diff --git a/third_party/subscriptions-project/config.js b/third_party/subscriptions-project/config.js
index 59f4afec2723..45fba72a0478 100644
--- a/third_party/subscriptions-project/config.js
+++ b/third_party/subscriptions-project/config.js
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/** Version: 0.1.22.150 */
+/** Version: 0.1.22.151 */
 /**
  * Copyright 2018 The Subscribe with Google Authors. All Rights Reserved.
  *
diff --git a/third_party/subscriptions-project/swg-gaa.js b/third_party/subscriptions-project/swg-gaa.js
index 51790f3ddefd..5f0d742599f0 100644
--- a/third_party/subscriptions-project/swg-gaa.js
+++ b/third_party/subscriptions-project/swg-gaa.js
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/** Version: 0.1.22.150 */
+/** Version: 0.1.22.151 */
 /**
  * Copyright 2018 The Subscribe with Google Authors. All Rights Reserved.
  *
@@ -651,6 +651,9 @@ const POST_MESSAGE_COMMAND_INTRODUCTION = 'introduction';
 /** User command for post messages. */
 const POST_MESSAGE_COMMAND_USER = 'user';
 
+/** Error command for post messages. */
+const POST_MESSAGE_COMMAND_ERROR = 'error';
+
 /** ID for the Google Sign-In iframe element. */
 const GOOGLE_SIGN_IN_IFRAME_ID = 'swg-google-sign-in-iframe';
 
@@ -942,10 +945,18 @@ class GaaMeteringRegwall {
 
     GaaMeteringRegwall.render_({iframeUrl});
     GaaMeteringRegwall.sendIntroMessageToGsiIframe_({iframeUrl});
-    return GaaMeteringRegwall.getGaaUser_().then((gaaUser) => {
-      GaaMeteringRegwall.remove_();
-      return gaaUser;
-    });
+    return GaaMeteringRegwall.getGaaUser_()
+      .then((gaaUser) => {
+        GaaMeteringRegwall.remove_();
+        return gaaUser;
+      })
+      .catch((err) => {
+        // Close the Regwall, since the flow failed.
+        GaaMeteringRegwall.remove_();
+
+        // Rethrow error.
+        throw err;
+      });
   }
 
   /**
@@ -1080,13 +1091,18 @@ class GaaMeteringRegwall {
    */
   static getGaaUser_() {
     // Listen for GAA user.
-    return new Promise((resolve) => {
+    return new Promise((resolve, reject) => {
       self.addEventListener('message', (e) => {
-        if (
-          e.data.stamp === POST_MESSAGE_STAMP &&
-          e.data.command === POST_MESSAGE_COMMAND_USER
-        ) {
-          resolve(e.data.gaaUser);
+        if (e.data.stamp === POST_MESSAGE_STAMP) {
+          if (e.data.command === POST_MESSAGE_COMMAND_USER) {
+            // Pass along GAA user.
+            resolve(e.data.gaaUser);
+          }
+
+          if (e.data.command === POST_MESSAGE_COMMAND_ERROR) {
+            // Reject promise due to Google Sign-In error.
+            reject('Google Sign-In failed to initialize');
+          }
         }
       });
     });
@@ -1145,7 +1161,7 @@ class GaaGoogleSignInButton {
     const styleEl = self.document.createElement('style');
     styleEl./*OK*/ innerText = GOOGLE_SIGN_IN_IFRAME_STYLES.replace(
       '$SHOWCASE_REGWALL_GOOGLE_SIGN_IN_BUTTON$',
-      I18N_STRINGS['SHOWCASE_REGWALL_GOOGLE_SIGN_IN_BUTTON'][languageCode]
+      msg(I18N_STRINGS['SHOWCASE_REGWALL_GOOGLE_SIGN_IN_BUTTON'], languageCode)
     );
     self.document.head.appendChild(styleEl);
 
@@ -1210,6 +1226,15 @@ class GaaGoogleSignInButton {
             gaaUser,
           });
         });
+      })
+      .catch(() => {
+        // Report error to parent frame.
+        sendMessageToParentFnPromise.then((sendMessageToParent) => {
+          sendMessageToParent({
+            stamp: POST_MESSAGE_STAMP,
+            command: POST_MESSAGE_COMMAND_ERROR,
+          });
+        });
       });
   }
 }
diff --git a/third_party/subscriptions-project/swg.js b/third_party/subscriptions-project/swg.js
index 7280ddae6b5f..f2b35fc9e896 100644
--- a/third_party/subscriptions-project/swg.js
+++ b/third_party/subscriptions-project/swg.js
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-/** Version: 0.1.22.150 */
+/** Version: 0.1.22.151 */
 /**
  * Copyright 2018 The Subscribe with Google Authors. All Rights Reserved.
  *
@@ -1448,7 +1448,7 @@ class SmartBoxMessage {
 /**
  * @implements {Message}
  */
-class SubscribeResponse {
+class SubscribeResponse$1 {
   /**
    * @param {!Array<*>=} data
    * @param {boolean=} includesLabel
@@ -1690,7 +1690,7 @@ const PROTO_MAP = {
   'LinkingInfoResponse': LinkingInfoResponse,
   'SkuSelectedResponse': SkuSelectedResponse,
   'SmartBoxMessage': SmartBoxMessage,
-  'SubscribeResponse': SubscribeResponse,
+  'SubscribeResponse': SubscribeResponse$1,
   'Timestamp': Timestamp,
   'ToastCloseRequest': ToastCloseRequest,
   'ViewSubscriptionsResponse': ViewSubscriptionsResponse,
@@ -2234,7 +2234,7 @@ function base64UrlDecodeToBytes(str) {
  * limitations under the License.
  */
 
-const CHARS = '0123456789ABCDEF';
+const CHARS$1 = '0123456789ABCDEF';
 
 /**
  * Polyfill for String.prototype.startsWith.
@@ -2255,7 +2255,7 @@ function startsWith(string, prefix) {
  * @param {!number} v
  */
 function getChar19(v) {
-  return CHARS[(v & 0x3) | 0x8];
+  return CHARS$1[(v & 0x3) | 0x8];
 }
 
