old_contents: define([
          './Credit',
          './defined',
          './Resource'
      ], function(
          Credit,
          defined,
          Resource) {
      'use strict';
  
      var defaultTokenCredit;
      var defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiJkZGM5ZDhhNi00MTEzLTQ3YzUtOGQ1Zi0xZjE3MGM0NDYzNWEiLCJpZCI6MjU5LCJpYXQiOjE1MzU3MjQyMjh9.pIEOyZPuF4xHRzAQFnDgZJwgpLXDtS7vGMwha6fCs2g';
  
      /**
       * Default settings for accessing the Cesium ion API.
       * @exports Ion
       *
       * An ion access token is only required if you are using any ion related APIs.
       * A default access token is provided for evaluation purposes only.
       * Sign up for a free ion account and get your own access token at {@link https://cesium.com}
       *
       * @see IonResource
       * @see IonImageryProvider
       * @see IonGeocoderService
       * @see createWorldImagery
       * @see createWorldTerrain
       */
      var Ion = {};
  
      /**
       * Gets or sets the default Cesium ion access token.
       *
       * @type {String}
       */
      Ion.defaultAccessToken = defaultAccessToken;
  
      /**
       * Gets or sets the default Cesium ion server.
       *
       * @type {String|Resource}
       * @default https://api.cesium.com
       */
      Ion.defaultServer = new Resource({ url: 'https://api.cesium.com/' });
  
      Ion.getDefaultTokenCredit = function(providedKey) {
          if (providedKey !== defaultAccessToken) {
              return undefined;
          }
  
          if (!defined(defaultTokenCredit)) {
              var defaultTokenMessage = '<b> \
              This application is using Cesium\'s default ion access token. Please assign <i>Cesium.Ion.defaultAccessToken</i> \
              with an access token from your ion account before making any Cesium API calls. \
              You can sign up for a free ion account at <a href="https://cesium.com">https://cesium.com</a>.</b>';
  
              defaultTokenCredit = new Credit(defaultTokenMessage, true);
          }
  
          return defaultTokenCredit;
      };
  
      return Ion;
  });
  
new_contents: define([
          './Credit',
          './defined',
          './Resource'
      ], function(
          Credit,
          defined,
          Resource) {
      'use strict';
  
      var defaultTokenCredit;
      var defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI0NjcyZDliZC0wOGIzLTRkYTgtODMzZC02ZDgxN2JlOTFlYWMiLCJpZCI6MjU5LCJzY29wZXMiOlsiYXNyIiwiZ2MiXSwiaWF0IjoxNTM4MzI5MzgyfQ.fHaE6XzGnZtUEtSJjF_0X0HkLQyU59bGDD4-9IEePkc';
  
      /**
       * Default settings for accessing the Cesium ion API.
       * @exports Ion
       *
       * An ion access token is only required if you are using any ion related APIs.
       * A default access token is provided for evaluation purposes only.
       * Sign up for a free ion account and get your own access token at {@link https://cesium.com}
       *
       * @see IonResource
       * @see IonImageryProvider
       * @see IonGeocoderService
       * @see createWorldImagery
       * @see createWorldTerrain
       */
      var Ion = {};
  
      /**
       * Gets or sets the default Cesium ion access token.
       *
       * @type {String}
       */
      Ion.defaultAccessToken = defaultAccessToken;
  
      /**
       * Gets or sets the default Cesium ion server.
       *
       * @type {String|Resource}
       * @default https://api.cesium.com
       */
      Ion.defaultServer = new Resource({ url: 'https://api.cesium.com/' });
  
      Ion.getDefaultTokenCredit = function(providedKey) {
          if (providedKey !== defaultAccessToken) {
              return undefined;
          }
  
          if (!defined(defaultTokenCredit)) {
              var defaultTokenMessage = '<b> \
              This application is using Cesium\'s default ion access token. Please assign <i>Cesium.Ion.defaultAccessToken</i> \
              with an access token from your ion account before making any Cesium API calls. \
              You can sign up for a free ion account at <a href="https://cesium.com">https://cesium.com</a>.</b>';
  
              defaultTokenCredit = new Credit(defaultTokenMessage, true);
          }
  
          return defaultTokenCredit;
      };
  
      return Ion;
  });
  
subject: Update ion demo token for 1.50 release