How to use the jovo-platform-alexa.Alexa function in jovo-platform-alexa

// ------------------------------------------------------------------
// APP INITIALIZATION
// ------------------------------------------------------------------

const { App } = require('jovo-framework');
const { Alexa } = require('jovo-platform-alexa');
const { GoogleAssistant } = require('jovo-platform-googleassistant');
const { JovoDebugger } = require('jovo-plugin-debugger');
const { FileDb } = require('jovo-db-filedb');
const { SpeechMarkdown } = require('jovo-plugin-speechmarkdown');

const app = new App();

app.use(
    new Alexa(),
    new GoogleAssistant(),
    new JovoDebugger(),
    new FileDb(),
    new SpeechMarkdown()
);


// ------------------------------------------------------------------
// APP LOGIC
// ------------------------------------------------------------------

app.setHandler({
    LAUNCH() {
        return this.toIntent('HelloWorldIntent');
    },

'use strict';

// ------------------------------------------------------------------
// APP INITIALIZATION
// ------------------------------------------------------------------

const {App} = require('jovo-framework');
const {Alexa} = require('jovo-platform-alexa');
const {GoogleAssistant} = require('jovo-platform-googleassistant');
const {JovoDebugger} = require('jovo-plugin-debugger');
const {FileDb} = require('jovo-db-filedb');

const app = new App();

app.use(
    new Alexa(),
    new GoogleAssistant(),
    new JovoDebugger(),
    new FileDb()
);


// ------------------------------------------------------------------
// APP LOGIC
// ------------------------------------------------------------------

app.setHandler({
    LAUNCH() {
        this.toIntent('HelloWorldIntent');
    },

    HelloWorldIntent() {

const { App, Util } = require('jovo-framework');
const { GoogleAssistant } = require('jovo-platform-googleassistant');
const { Alexa } = require('jovo-platform-alexa');
const { JovoDebugger } = require('jovo-plugin-debugger');
const { FileDb } = require('jovo-db-filedb');
const { DynamoDb } = require('jovo-db-dynamodb');
const { DatastoreDb } = require('jovo-db-datastore');
const { MySQL } = require('jovo-db-mysql');


const app = new App();
Util.consoleLog();

app.use(
    new GoogleAssistant(),
    new Alexa(),
    new JovoDebugger(),
    new FileDb(),
    new MySQL({
        tableName: 'users',
        connection: {
            host     : 'localhost',
            user     : 'root',
            password : '',
            database : 'test'
        }
    })
);

app.setHandler({
    async LAUNCH() {
        console.log(this.$user.$data.lastVisit);

LAUNCH () {
      this.toIntent('HelloWorldIntent')
    },

    HelloWorldIntent () {
      this.jargon.ask(ri('hwi.ask'), ri('hwi.reprompt'))
    },

    MyNameIsIntent () {
      this.jargon.tell(ri('mnii', { name: this.$inputs.name.value }))
    }
  })
  return app
}

const alexa = new Alexa()
const ts = alexa.makeTestSuite()

it('Returns one of the expected resources for the hello world intent', function (done: Done) {
  this.timeout(1000)

  const app = makeApp()
  app.middleware('after.response')!.use((handleRequest: HandleRequest) => {
    const jovo = handleRequest.jovo!
    const resp = jovo.$response!
    assert.ok(resp.isAsk(
      [
        "Hello from Jargon! What's your name?",
        'Thanks for using Jargon! Could you tell me your name?',
        'Who are you?',
        "What's your name?"
      ],

function makeApp () {
  const app = new App({ logging: false })
  app.use(
    new Alexa(),
    new JargonPlugin()
  )

  app.setHandler({
    LAUNCH () {
      this.toIntent('HelloWorldIntent')
    },

    HelloWorldIntent () {
      this.jargon.ask(ri('hwi.ask'), ri('hwi.reprompt'))
    },

    MyNameIsIntent () {
      this.jargon.tell(ri('mnii', { name: this.$inputs.name.value }))
    }
  })

const {App} = require('jovo-framework');
const { GoogleAssistant } = require('jovo-platform-googleassistant');
const { Alexa } = require('jovo-platform-alexa');
const app = new App();

app.use(
    new GoogleAssistant(),
    new Alexa()
);


app.setHandler({

    async LAUNCH() {
        let foo = false;
        let bar = true;
        this.$speech
            .addText('HelloWorld')
            .addBreak('100ms', false)
            .addAudio('http://www.any.url/test.mp3', 'Text')
            .addText('Foo', foo)
            .addText('Bar', bar)
            .addText(['Text1', 'Text2', 'Text3'])
            .addBreak(['500ms', '1s'])