 /**
@@ -2291,7 +2291,7 @@ function getUuid() {
         uuid += getChar19(rands[rIndex++]);
         break;
       default:
-        uuid += CHARS[rands[rIndex++]];
+        uuid += CHARS$1[rands[rIndex++]];
         break;
     }
   }
@@ -2559,7 +2559,7 @@ function getVendorJsPropertyName(style, camelCase, bypassCache) {
  * @param {!Element} element
  * @param {!Object<string, string|number>} styles
  */
-function setImportantStyles(element, styles) {
+function setImportantStyles$1(element, styles) {
   for (const k in styles) {
     element.style.setProperty(
       getVendorJsPropertyName(styles, k),
@@ -2621,7 +2621,7 @@ function resetStyles(element, properties) {
  * @param {!Element} element
  */
 function resetAllStyles(element) {
-  setImportantStyles(element, defaultStyles);
+  setImportantStyles$1(element, defaultStyles);
 }
 
 /**
@@ -2959,7 +2959,7 @@ let aResolver;
  * @param {string} urlString
  * @return {!HTMLAnchorElement}
  */
-function parseUrl(urlString) {
+function parseUrl$1(urlString) {
   if (!aResolver) {
     aResolver = /** @type {!HTMLAnchorElement} */ (document.createElement('a'));
   }
@@ -2994,7 +2994,7 @@ function getOrigin(loc) {
  * @return {string}
  */
 function getOriginFromUrl(urlString) {
-  return getOrigin(parseUrl(urlString));
+  return getOrigin(parseUrl$1(urlString));
 }
 
 
@@ -3016,7 +3016,7 @@ function removeFragment(urlString) {
  * @param {string} query The URL query string.
  * @return {!Object<string, string>}
  */
-function parseQueryString(query) {
+function parseQueryString$1(query) {
   if (!query) {
     return {};
   }
@@ -3041,7 +3041,7 @@ function parseQueryString(query) {
  * @return {?string}
  */
 function getQueryParam(queryString, param) {
-  return parseQueryString(queryString)[param];
+  return parseQueryString$1(queryString)[param];
 }
 
 
@@ -3643,7 +3643,7 @@ function closePort(port) {
  * @implements {ActivityPort}
  * @implements {ActivityMessagingPort}
  */
-class ActivityIframePort {
+class ActivityIframePort$1 {
 
   /**
    * @param {!HTMLIFrameElement} iframe
@@ -4346,7 +4346,7 @@ class ActivityWindowRedirectPort {
  * as a singleton. It can start activities of all modes: iframe, popup, and
  * redirect.
  */
-class ActivityPorts {
+class ActivityPorts$1 {
 
   /**
    * @param {!Window} win
@@ -4389,7 +4389,7 @@ class ActivityPorts {
    * @return {!Promise<!ActivityIframePort>}
    */
   openIframe(iframe, url, opt_args) {
-    const port = new ActivityIframePort(iframe, url, opt_args);
+    const port = new ActivityIframePort$1(iframe, url, opt_args);
     return port.connect().then(() => port);
   }
 
@@ -4567,8 +4567,8 @@ class ActivityPorts {
 
 
 var activityPorts = {
-  ActivityPorts,
-  ActivityIframePort,
+  ActivityPorts: ActivityPorts$1,
+  ActivityIframePort: ActivityIframePort$1,
   ActivityMessagingPort,
   ActivityMode,
   ActivityOpenOptions,
@@ -4653,7 +4653,7 @@ class ErrorUtils {
  */
 
 /** @const {!Object<string, string>} */
-const iframeAttributes = {
+const iframeAttributes$2 = {
   'frameborder': '0',
   'scrolling': 'no',
 };
@@ -4690,7 +4690,7 @@ class ActivityIframeView extends View {
     this.iframe_ = /** @type {!HTMLIFrameElement} */ (createElement(
       this.doc_,
       'iframe',
-      iframeAttributes
+      iframeAttributes$2
     ));
 
     /** @private @const {!../components/activities.ActivityPorts} */
@@ -5422,7 +5422,7 @@ class UserData {
 
 /**
  */
-class SubscribeResponse$1 {
+class SubscribeResponse {
   /**
    * @param {string} raw
    * @param {!PurchaseData} purchaseData
@@ -5465,7 +5465,7 @@ class SubscribeResponse$1 {
    * @return {!SubscribeResponse}
    */
   clone() {
-    return new SubscribeResponse$1(
+    return new SubscribeResponse(
       this.raw,
       this.purchaseData,
       this.userData,
@@ -5972,7 +5972,7 @@ let cache;
  * @param {string} url
  * @return {!LocationDef}
  */
-function parseUrl$1(url) {
+function parseUrl(url) {
   if (!a) {
     a = /** @type {!HTMLAnchorElement} */ (self.document.createElement('a'));
     cache = self.UrlCache || (self.UrlCache = Object.create(null));
@@ -6050,7 +6050,7 @@ function parseUrlWithA(a, url) {
  * @param {string} query The URL query string.
  * @return {!Object<string, string>}
  */
-function parseQueryString$1(query) {
+function parseQueryString(query) {
   if (!query) {
     return {};
   }
@@ -6113,8 +6113,8 @@ function getCanonicalUrl(doc) {
   return (node && node.href) || '';
 }
 
-const PARSED_URL = parseUrl$1(self.window.location.href);
-const PARSED_REFERRER = parseUrl$1(self.document.referrer);
+const PARSED_URL = parseUrl(self.window.location.href);
+const PARSED_REFERRER = parseUrl(self.document.referrer);
 
 /**
  * True for Google domains
@@ -6180,7 +6180,7 @@ const CACHE_KEYS = {
  * @return {string}
  */
 function feOrigin() {
-  return parseUrl$1('https://news.google.com').origin;
+  return parseUrl('https://news.google.com').origin;
 }
 
 /**
@@ -6209,7 +6209,7 @@ function feUrl(url, prefix = '') {
   url = feCached('https://news.google.com' + prefix + '/swg/_/ui/v1' + url);
 
