How to use the moesifapi.ApiController function in moesifapi

before(function() {
      var config = moesifapi.configuration;
      config.ApplicationId = '';
      // config.BaseUri = options.baseUri || options.BaseUri || config.BaseUri;
      var moesifController = moesifapi.ApiController;
      var logger = function(text) {
        console.log('[test logger]:' + text);
      };

      var options = {};

      options.identifyUser =
        options.identifyUser ||
        function() {
          return undefined;
        };

      options.identifyCompany =
      options.identifyCompany ||
      function() {
        return undefined;

module.exports = function(options) {
  logMessage(options.debug, 'moesifInitiator', 'start');

  ensureValidOptions(options);

  // config moesifapi
  var config = moesifapi.configuration;
  config.ApplicationId = options.applicationId || options.ApplicationId;
  config.BaseUri = options.baseUri || options.BaseUri || config.BaseUri;
  var moesifController = moesifapi.ApiController;

  options.identifyUser = options.identifyUser || noop;
  options.identifyCompany = options.identifyCompany || noop;

  // function to add custom metadata (must be an object that can be converted to JSON)
  options.getMetadata = options.getMetadata || noop;

  // function to add custom session token (must be a string)
  options.getSessionToken = options.getSessionToken || noop;

  // function to allow adding of custom tags (this is decprecated - getMetadata should be used instead)
  options.getTags = options.getTags || noop;

  // function to declare the api versionused for the request
  options.getApiVersion = options.getApiVersion || noop;

/*
 * MoesifConfigManager is responsible for fetching and ensuring
 * the config for our api appId is up to date.
 *
 * This is done by ensuring the x-moesif-config-etag doesn't change.
 */

var moesifController = require('moesifapi').ApiController;

const CONFIG_UPDATE_DELAY = 300000; // 5 minutes
const HASH_HEADER = 'x-moesif-config-etag';

function now() {
  return new Date().getTime();
}

function MoesifConfigManager() {
  this._lastConfigUpdate = 0;
}

MoesifConfigManager.prototype.hasConfig = function () {
  return Boolean(this._config);
};