code: function(program) {
      return program
        .version(require('../../package.json').version)
        .usage('[options] command')
        .option('--cwd <cwd>', 'change the current working directory')
        .option('--azulfile <azulfile>', 'use a specific config file')
        .option('--require <require>', 'require external module')
        .option('--completion <value>', 'a method to handle shell completions');
    }
docs: Setup program.
  
  @private
  @function