   // Optionally add jsmode param. This allows us to test against "aggressively" compiled Boq JS.
-  const query = parseQueryString$1(self.location.hash);
+  const query = parseQueryString(self.location.hash);
   const boqJsMode = query['swg.boqjsmode'];
   if (boqJsMode !== undefined) {
     url = addQueryParam(url, 'jsmode', boqJsMode);
@@ -6232,7 +6232,7 @@ function feCached(url) {
  */
 function feArgs(args) {
   return Object.assign(args, {
-    '_client': 'SwG 0.1.22.150',
+    '_client': 'SwG 0.1.22.151',
   });
 }
 
@@ -6297,7 +6297,7 @@ const RecurrenceMapping = {
  * @param {string} sku
  * @return {!EventParams}
  */
-function getEventParams(sku) {
+function getEventParams$1(sku) {
   return new EventParams([, , , , sku]);
 }
 
@@ -6378,7 +6378,7 @@ class PayStartFlow {
     this.eventManager_.logSwgEvent(
       AnalyticsEvent.ACTION_PAYMENT_FLOW_STARTED,
       true,
-      getEventParams(swgPaymentRequest['skuId'])
+      getEventParams$1(swgPaymentRequest['skuId'])
     );
     PayCompleteFlow.waitingForPayClient_ = true;
     this.payClient_.start(
@@ -6430,7 +6430,7 @@ class PayCompleteFlow {
           eventManager.logSwgEvent(
             AnalyticsEvent.ACTION_PAYMENT_COMPLETE,
             true,
-            getEventParams(sku || '')
+            getEventParams$1(sku || '')
           );
           flow.start(response);
         },
@@ -6502,7 +6502,7 @@ class PayCompleteFlow {
     this.eventManager_.logSwgEvent(
       AnalyticsEvent.IMPRESSION_ACCOUNT_CHANGED,
       true,
-      getEventParams(this.sku_ || '')
+      getEventParams$1(this.sku_ || '')
     );
     this.deps_.entitlementsManager().reset(true);
     this.response_ = response;
@@ -6561,7 +6561,7 @@ class PayCompleteFlow {
     this.eventManager_.logSwgEvent(
       AnalyticsEvent.ACTION_ACCOUNT_CREATED,
       true,
-      getEventParams(this.sku_ || '')
+      getEventParams$1(this.sku_ || '')
     );
     this.deps_.entitlementsManager().unblockNextNotification();
     this.readyPromise_.then(() => {
@@ -6578,7 +6578,7 @@ class PayCompleteFlow {
         this.eventManager_.logSwgEvent(
           AnalyticsEvent.ACTION_ACCOUNT_ACKNOWLEDGED,
           true,
-          getEventParams(this.sku_ || '')
+          getEventParams$1(this.sku_ || '')
         );
         this.deps_.entitlementsManager().setToastShown(true);
       });
@@ -6688,7 +6688,7 @@ function parseSubscriptionResponse(deps, data, completeHandler) {
     throw new Error('unexpected payment response');
   }
   raw = JSON.stringify(/** @type {!JsonObject} */ (swgData));
-  return new SubscribeResponse$1(
+  return new SubscribeResponse(
     raw,
     parsePurchaseData(swgData),
     parseUserData(swgData),
@@ -6768,7 +6768,7 @@ function parseSkuFromPurchaseDataSafe(purchaseData) {
  * @param {string} sku
  * @return {!EventParams}
  */
-function getEventParams$1(sku) {
+function getEventParams(sku) {
   return new EventParams([, , , , sku]);
 }
 
@@ -6881,7 +6881,7 @@ class OffersFlow {
       this.eventManager_.logSwgEvent(
         AnalyticsEvent.ACTION_OFFER_SELECTED,
         true,
-        getEventParams$1(sku)
+        getEventParams(sku)
       );
       new PayStartFlow(this.deps_, subscriptionRequest).start();
     }
@@ -7005,14 +7005,14 @@ class SubscribeOptionFlow {
         .triggerFlowCanceled(SubscriptionFlows.SHOW_SUBSCRIBE_OPTION);
     });
     this.activityIframeView_.on(
-      SubscribeResponse,
+      SubscribeResponse$1,
       this.maybeOpenOffersFlow_.bind(this)
     );
 
     this.activityIframeView_.acceptResult().then(
       (result) => {
         const data = result.data;
-        const response = new SubscribeResponse();
+        const response = new SubscribeResponse$1();
         if (data['subscribe']) {
           response.setSubscribe(true);
         }
@@ -7192,7 +7192,7 @@ class ActivityPortDeprecated {
 /**
  * @implements {ActivityPortDef}
  */
-class ActivityIframePort$1 {
+class ActivityIframePort {
   /**
    * @param {!HTMLIFrameElement} iframe
    * @param {string} url
@@ -7325,7 +7325,7 @@ class ActivityIframePort$1 {
   }
 }
 
-class ActivityPorts$1 {
+class ActivityPorts {
   /**
    * @param {!../runtime/deps.DepsDef} deps
    */
@@ -7351,7 +7351,7 @@ class ActivityPorts$1 {
         'analyticsContext': context.toArray(),
         'publicationId': pageConfig.getPublicationId(),
         'productId': pageConfig.getProductId(),
-        '_client': 'SwG 0.1.22.150',
+        '_client': 'SwG 0.1.22.151',
         'supportsEventManager': true,
       },
       args || {}
@@ -7366,7 +7366,7 @@ class ActivityPorts$1 {
    * @return {!Promise<!ActivityIframePort>}
    */
   openActivityIframePort_(iframe, url, args) {
-    const activityPort = new ActivityIframePort$1(iframe, url, this.deps_, args);
+    const activityPort = new ActivityIframePort(iframe, url, this.deps_, args);
     return activityPort.connect().then(() => activityPort);
   }
 
@@ -7825,7 +7825,7 @@ function getExperiments(win) {
     experimentMap = {};
     let combinedExperimentString = experimentsString;
     try {
-      const query = parseQueryString$1(win.location.hash);
+      const query = parseQueryString(win.location.hash);
       const experimentStringFromHash = query['swg.experiments'];
       if (experimentStringFromHash) {
         combinedExperimentString += ',' + experimentStringFromHash;
@@ -8047,7 +8047,7 @@ class AnalyticsService {
       'iframe',
       {}
     ));
-    setImportantStyles(this.iframe_, iframeStyles);
+    setImportantStyles$1(this.iframe_, iframeStyles);
     this.doc_.getBody().appendChild(this.getElement());
 
