code: function (directory) {
    try {
      const content = fs.readFileSync(path.join(directory, CONFIG_EXAMPLE_FILE), 'utf8')
      if (process.env.VERBOSE) {
        console.log('You need to configure the connector in your deepstream configuration file')
      }
      if (!process.env.QUIET) {
        console.log(`Example configuration:\n${colors.grey(content)}`)
      }
    } catch (err) {
      if (!process.env.QUIET) {
        console.log('Example configuration not found')
      }
    }
  }
docs: Prints out the config snippet of a extract connector to the stdout.
  Output is indented and grey colored.
  
  @param  {String}   directory where to lookup for CONFIG_EXAMPLE_FILE
  @return {void}