = new JCommander(this);
  		comm.setProgramName(commandName);
  		comm.usage();
  	}
docs: Print the usage for the command.
  By default, this prints the description and available parameters.