     /** @private @type {!boolean} */
@@ -8192,11 +8192,11 @@ class AnalyticsService {
     } else {
       context.setTransactionId(getUuid());
     }
-    context.setReferringOrigin(parseUrl$1(this.getReferrer_()).origin);
-    context.setClientVersion('SwG 0.1.22.150');
+    context.setReferringOrigin(parseUrl(this.getReferrer_()).origin);
+    context.setClientVersion('SwG 0.1.22.151');
     context.setUrl(getCanonicalUrl(this.doc_));
 
-    const utmParams = parseQueryString$1(this.getQueryString_());
+    const utmParams = parseQueryString(this.getQueryString_());
     const campaign = utmParams['utm_campaign'];
     const medium = utmParams['utm_medium'];
     const source = utmParams['utm_source'];
@@ -8530,7 +8530,7 @@ class SmartSubscriptionButtonApi {
    * @return {!Element}
    */
   start() {
-    setImportantStyles(this.iframe_, {
+    setImportantStyles$1(this.iframe_, {
       'opacity': 1,
       'position': 'absolute',
       'top': 0,
@@ -8654,7 +8654,7 @@ function getLanguageCodeFromElement(element) {
 /** @type {!Object<string, string>} */
 const TITLE_LANG_MAP = {
   'en': 'Subscribe with Google',
-  'ar': 'Google اشترك مع',
+  'ar': 'Google اشترك مع',
   'de': 'Abonnieren mit Google',
   'es': 'Suscríbete con Google',
   'es-latam': 'Suscríbete con Google',
@@ -9440,7 +9440,7 @@ class DeferredAccountFlow {
 
     // Start the "sync" flow.
     creatingFlow.start(
-      new SubscribeResponse$1(
+      new SubscribeResponse(
         '', // raw field doesn't matter in this case
         purchaseDataList[0],
         userData,
@@ -9453,7 +9453,7 @@ class DeferredAccountFlow {
   }
 }
 
-const CSS = "body{padding:0;margin:0}swg-container,swg-loading,swg-loading-animate,swg-loading-image{display:block}swg-loading-container{width:100%!important;display:-ms-flexbox!important;display:flex!important;-ms-flex-align:center!important;align-items:center!important;-ms-flex-pack:center!important;justify-content:center!important;min-height:148px!important;height:100%!important;bottom:0!important;margin-top:5px!important;z-index:2147483647!important}@media (min-height:630px), (min-width:630px){swg-loading-container{width:560px!important;margin-left:35px!important;border-top-left-radius:8px!important;border-top-right-radius:8px!important;background-color:#fff!important;box-shadow:0 1px 1px rgba(60,64,67,.3),0 1px 4px 1px rgba(60,64,67,.15)!important}}swg-loading{z-index:2147483647!important;width:36px;height:36px;overflow:hidden;animation:mspin-rotate 1568.63ms linear infinite}swg-loading-animate{animation:mspin-revrot 5332ms steps(4) infinite}swg-loading-image{background-image:url(https://news.google.com/swg/js/v1/loader.svg);background-size:100%;width:11664px;height:36px;animation:swg-loading-film 5332ms steps(324) infinite}@keyframes swg-loading-film{0%{transform:translateX(0)}to{transform:translateX(-11664px)}}@keyframes mspin-rotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes mspin-revrot{0%{transform:rotate(0deg)}to{transform:rotate(-1turn)}}\n/*# sourceURL=/./src/ui/ui.css*/";
+const CSS$1 = "body{padding:0;margin:0}swg-container,swg-loading,swg-loading-animate,swg-loading-image{display:block}swg-loading-container{width:100%!important;display:-ms-flexbox!important;display:flex!important;-ms-flex-align:center!important;align-items:center!important;-ms-flex-pack:center!important;justify-content:center!important;min-height:148px!important;height:100%!important;bottom:0!important;margin-top:5px!important;z-index:2147483647!important}@media (min-height:630px), (min-width:630px){swg-loading-container{width:560px!important;margin-left:35px!important;border-top-left-radius:8px!important;border-top-right-radius:8px!important;background-color:#fff!important;box-shadow:0 1px 1px rgba(60,64,67,.3),0 1px 4px 1px rgba(60,64,67,.15)!important}}swg-loading{z-index:2147483647!important;width:36px;height:36px;overflow:hidden;animation:mspin-rotate 1568.63ms linear infinite}swg-loading-animate{animation:mspin-revrot 5332ms steps(4) infinite}swg-loading-image{background-image:url(https://news.google.com/swg/js/v1/loader.svg);background-size:100%;width:11664px;height:36px;animation:swg-loading-film 5332ms steps(324) infinite}@keyframes swg-loading-film{0%{transform:translateX(0)}to{transform:translateX(-11664px)}}@keyframes mspin-rotate{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes mspin-revrot{0%{transform:rotate(0deg)}to{transform:rotate(-1turn)}}\n/*# sourceURL=/./src/ui/ui.css*/";
 
 /**
  * Copyright 2018 The Subscribe with Google Authors. All Rights Reserved.
@@ -9578,14 +9578,14 @@ class FriendlyIframe {
  * @param {string} curve - transition function for the animation.
  * @return {!Promise} Promise which resolves once the animation is done playing.
  */
-function transition(el, props, durationMillis, curve) {
+function transition$1(el, props, durationMillis, curve) {
   const win = el.ownerDocument.defaultView;
   const previousTransitionValue = el.style.transition || '';
   return new Promise((resolve) => {
     win.setTimeout(() => {
       win.setTimeout(resolve, durationMillis);
       const tr = `${durationMillis}ms ${curve}`;
-      setImportantStyles(
+      setImportantStyles$1(
         el,
         Object.assign(
           {
@@ -9596,7 +9596,7 @@ function transition(el, props, durationMillis, curve) {
       );
     });
   }).then(() => {
-    setImportantStyles(el, {
+    setImportantStyles$1(el, {
       'transition': previousTransitionValue,
     });
   });
@@ -9618,7 +9618,7 @@ function transition(el, props, durationMillis, curve) {
  * limitations under the License.
  */
 
