🤖 Merge PR DefinitelyTyped#74684 Sync latest changes to @types/google-publisher-tag by @google-publisher-tag

Co-authored-by: jimper <jimper@users.noreply.github.com>

Author: google-publisher-tag

types/google-publisher-tag/google-publisher-tag-tests.ts

@@ -1,5 +1,5 @@
 // Tests for Google Publisher Tag 1.20260309
-// Synced from: https://github.com/googleads/google-publisher-tag-types/commit/27374b01c38e0f8a66fe8181574edee6d5570200
+// Synced from: https://github.com/googleads/google-publisher-tag-types/commit/b016c4944f367bc81fd32a072d0648154987849d
 
 // Test for googletag.cmd
 function test_googletag_cmd() {
@@ -666,6 +666,16 @@ function test_googletag_config_adExpansionConfig() {
     });
 }
 
+// Test for googletag.config.AutoRefreshConfig.heavyAds
+function test_googletag_config_autoRefreshConfig_heavyAds() {
+    // Set the auto refresh configuration, disabling auto refresh on heavy
+    // ad intervention.
+    googletag.setConfig({ autoRefresh: { heavyAds: false } });
+
+    // Clear the auto refresh configuration, restoring to default behavior.
+    googletag.setConfig({ autoRefresh: null });
+}
+
 // Test for googletag.config.PageSettingsConfig.threadYield
 function test_googletag_config_pageSettingsConfig_threadYield() {
     // Disable yielding.
@@ -816,6 +826,15 @@ function test_googletag_config_pageSettingsConfig_adsenseAttributes() {
     googletag.setConfig({ adsenseAttributes: null });
 }
 
+// Test for googletag.config.PageSettingsConfig.autoRefresh
+function test_googletag_config_pageSettingsConfig_autoRefresh() {
+    // Set the auto refresh configuration.
+    googletag.setConfig({ autoRefresh: { heavyAds: false } });
+
+    // Clear the auto refresh configuration.
+    googletag.setConfig({ autoRefresh: null });
+}
+
 // Test for googletag.config.PrivacyTreatmentsConfig.treatments
 function test_googletag_config_privacyTreatmentsConfig_treatments() {
     // Disable personalization across the entire page.

types/google-publisher-tag/index.d.ts

@@ -1864,6 +1864,27 @@ declare namespace googletag {
             adsense_test_mode?: "on" | null;
         }
 
+        /**
+         * Auto refresh configuration settings.
+         */
+        interface AutoRefreshConfig {
+            /**
+             * Whether GPT will automatically refresh an ad slot if Chrome's Heavy Ad
+             * Intervention triggers on the slot's ad iframe. Defaults to `true`.
+             *
+             * @example
+             *   // Set the auto refresh configuration, disabling auto refresh on heavy
+             *   // ad intervention.
+             *   googletag.setConfig({autoRefresh: {heavyAds: false}});
+             *
+             *   // Clear the auto refresh configuration, restoring to default behavior.
+             *   googletag.setConfig({autoRefresh: null});
+             *
+             * @see [Understand Chrome's Heavy Ad Interventions](https://developer.chrome.com/docs/web-platform/heavy-ads-intervention)
+             */
+            heavyAds?: boolean;
+        }
+
         /**
          * Settings to control the use of lazy loading in GPT.
          *
@@ -2279,6 +2300,18 @@ declare namespace googletag {
              *   googletag.setConfig({adsenseAttributes: null});
              */
             adsenseAttributes?: AdSenseAttributesConfig | null;
+
+            /**
+             * Setting to configure automatic ad refresh behavior.
+             *
+             * @example
+             *   // Set the auto refresh configuration.
+             *   googletag.setConfig({autoRefresh: {heavyAds: false}});
+             *
+             *   // Clear the auto refresh configuration.
+             *   googletag.setConfig({autoRefresh: null});
+             */
+            autoRefresh?: AutoRefreshConfig | null;
         }
 
         /**