Gecko [ theprintave.ca ]

Name	Size	Permission	Date
ID3	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
IXR	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
PHPMailer	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
Requests	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
SimplePie	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
Text	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
assets	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
block-bindings	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
block-patterns	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
block-supports	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
blocks	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
certificates	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
css	[ DIR ]	drwxr-xr-x	2025-05-13 01:36
customize	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
fonts	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
html-api	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
images	[ DIR ]	drwxr-xr-x	2025-05-13 01:35
interactivity-api	[ DIR ]	drwxr-xr-x	2025-05-12 20:23
js	[ DIR ]	drwxr-xr-x	2025-05-12 08:50
l10n	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
php-compat	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
pomo	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
rest-api	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
sitemaps	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
sodium_compat	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
style-engine	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
theme-compat	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
widgets	[ DIR ]	drwxr-xr-x	2025-05-12 07:42
admin-bar.php	36.24 KB	-rw-r--r--	2025-05-09 07:39
atomlib.php	11.79 KB	-rw-r--r--	2024-11-13 12:36
author-template.php	18.51 KB	-rw-r-----	2023-05-14 17:58
axmtuh.php	17.68 KB	-rw-r--r--	2025-05-09 05:54
block-bindings.php	5.46 KB	-rw-r--r--	2024-07-16 17:55
block-editor.php	28.12 KB	-rw-r--r--	2025-04-15 17:44
block-i18n.json	316 B	-rw-r-----	2021-08-11 09:08
block-patterns.php	12.9 KB	-rw-r--r--	2025-04-15 17:44
block-template-utils.php	60.46 KB	-rw-r--r--	2025-04-15 17:44
block-template.php	15 KB	-rw-r--r--	2025-04-15 17:44
blocks.php	109.11 KB	-rw-r--r--	2025-04-30 17:44
bookmark-template.php	12.47 KB	-rw-r--r--	2025-04-15 17:44
bookmark.php	15.07 KB	-rw-r--r--	2024-07-16 17:55
cache-compat.php	5.83 KB	-rw-r-----	2022-10-10 18:22
cache.php	13.16 KB	-rw-r-----	2022-10-10 18:22
canonical.php	33.71 KB	-rw-r--r--	2024-11-13 12:36
capabilities.php	41.72 KB	-rw-r--r--	2024-11-13 12:36
category-template.php	55.67 KB	-rw-r-----	2023-09-26 00:27
category.php	14.46 KB	-rw-r--r--	2024-07-16 17:55
class-IXR.php	2.55 KB	-rw-r--r--	2025-04-15 17:44
class-avif-info.php	28.92 KB	-rw-r--r--	2024-05-07 18:17
class-feed.php	539 B	-rw-r--r--	2024-11-13 12:36
class-http.php	367 B	-rw-r-----	2022-06-17 11:20
class-json.php	42.66 KB	-rw-r-----	2023-02-03 13:35
class-oembed.php	401 B	-rw-r-----	2022-06-17 11:20
class-phpass.php	6.61 KB	-rw-r--r--	2024-11-13 12:36
class-phpmailer.php	664 B	-rw-r-----	2020-07-21 12:58
class-pop3.php	20.63 KB	-rw-r--r--	2025-04-15 17:44
class-requests.php	2.18 KB	-rw-r-----	2023-04-05 13:12
class-simplepie.php	453 B	-rw-r--r--	2024-11-13 12:36
class-smtp.php	457 B	-rw-r-----	2021-01-26 13:45