-class Graypane {
+class Graypane$1 {
   /**
    * @param {!../model/doc.Doc} doc
    * @param {number} zIndex
@@ -9631,7 +9631,7 @@ class Graypane {
     this.fadeBackground_ = this.doc_
       .getWin()
       .document.createElement('swg-popup-background');
-    setImportantStyles(this.fadeBackground_, {
+    setImportantStyles$1(this.fadeBackground_, {
       'z-index': zIndex,
       'display': 'none',
       'position': 'fixed',
@@ -9677,12 +9677,12 @@ class Graypane {
    * @return {!Promise|undefined}
    */
   show(animated = true) {
-    setImportantStyles(this.fadeBackground_, {
+    setImportantStyles$1(this.fadeBackground_, {
       'display': 'block',
       'opacity': animated ? 0 : 1,
     });
     if (animated) {
-      return transition(
+      return transition$1(
         this.fadeBackground_,
         {
           'opacity': 1,
@@ -9700,7 +9700,7 @@ class Graypane {
    */
   hide(animated = true) {
     if (animated) {
-      return transition(
+      return transition$1(
         this.fadeBackground_,
         {
           'opacity': 0,
@@ -9708,10 +9708,10 @@ class Graypane {
         300,
         'ease-out'
       ).then(() => {
-        setImportantStyles(this.fadeBackground_, {'display': 'none'});
+        setImportantStyles$1(this.fadeBackground_, {'display': 'none'});
       });
     }
-    setImportantStyles(this.fadeBackground_, {'display': 'none'});
+    setImportantStyles$1(this.fadeBackground_, {'display': 'none'});
   }
 }
 
@@ -10063,14 +10063,14 @@ class Dialog {
     });
 
     /** @private @const {!Graypane} */
-    this.graypane_ = new Graypane(doc, Z_INDEX - 1);
+    this.graypane_ = new Graypane$1(doc, Z_INDEX - 1);
 
     const modifiedImportantStyles = Object.assign(
       {},
       rootElementImportantStyles,
       importantStyles
     );
-    setImportantStyles(this.iframe_.getElement(), modifiedImportantStyles);
+    setImportantStyles$1(this.iframe_.getElement(), modifiedImportantStyles);
 
     setStyles(this.iframe_.getElement(), styles);
 
@@ -10113,7 +10113,7 @@ class Dialog {
     this.graypane_.attach();
 
     if (hidden) {
-      setImportantStyles(iframe.getElement(), {
+      setImportantStyles$1(iframe.getElement(), {
         'visibility': 'hidden',
         'opacity': 0,
       });
@@ -10148,7 +10148,7 @@ class Dialog {
     const iframeDoc = /** @type {!HTMLDocument} */ (this.iframe_.getDocument());
 
     // Inject Google fonts in <HEAD> section of the iframe.
-    injectStyleSheet(resolveDoc(iframeDoc), CSS);
+    injectStyleSheet(resolveDoc(iframeDoc), CSS$1);
 
     // Add Loading indicator.
     this.loadingView_ = new LoadingView(iframeDoc);
@@ -10170,7 +10170,7 @@ class Dialog {
     if (animated) {
       animating = this.animate_(() => {
         this.graypane_.hide(/* animate */ true);
-        return transition(
+        return transition$1(
           this.getElement(),
           {
             'transform': 'translateY(100%)',
@@ -10268,7 +10268,7 @@ class Dialog {
    * @return {!Promise}
    */
   openView(view) {
-    setImportantStyles(view.getElement(), resetViewStyles);
+    setImportantStyles$1(view.getElement(), resetViewStyles);
     this.entryTransitionToNextView_();
 
     this.view_ = view;
@@ -10280,7 +10280,7 @@ class Dialog {
     }
 
     return view.init(this).then(() => {
-      setImportantStyles(view.getElement(), {
+      setImportantStyles$1(view.getElement(), {
         'opacity': 1,
       });
       if (this.hidden_) {
@@ -10299,12 +10299,12 @@ class Dialog {
    */
   show_() {
     this.animate_(() => {
-      setImportantStyles(this.getElement(), {
+      setImportantStyles$1(this.getElement(), {
         'transform': 'translateY(100%)',
         'opactiy': 1,
         'visibility': 'visible',
       });
-      return transition(
+      return transition$1(
         this.getElement(),
         {
           'transform': 'translateY(0)',
@@ -10337,11 +10337,11 @@ class Dialog {
       if (newHeight >= oldHeight) {
         // Expand.
         animating = this.animate_(() => {
-          setImportantStyles(this.getElement(), {
+          setImportantStyles$1(this.getElement(), {
             'height': `${newHeight}px`,
             'transform': `translateY(${newHeight - oldHeight}px)`,
           });
-          return transition(
+          return transition$1(
             this.getElement(),
             {
               'transform': 'translateY(0)',
@@ -10353,7 +10353,7 @@ class Dialog {
       } else {
         // Collapse.
         animating = this.animate_(() => {
-          return transition(
+          return transition$1(
             this.getElement(),
             {
               'transform': `translateY(${oldHeight - newHeight}px)`,
@@ -10361,7 +10361,7 @@ class Dialog {
             300,
             'ease-out'
           ).then(() => {
-            setImportantStyles(this.getElement(), {
+            setImportantStyles$1(this.getElement(), {
               'height': `${newHeight}px`,
               'transform': 'translateY(0)',
             });
@@ -10369,7 +10369,7 @@ class Dialog {
         });
       }
     } else {
-      setImportantStyles(this.getElement(), {
+      setImportantStyles$1(this.getElement(), {
         'height': `${newHeight}px`,
       });
       animating = Promise.resolve();
@@ -10424,7 +10424,7 @@ class Dialog {
    * Sets the position of the dialog. Currently 'BOTTOM' is set by default.
    */
   setPosition_() {
-    setImportantStyles(this.getElement(), this.getPositionStyle_());
+    setImportantStyles$1(this.getElement(), this.getPositionStyle_());
   }
 
