question: private void buildOptions ( Options options ) { OptionBuilder . withArgName ( OPTION_HELP ) ; OptionBuilder . withLongOpt ( OPTION_HELP ) ; OptionBuilder . isRequired ( false ) ; OptionBuilder . withDescription ( "Print help message and exit." ) ; options . addOption ( OptionBuilder . create ( 'h' ) ) ; OptionBuilder . withArgName ( OPTION_INPUT_JSON ) ; OptionBuilder . withLongOpt ( OPTION_INPUT_JSON ) ; OptionBuilder . isRequired ( false ) ; OptionBuilder . hasArg ( ) ; OptionBuilder . withDescription ( "Specify the JSON input file." ) ; options . addOption ( OptionBuilder . create ( "j" ) ) ; }
target:  Method for building the allowed options.