How to use the appium-chromedriver function in appium-chromedriver

helpers.setupNewChromedriver = async function setupNewChromedriver (opts, curDeviceId, adb) {
  if (opts.chromeDriverPort) {
    log.warn(`The 'chromeDriverPort' capability is deprecated. Please use 'chromedriverPort' instead`);
    opts.chromedriverPort = opts.chromeDriverPort;
  }

  if (opts.chromedriverPort) {
    log.debug(`Using user-specified port ${opts.chromedriverPort} for chromedriver`);
  } else {
    // if a single port wasn't given, we'll look for a free one
    opts.chromedriverPort = await getChromedriverPort(opts.chromedriverPorts);
  }

  const chromedriver = new Chromedriver({
    port: opts.chromedriverPort,
    executable: opts.chromedriverExecutable,
    adb,
    cmdArgs: opts.chromedriverArgs,
    verbose: !!opts.showChromedriverLog,
    executableDir: opts.chromedriverExecutableDir,
    mappingPath: opts.chromedriverChromeMappingFile,
    bundleId: opts.chromeBundleId,
    useSystemExecutable: opts.chromedriverUseSystemExecutable,
    disableBuildCheck: opts.chromedriverDisableBuildCheck,
    isAutodownloadEnabled: (this || {}).isChromedriverAutodownloadEnabled
      ? this.isChromedriverAutodownloadEnabled() : undefined,
  });

  // make sure there are chromeOptions
  opts.chromeOptions = opts.chromeOptions || {};