   /**
@@ -10437,7 +10437,7 @@ class Dialog {
     if (this.inferPosition_() == PositionAt.BOTTOM) {
       const bottomPadding = newHeight + 20; // Add some extra padding.
       const htmlElement = this.doc_.getRootElement();
-      setImportantStyles(htmlElement, {
+      setImportantStyles$1(htmlElement, {
         'padding-bottom': `${bottomPadding}px`,
       });
     }
@@ -10531,7 +10531,7 @@ class DialogManager {
     this.openPromise_ = null;
 
     /** @private @const {!Graypane} */
-    this.popupGraypane_ = new Graypane(doc, POPUP_Z_INDEX);
+    this.popupGraypane_ = new Graypane$1(doc, POPUP_Z_INDEX);
 
     /** @private {?Window} */
     this.popupWin_ = null;
@@ -10867,13 +10867,13 @@ class MeterToastApi {
     );
     const element = this.dialogManager_.getDialog().getElement();
     if (mobileMediaQuery.matches) {
-      setImportantStyles(element, {'box-shadow': IFRAME_BOX_SHADOW});
+      setImportantStyles$1(element, {'box-shadow': IFRAME_BOX_SHADOW});
     }
     mobileMediaQuery.addListener((changed) => {
       if (changed.matches) {
-        setImportantStyles(element, {'box-shadow': IFRAME_BOX_SHADOW});
+        setImportantStyles$1(element, {'box-shadow': IFRAME_BOX_SHADOW});
       } else {
-        setImportantStyles(element, {'box-shadow': ''});
+        setImportantStyles$1(element, {'box-shadow': ''});
       }
     });
   }
@@ -10891,7 +10891,7 @@ class MeterToastApi {
         .getDialog()
         .getLoadingView()
         .getElement();
-      setImportantStyles(element, {
+      setImportantStyles$1(element, {
         'width': MINIMIZED_IFRAME_SIZE,
         'margin': 'auto',
       });
@@ -10944,7 +10944,7 @@ const toastImportantStyles = {
 };
 
 /** @const {!Object<string, string>} */
-const iframeAttributes$2 = {
+const iframeAttributes = {
   'frameborder': '0',
   'scrolling': 'no',
   'class': 'swg-toast',
@@ -10979,10 +10979,10 @@ class Toast {
     this.iframe_ = /** @type {!HTMLIFrameElement} */ (createElement(
       this.doc_.getWin().document,
       'iframe',
-      iframeAttributes$2
+      iframeAttributes
     ));
 
-    setImportantStyles(this.iframe_, toastImportantStyles);
+    setImportantStyles$1(this.iframe_, toastImportantStyles);
 
     /** @private @const {!Promise} */
     this.ready_ = new Promise((resolve) => {
@@ -11021,12 +11021,12 @@ class Toast {
         resetStyles(this.iframe_, ['height']);
 
         this.animate_(() => {
-          setImportantStyles(this.iframe_, {
+          setImportantStyles$1(this.iframe_, {
             'transform': 'translateY(100%)',
             'opactiy': 1,
             'visibility': 'visible',
           });
-          return transition(
+          return transition$1(
             this.iframe_,
             {
               'transform': 'translateY(0)',
@@ -11078,7 +11078,7 @@ class Toast {
         return Promise.resolve();
       }, 500);
 
-      return transition(
+      return transition$1(
         this.iframe_,
         {
           'transform': 'translateY(100%)',
@@ -11211,6 +11211,50 @@ function analyticsEventToEntitlementResult(event) {
   return AnalyticsEventToEntitlementResult[event];
 }
 
+/**
+ * Copyright 2020 The Subscribe with Google Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS-IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Returns true if the query string contains fresh Google Article Access (GAA) params.
+ * @param {string} queryString
+ * @return {boolean}
+ */
+function queryStringHasFreshGaaParams(queryString) {
+  const params = parseQueryString(queryString);
+
+  // Verify GAA params exist.
+  if (
+    !params['gaa_at'] ||
+    !params['gaa_n'] ||
+    !params['gaa_sig'] ||
+    !params['gaa_ts']
+  ) {
+    return false;
+  }
+
+  // Verify timestamp isn't stale.
+  const expirationTimestamp = parseInt(params['gaa_ts'], 16);
+  const currentTimestamp = Date.now() / 1000;
+  if (expirationTimestamp < currentTimestamp) {
+    return false;
+  }
+
+  return true;
+}
+
 /**
  * Copyright 2020 The Subscribe with Google Authors. All Rights Reserved.
  *
@@ -11307,7 +11351,7 @@ class EntitlementsManager {
 
     this.deps_
       .eventManager()
-      .registerEventListener(this.handleClientEvent_.bind(this));
+      .registerEventListener(this.possiblyPingbackOnClientEvent_.bind(this));
   }
 
   /**
@@ -11397,6 +11441,11 @@ class EntitlementsManager {
     if (!entitlement || entitlement.source !== GOOGLE_METERING_SOURCE) {
       return;
     }
+    // Verify GAA params are present, otherwise bail since the pingback
+    // shouldn't happen on non-metering requests.
+    if (!queryStringHasFreshGaaParams(this.win_.location.search)) {
+      return;
+    }
 
     this.deps_
       .eventManager()
@@ -11415,7 +11464,13 @@ class EntitlementsManager {
   // Listens for events from the event manager and informs
   // the server about publisher entitlements and non-
   // consumable Google entitlements.
-  handleClientEvent_(event) {
+  possiblyPingbackOnClientEvent_(event) {
+    // Verify GAA params are present, otherwise bail since the pingback
+    // shouldn't happen on non-metering requests.
+    if (!queryStringHasFreshGaaParams(this.win_.location.search)) {
+      return;
+    }
+
     // A subset of analytics events are also an entitlement result
     const result = analyticsEventToEntitlementResult(event.eventType);
     if (!result) {
@@ -11441,7 +11496,6 @@ class EntitlementsManager {
       default:
         return;
     }
-
     this.postEntitlementsRequest_(new EntitlementJwt(), result, source);
   }
 
