How to use the react-jss.JssProvider function in react-jss

import MainApp from '../../App';


import chalk from "chalk";

import URI from 'urijs';

import cheerio from "cheerio";

var XMLWriter = require('xml-writer');

const { Prisma } = require('prisma-binding')

let api;

const JssProvider = require('react-jss').JssProvider;
const SheetsRegistry = require('react-jss').SheetsRegistry;


const fs = require("fs");

const PWD = process.env.PWD;

const HTML = fs.readFileSync(`${PWD}/build/index.html`, "utf8");


// let apiSchema;

class Server {


  constructor(props = {}) {