@@ -216,7 +216,7 @@ export namespace BrowserPool {
216216 */
217217 export interface BrowserPoolConfig {
218218 /**
219- * Number of browsers to maintain in the pool. The maximum size is determined by
219+ * Number of browsers maintained in the pool. The maximum size is determined by
220220 * your organization's pooled sessions limit (the sum of all pool sizes cannot
221221 * exceed your limit).
222222 */
@@ -226,7 +226,8 @@ export namespace BrowserPool {
226226 * Custom Chrome enterprise policy overrides applied to all browsers in this pool.
227227 * Keys are Chrome enterprise policy names; values must match their expected types.
228228 * Blocked: kernel-managed policies (extensions, proxy, CDP/automation). See
229- * https://chromeenterprise.google/policies/
229+ * https://chromeenterprise.google/policies/ The serialized JSON payload is capped
230+ * at 5 MiB.
230231 */
231232 chrome_policy ?: { [ key : string ] : unknown } ;
232233
@@ -236,14 +237,13 @@ export namespace BrowserPool {
236237 extensions ?: Array < Shared . BrowserExtension > ;
237238
238239 /**
239- * Percentage of the pool to fill per minute. Defaults to 10. The cap is 25 for
240- * most organizations but can be raised per-organization, so only the lower bound
241- * is enforced here.
240+ * Percentage of the pool to fill per minute. The cap is 25 for most organizations
241+ * but can be raised per-organization, so only the lower bound is enforced here.
242242 */
243243 fill_rate_per_minute ?: number ;
244244
245245 /**
246- * If true, launches the browser using a headless image. Defaults to false.
246+ * If true, launches the browser using a headless image.
247247 */
248248 headless ?: boolean ;
249249
@@ -268,8 +268,8 @@ export namespace BrowserPool {
268268 profile ?: BrowserPoolConfig . Profile ;
269269
270270 /**
271- * Optional proxy to associate to the browser session. Must reference a proxy in
272- * the same project as the browser session.
271+ * Optional proxy associated to the browser session. References a proxy in the same
272+ * project as the browser session.
273273 */
274274 proxy_id ?: string ;
275275
@@ -297,7 +297,7 @@ export namespace BrowserPool {
297297
298298 /**
299299 * Default idle timeout in seconds for browsers acquired from this pool before they
300- * are destroyed. Defaults to 600 seconds. Minimum 10, maximum 259200 (72 hours).
300+ * are destroyed. Minimum 10, maximum 259200 (72 hours).
301301 */
302302 timeout_seconds ?: number ;
303303
@@ -485,7 +485,8 @@ export interface BrowserPoolCreateParams {
485485 * Custom Chrome enterprise policy overrides applied to all browsers in this pool.
486486 * Keys are Chrome enterprise policy names; values must match their expected types.
487487 * Blocked: kernel-managed policies (extensions, proxy, CDP/automation). See
488- * https://chromeenterprise.google/policies/
488+ * https://chromeenterprise.google/policies/ The serialized JSON payload is capped
489+ * at 5 MiB.
489490 */
490491 chrome_policy ?: { [ key : string ] : unknown } ;
491492
@@ -508,7 +509,7 @@ export interface BrowserPoolCreateParams {
508509
509510 /**
510511 * If true, launches the browser in kiosk mode to hide address bar and tabs in live
511- * view.
512+ * view. Defaults to false.
512513 */
513514 kiosk_mode ?: boolean ;
514515
@@ -550,7 +551,7 @@ export interface BrowserPoolCreateParams {
550551
551552 /**
552553 * If true, launches the browser in stealth mode to reduce detection by anti-bot
553- * mechanisms.
554+ * mechanisms. Defaults to false.
554555 */
555556 stealth ?: boolean ;
556557
@@ -601,10 +602,12 @@ export namespace BrowserPoolCreateParams {
601602
602603export interface BrowserPoolUpdateParams {
603604 /**
604- * Custom Chrome enterprise policy overrides applied to all browsers in this pool.
605- * Keys are Chrome enterprise policy names; values must match their expected types.
605+ * If provided, replaces the custom Chrome enterprise policy overrides applied to
606+ * all browsers in this pool. Empty object clears any previously-set policy. Keys
607+ * are Chrome enterprise policy names; values must match their expected types.