@@ -11965,19 +12019,21 @@ class Xhr {
    * @return {!Promise<!FetchResponse>}
    */
   fetch(input, init) {
-    // TODO (avimehta): Figure out if CORS needs be handled the way AMP does it.
     init = setupInit(init);
     return this.fetch_(input, init)
-      .then(
-        (response) => response,
-        (reason) => {
-          const targetOrigin = parseUrl$1(input).origin;
-          throw new Error(
-            `XHR Failed fetching (${targetOrigin}/...):`,
-            reason && reason.message
-          );
-        }
-      )
+      .catch((reason) => {
+        /*
+         * If the domain is not valid for SwG we return 404 without
+         * CORS headers and the browser throws a CORS error.
+         * We include some helpful text in the message to point the
+         * publisher towards the real problem.
+         */
+        const targetOrigin = parseUrl(input).origin;
+        throw new Error(
+          `XHR Failed fetching (${targetOrigin}/...): (Note: a CORS error above may indicate that this domain is not configured for Subscribe with Google)`,
+          reason && reason.message
+        );
+      })
       .then((response) => assertSuccess(response));
   }
 }
@@ -12326,7 +12382,13 @@ class XhrFetcher {
       headers: {'Accept': 'text/plain, application/json'},
       credentials: 'include',
     });
-    return this.fetch(url, init).then((response) => response.json());
+    return this.fetch(url, init).then((response) => {
+      return response.text().then((text) => {
+        // Remove "")]}'\n" XSSI prevention prefix in safe responses.
+        const cleanedText = text.replace(/^(\)\]\}'\n)/, '');
+        return parseJson(cleanedText);
+      });
+    });
   }
 
   sendPost(url, message) {
@@ -13201,7 +13263,7 @@ class OffersApi {
  * limitations under the License.
  */
 
-const MAX_Z_INDEX = 2147483647;
+const MAX_Z_INDEX$1 = 2147483647;
 
 const Constants = {};
 
@@ -13326,7 +13388,7 @@ Constants.IFRAME_STYLE = `
     overflow: visible;
     position: fixed;
     width: 100%;
-    z-index: ${MAX_Z_INDEX};
+    z-index: ${MAX_Z_INDEX$1};
     -webkit-appearance: none;
     left: 0;
 }
@@ -13370,7 +13432,7 @@ Constants.IFRAME_STYLE_CENTER = `
   top: 100%;
   transform: scale(0.8);
   width: 480px;
-  z-index: ${MAX_Z_INDEX};
+  z-index: ${MAX_Z_INDEX$1};
   -webkit-appearance: none;
 }
 @media (min-height: 667px) {
@@ -13806,10 +13868,10 @@ class PaymentsRequestDelegate {
  * limitations under the License.
  */
 
-const MAX_Z_INDEX$1 = 2147483647;
+const MAX_Z_INDEX = 2147483647;
 
 
-class Graypane$1 {
+class Graypane {
 
   /**
    * @param {!Document} doc
@@ -13820,8 +13882,8 @@ class Graypane$1 {
 
     /** @private @const {!Element} */
     this.element_ = doc.createElement(Constants.GPAY_GRAYPANE);
-    setImportantStyles$1(this.element_, {
-      'z-index': MAX_Z_INDEX$1,
+    setImportantStyles(this.element_, {
+      'z-index': MAX_Z_INDEX,
       'display': 'none',
       'position': 'fixed',
       'top': 0,
@@ -13853,11 +13915,11 @@ class Graypane$1 {
   show(popupWindow) {
     this.popupWindow_ = popupWindow || null;
     this.doc_.body.appendChild(this.element_);
-    setImportantStyles$1(this.element_, {
+    setImportantStyles(this.element_, {
       'display': 'block',
       'opacity': 0,
     });
-    return transition$1(this.element_, {
+    return transition(this.element_, {
       'opacity': 1,
     }, 300, 'ease-out');
   }
@@ -13873,10 +13935,10 @@ class Graypane$1 {
       // This could be possible after redirect.
       return;
     }
-    return transition$1(this.element_, {
+    return transition(this.element_, {
       'opacity': 0,
     }, 300, 'ease-out').then(() => {
-      setImportantStyles$1(this.element_, {'display': 'none'});
+      setImportantStyles(this.element_, {'display': 'none'});
       this.doc_.body.removeChild(this.element_);
     });
   }
@@ -13893,7 +13955,7 @@ class Graypane$1 {
  * @param {!Element} element
  * @param {!Object<string, string|number>} styles
  */
-function setImportantStyles$1(element, styles) {
+function setImportantStyles(element, styles) {
   for (const k in styles) {
     element.style.setProperty(k, styles[k].toString(), 'important');
   }
@@ -13908,20 +13970,20 @@ function setImportantStyles$1(element, styles) {
  * @param {string} curve - transition function for the animation.
  * @return {!Promise} Promise which resolves once the animation is done playing.
  */
-function transition$1(el, props, durationMillis, curve) {
+function transition(el, props, durationMillis, curve) {
   const win = el.ownerDocument.defaultView;
   const previousTransitionValue = el.style.transition || '';
   return new Promise(resolve => {
     win.setTimeout(() => {
       win.setTimeout(resolve, durationMillis);
       const tr = `${durationMillis}ms ${curve}`;
-      setImportantStyles$1(el, Object.assign({
+      setImportantStyles(el, Object.assign({
         'transition': `transform ${tr}, opacity ${tr}`,
       }, props));
     });
   }).then(() => {
     // Stop transition and make sure that the final properties get set.
-    setImportantStyles$1(el, Object.assign({
+    setImportantStyles(el, Object.assign({
       'transition': previousTransitionValue,
     }, props));
   });
@@ -14753,7 +14815,7 @@ class PaymentsWebActivityDelegate {
     /** @const {!ActivityPorts} */
     this.activities = activities || new activityPorts_1(window);
     /** @const @private {!Graypane} */
-    this.graypane_ = new Graypane$1(window.document);
+    this.graypane_ = new Graypane(window.document);
     /** @private {?function(!Promise<!PaymentData>)} */
     this.callback_ = null;
     /**
@@ -15598,10 +15660,10 @@ Dual licensed under the MIT and GPL licenses.
  */
 
 class Random_uuid {}  // Private array of chars to use
-  var CHARS$1 = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
+  var CHARS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
 
