How to use the @expo/ngrok.connect function in @expo/ngrok

import * as Watchman from './Watchman';
import * as Webpack from './Webpack';
import XDLError from './XDLError';

import * as Doctor from './project/Doctor';
import * as IosPlist from './detach/IosPlist';
// @ts-ignore IosWorkspace not yet converted to TypeScript
import * as IosWorkspace from './detach/IosWorkspace';
import { ConnectionStatus } from './xdl';

const EXPO_CDN = 'https://d1wp6m56sqw74a.cloudfront.net';
const MINIMUM_BUNDLE_SIZE = 500;
const TUNNEL_TIMEOUT = 10 * 1000;

const treekillAsync = promisify(treekill);
const ngrokConnectAsync = promisify(ngrok.connect);
const ngrokKillAsync = promisify(ngrok.kill);

type CachedSignedManifest =
  | {
      manifestString: null;
      signedManifest: null;
    }
  | {
      manifestString: string;
      signedManifest: string;
    };

let _cachedSignedManifest: CachedSignedManifest = {
  manifestString: null,
  signedManifest: null,
};

import * as Sentry from './Sentry';
import * as UrlUtils from './UrlUtils';
import UserManager from './User';
import UserSettings from './UserSettings';
import * as Versions from './Versions';
import * as Watchman from './Watchman';
import XDLError from './XDLError';

import type { User as ExpUser } from './User'; //eslint-disable-line

const MINIMUM_BUNDLE_SIZE = 500;
const TUNNEL_TIMEOUT = 10 * 1000;

const joiValidateAsync = promisify(joi.validate);
const treekillAsync = promisify(treekill);
const ngrokConnectAsync = promisify(ngrok.connect);
const ngrokKillAsync = promisify(ngrok.kill);

const request = Request.defaults({
  resolveWithFullResponse: true,
});

type CachedSignedManifest = {
  manifestString: ?string,
  signedManifest: ?string,
};

let _cachedSignedManifest: CachedSignedManifest = {
  manifestString: null,
  signedManifest: null,
};

import * as ThirdParty from './ThirdParty';
import * as UrlUtils from './UrlUtils';
import UserManager, { ANONYMOUS_USERNAME } from './User';
import UserSettings from './UserSettings';
import * as Versions from './Versions';
import * as Watchman from './Watchman';
import XDLError from './XDLError';

import type { User as ExpUser } from './User'; //eslint-disable-line

const EXPO_CDN = 'https://d1wp6m56sqw74a.cloudfront.net';
const MINIMUM_BUNDLE_SIZE = 500;
const TUNNEL_TIMEOUT = 10 * 1000;

const treekillAsync = promisify(treekill);
const ngrokConnectAsync = promisify(ngrok.connect);
const ngrokKillAsync = promisify(ngrok.kill);

type CachedSignedManifest = {
  manifestString: ?string,
  signedManifest: ?string,
};

let _cachedSignedManifest: CachedSignedManifest = {
  manifestString: null,
  signedManifest: null,
};

export type ProjectStatus = 'running' | 'ill' | 'exited';

export async function currentStatus(projectDir: string): Promise {
  const { packagerPort, expoServerPort } = await ProjectSettings.readPackagerInfoAsync(projectDir);