606608 * Blocked: kernel-managed policies (extensions, proxy, CDP/automation). See
607- * https://chromeenterprise.google/policies/
609+ * https://chromeenterprise.google/policies/ The serialized JSON payload is capped
610+ * at 5 MiB.
608611 */
609612 chrome_policy ?: { [ key : string ] : unknown } ;
610613
@@ -619,30 +622,31 @@ export interface BrowserPoolUpdateParams {
619622 discard_all_idle ?: boolean ;
620623
621624 /**
622- * List of browser extensions to load into the session. Provide each by id or name.
625+ * If provided, replaces the extension list. Empty array clears all
626+ * previously-selected extensions. Omit this field to leave extensions unchanged.
623627 */
624628 extensions ?: Array < Shared . BrowserExtension > ;
625629
626630 /**
627- * Percentage of the pool to fill per minute. Defaults to 10. The cap is 25 for
628- * most organizations but can be raised per-organization, so only the lower bound
629- * is enforced here.
631+ * If provided, replaces the percentage of the pool to fill per minute. The cap is
632+ * 25 for most organizations but can be raised per-organization, so only the lower
633+ * bound is enforced here.
630634 */
631635 fill_rate_per_minute ?: number ;
632636
633637 /**
634- * If true, launches the browser using a headless image. Defaults to false .
638+ * If provided, replaces whether browsers launch using a headless image.
635639 */
636640 headless ?: boolean ;
637641
638642 /**
639- * If true, launches the browser in kiosk mode to hide address bar and tabs in live
640- * view.
643+ * If provided, replaces whether browsers launch in kiosk mode.
641644 */
642645 kiosk_mode ?: boolean ;
643646
644647 /**
645- * Optional name for the browser pool. Must be unique within the project.
648+ * If provided, replaces the pool name. Empty string is a no-op; the pool name
649+ * cannot be cleared or reset to empty once assigned.
646650 */
647651 name ?: string ;
648652
@@ -656,43 +660,39 @@ export interface BrowserPoolUpdateParams {
656660 profile ?: BrowserPoolUpdateParams . Profile ;
657661
658662 /**
659- * Optional proxy to associate to the browser session. Must reference a proxy in
660- * the same project as the browser session .
663+ * Empty string clears the previously-selected proxy. Omit this field to leave the
664+ * proxy unchanged .
661665 */
662666 proxy_id ?: string ;
663667
664668 /**
665- * When true, flush idle browsers when the profile the pool uses is updated, so
666- * pool browsers pick up the latest profile data. Requires a profile to be set on
667- * the pool.
669+ * If provided, replaces whether idle browsers are flushed when the profile the
670+ * pool uses is updated. Requires a profile to be set on the pool.
668671 */
669672 refresh_on_profile_update ?: boolean ;
670673
671674 /**
672- * Number of browsers to maintain in the pool. The maximum size is determined by
673- * your organization's pooled sessions limit (the sum of all pool sizes cannot
674- * exceed your limit).
675+ * If provided, replaces the number of browsers to maintain in the pool. The
676+ * maximum size is determined by your organization's pooled sessions limit (the sum
677+ * of all pool sizes cannot exceed your limit).
675678 */
676679 size ?: number ;
677680
678681 /**
679- * Optional URL to navigate to when a new browser is warmed into the pool.
680- * Best-effort: failures to navigate do not fail pool fill. Only applied to
681- * newly-warmed browsers; browsers reused via release/acquire keep whatever URL the
682- * previous lease left them on. Accepts any URL Chromium can resolve, including
683- * chrome:// pages.
682+ * If provided, replaces the URL to navigate to when a new browser is warmed into
683+ * the pool. Empty string clears the previously-set URL. Omit this field to leave
684+ * it unchanged.
684685 */
685686 start_url ?: string ;
686687
687688 /**
688- * If true, launches the browser in stealth mode to reduce detection by anti-bot
689- * mechanisms.
689+ * If provided, replaces whether browsers launch in stealth mode.
690690 */
691691 stealth ?: boolean ;
692692
693693 /**
694- * Default idle timeout in seconds for browsers acquired from this pool before they
695- * are destroyed. Defaults to 600 seconds . Minimum 10, maximum 259200 (72 hours).
694+ * If provided, replaces the default idle timeout in seconds for browsers acquired
695+ * from this pool before they are destroyed . Minimum 10, maximum 259200 (72 hours).
696696 */
697697 timeout_seconds ?: number ;
698698
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