   Random_uuid.uuid = function (len, radix) {
-    var chars = CHARS$1, uuid = [], i;
+    var chars = CHARS, uuid = [], i;
     radix = radix || chars.length;
 
     if (len) {
@@ -15631,7 +15693,7 @@ class Random_uuid {}  // Private array of chars to use
   // A more performant, but slightly bulkier, RFC4122v4 solution.  We boost performance
   // by minimizing calls to random()
   Random_uuid.uuidFast = function() {
-    var chars = CHARS$1, uuid = new Array(36), rnd=0, r;
+    var chars = CHARS, uuid = new Array(36), rnd=0, r;
     for (var i = 0; i < 36; i++) {
       if (i==8 || i==13 ||  i==18 || i==23) {
         uuid[i] = '-';
@@ -17041,7 +17103,7 @@ class Propensity {
   }
 }
 
-const CSS$1 = ".swg-dialog,.swg-toast{box-sizing:border-box;background-color:#fff!important}.swg-toast{position:fixed!important;bottom:0!important;max-height:46px!important;z-index:2147483647!important;border:none!important}@media (max-height:640px), (max-width:640px){.swg-dialog,.swg-toast{width:480px!important;left:-240px!important;margin-left:50vw!important;border-top-left-radius:8px!important;border-top-right-radius:8px!important;box-shadow:0 1px 1px rgba(60,64,67,.3),0 1px 4px 1px rgba(60,64,67,.15)!important}}@media (min-width:640px) and (min-height:640px){.swg-dialog{width:630px!important;left:-315px!important;margin-left:50vw!important;background-color:transparent!important;border:none!important}.swg-toast{left:0!important}}@media (max-width:480px){.swg-dialog,.swg-toast{width:100%!important;left:0!important;right:0!important;margin-left:0!important}}\n/*# sourceURL=/./src/components/dialog.css*/";
+const CSS = ".swg-dialog,.swg-toast{box-sizing:border-box;background-color:#fff!important}.swg-toast{position:fixed!important;bottom:0!important;max-height:46px!important;z-index:2147483647!important;border:none!important}@media (max-height:640px), (max-width:640px){.swg-dialog,.swg-toast{width:480px!important;left:-240px!important;margin-left:50vw!important;border-top-left-radius:8px!important;border-top-right-radius:8px!important;box-shadow:0 1px 1px rgba(60,64,67,.3),0 1px 4px 1px rgba(60,64,67,.15)!important}}@media (min-width:640px) and (min-height:640px){.swg-dialog{width:630px!important;left:-315px!important;margin-left:50vw!important;background-color:transparent!important;border:none!important}.swg-toast{left:0!important}}@media (max-width:480px){.swg-dialog,.swg-toast{width:100%!important;left:0!important;right:0!important;margin-left:0!important}}\n/*# sourceURL=/./src/components/dialog.css*/";
 
 /**
  * Copyright 2018 The Subscribe with Google Authors. All Rights Reserved.
@@ -17220,50 +17282,6 @@ class WaitForSubscriptionLookupApi {
   }
 }
 
-/**
- * Copyright 2020 The Subscribe with Google Authors. All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Returns true if the query string contains fresh Google Article Access (GAA) params.
- * @param {string} queryString
- * @return {boolean}
- */
-function queryStringHasFreshGaaParams(queryString) {
-  const params = parseQueryString$1(queryString);
-
-  // Verify GAA params exist.
-  if (
-    !params['gaa_at'] ||
-    !params['gaa_n'] ||
-    !params['gaa_sig'] ||
-    !params['gaa_ts']
-  ) {
-    return false;
-  }
-
-  // Verify timestamp isn't stale.
-  const expirationTimestamp = parseInt(params['gaa_ts'], 16);
-  const currentTimestamp = Date.now() / 1000;
-  if (expirationTimestamp < currentTimestamp) {
-    return false;
-  }
-
-  return true;
-}
-
 /**
  * Copyright 2018 The Subscribe with Google Authors. All Rights Reserved.
  *
@@ -17343,7 +17361,7 @@ class ConfiguredRuntime {
     // WARNING: DepsDef ('this') is being progressively defined below.
     // Constructors will crash if they rely on something that doesn't exist yet.
     /** @private @const {!../components/activities.ActivityPorts} */
-    this.activityPorts_ = new ActivityPorts$1(this);
+    this.activityPorts_ = new ActivityPorts(this);
 
     /** @private @const {!AnalyticsService} */
     this.analyticsService_ = new AnalyticsService(this, this.fetcher_);
@@ -17388,7 +17406,7 @@ class ConfiguredRuntime {
     LinkCompleteFlow.configurePending(this);
     PayCompleteFlow.configurePending(this);
 
-    injectStyleSheet(this.doc_, CSS$1);
+    injectStyleSheet(this.doc_, CSS);
 
     // Report redirect errors if any.
     this.activityPorts_.onRedirectError((error) => {
@@ -17451,6 +17469,11 @@ class ConfiguredRuntime {
     return this.storage_;
   }
 
+  /** @override */
+  clientConfigManager() {
+    return null;
+  }
+
   /** @override */
   analytics() {
     return this.analyticsService_;
@@ -17813,7 +17836,7 @@ class ConfiguredRuntime {
     if (
       !entitlement ||
       !isSecure(this.win().location) ||
-      !wasReferredByGoogle(parseUrl$1(this.win().document.referrer)) ||
+      !wasReferredByGoogle(parseUrl(this.win().document.referrer)) ||
       !queryStringHasFreshGaaParams(this.win().location.search)
     ) {
       return;
@@ -17843,4 +17866,4 @@ class ConfiguredRuntime {
   }
 }
 
-export { AnalyticsEvent, ClientEvent, ClientEventManagerApi, ConfiguredRuntime, DeferredAccountCreationResponse, Entitlement, Entitlements, EventOriginator, Fetcher, FilterResult, PurchaseData, SubscribeResponse$1 as SubscribeResponse, UserData };
+export { AnalyticsEvent, ClientEvent, ClientEventManagerApi, ConfiguredRuntime, DeferredAccountCreationResponse, Entitlement, Entitlements, EventOriginator, Fetcher, FilterResult, PurchaseData, SubscribeResponse, UserData };