old_contents: var SpotifyWebApi = require("../");
  
  /**
   * This example retrives an access token using the Client Credentials Flow. It's well documented here:
   * https://developer.spotify.com/web-api/authorization-guide/#client_credentials_flow
   */
  
  /*
   * https://developer.spotify.com/spotify-web-api/using-scopes/
   */
  
   /**
   * Set the credentials given on Spotify's My Applications page.
   * https://developer.spotify.com/my-applications
   */
  var spotifyApi = new SpotifyWebApi({
    clientId : 'fcecfc79122e4cd299473677a17cbd4d',
    clientSecret : 'f6338737c9bb4bc9a71924cb2940eaedb'
  });
  
  // Retrieve an access token
  spotifyApi.clientCredentialsGrant()
    .then(function(data) {
      console.log('The access token expires in ' + data.body['expires_in']);
      console.log('The access token is ' + data.body['access_token']);
  
      // Save the access token so that it's used in future calls
      spotifyApi.setAccessToken(data['access_token']);
    }, function(err) {
      console.log('Something went wrong when retrieving an access token', err.message);
    });
new_contents: var SpotifyWebApi = require("../");
  
  /**
   * This example retrives an access token using the Client Credentials Flow. It's well documented here:
   * https://developer.spotify.com/web-api/authorization-guide/#client_credentials_flow
   */
  
  /*
   * https://developer.spotify.com/spotify-web-api/using-scopes/
   */
  
   /**
   * Set the credentials given on Spotify's My Applications page.
   * https://developer.spotify.com/my-applications
   */
  var spotifyApi = new SpotifyWebApi({
    clientId : 'fcecfc79122e4cd299473677a17cbd4d',
    clientSecret : 'f6338737c9bb4bc9a71924cb2940eaedb'
  });
  
  // Retrieve an access token
  spotifyApi.clientCredentialsGrant()
    .then(function(data) {
      console.log('The access token expires in ' + data.body['expires_in']);
      console.log('The access token is ' + data.body['access_token']);
  
      // Save the access token so that it's used in future calls
      spotifyApi.setAccessToken(data.body['access_token']);
    }, function(err) {
      console.log('Something went wrong when retrieving an access token', err.message);
    });
  
subject: Fix missing property