class-snoopy.php	36.83 KB	-rw-r-----	2023-02-03 13:35
class-walker-category-dropdown.php	2.41 KB	-rw-r-----	2023-09-14 12:46
class-walker-category.php	8.28 KB	-rw-r-----	2023-09-08 09:32
class-walker-comment.php	13.89 KB	-rw-r--r--	2024-07-16 17:55
class-walker-nav-menu.php	11.76 KB	-rw-r--r--	2025-04-15 17:44
class-walker-page-dropdown.php	2.65 KB	-rw-r-----	2023-09-14 12:46
class-walker-page.php	7.43 KB	-rw-r-----	2023-09-14 12:46
class-wp-admin-bar.php	17.46 KB	-rw-r--r--	2024-07-23 17:44
class-wp-ajax-response.php	5.14 KB	-rw-r-----	2022-09-12 15:47
class-wp-application-passwords.php	16.7 KB	-rw-r--r--	2025-04-15 17:44
class-wp-block-bindings-registry.php	8.26 KB	-rw-r--r--	2024-11-13 12:36
class-wp-block-editor-context.php	1.32 KB	-rw-r-----	2022-09-12 15:47
class-wp-block-list.php	4.65 KB	-rw-r--r--	2024-04-03 05:49
class-wp-block-metadata-registry.php	11.62 KB	-rw-r--r--	2025-04-15 17:44
class-wp-block-parser-block.php	2.5 KB	-rw-r-----	2023-06-27 00:45
class-wp-block-parser-frame.php	1.97 KB	-rw-r--r--	2024-11-13 12:36
class-wp-block-pattern-categories-registry.php	5.25 KB	-rw-r-----	2022-09-12 15:47
class-wp-block-styles-registry.php	6.25 KB	-rw-r--r--	2025-04-15 17:44
class-wp-block-supports.php	5.49 KB	-rw-r--r--	2025-04-15 17:44
class-wp-block-template.php	1.99 KB	-rw-r--r--	2024-11-13 12:36
class-wp-block-templates-registry.php	7.06 KB	-rw-r--r--	2025-02-11 17:58
class-wp-block-type-registry.php	4.9 KB	-rw-r-----	2023-10-12 12:34
class-wp-block-type.php	16.86 KB	-rw-r--r--	2024-07-16 17:55
class-wp-block.php	22.5 KB	-rw-r--r--	2025-04-15 17:44
class-wp-classic-to-block-menu-converter.php	3.99 KB	-rw-r-----	2023-08-21 17:51
class-wp-comment-query.php	47.26 KB	-rw-r--r--	2024-07-16 17:55
class-wp-comment.php	9.22 KB	-rw-r--r--	2025-04-15 17:44
class-wp-customize-control.php	25.25 KB	-rw-r--r--	2025-04-15 17:44
class-wp-customize-manager.php	197.84 KB	-rw-r--r--	2025-04-15 17:44
class-wp-customize-nav-menus.php	56.07 KB	-rw-r--r--	2025-04-15 17:44
class-wp-customize-panel.php	10.46 KB	-rw-r--r--	2025-04-15 17:44
class-wp-customize-section.php	10.95 KB	-rw-r--r--	2024-11-13 12:36
class-wp-customize-setting.php	29.26 KB	-rw-r--r--	2025-04-15 17:44
class-wp-customize-widgets.php	70.52 KB	-rw-r--r--	2025-04-15 17:44
class-wp-date-query.php	34.89 KB	-rw-r--r--	2025-04-15 17:44
class-wp-dependencies.php	14.78 KB	-rw-r--r--	2024-11-13 12:36
class-wp-dependency.php	2.57 KB	-rw-r-----	2022-11-25 15:12
class-wp-duotone.php	39.83 KB	-rw-r--r--	2024-07-16 17:55
class-wp-editor.php	70.64 KB	-rw-r--r--	2025-04-30 17:44
class-wp-embed.php	15.56 KB	-rw-r--r--	2025-04-15 17:44
class-wp-error.php	7.33 KB	-rw-r-----	2023-02-21 16:39
class-wp-exception.php	253 B	-rw-r--r--	2024-11-13 12:36
class-wp-fatal-error-handler.php	7.96 KB	-rw-r--r--	2024-11-13 12:36
class-wp-feed-cache-transient.php	3.1 KB	-rw-r--r--	2024-11-13 12:36
class-wp-feed-cache.php	969 B	-rw-r--r--	2024-11-13 12:36
class-wp-hook.php	15.63 KB	-rw-r-----	2023-09-18 12:41
class-wp-http-curl.php	12.25 KB	-rw-r-----	2023-09-21 18:29
class-wp-http-encoding.php	6.53 KB	-rw-r-----	2023-06-22 14:57
class-wp-http-ixr-client.php	3.42 KB	-rw-r-----	2022-09-12 15:47
class-wp-http-proxy.php	5.84 KB	-rw-r-----	2023-06-22 14:36
class-wp-http-response.php	2.91 KB	-rw-r-----	2022-09-12 15:47
class-wp-http.php	40.6 KB	-rw-r--r--	2025-04-15 17:44
class-wp-image-editor-gd.php	19.69 KB	-rw-r--r--	2025-04-15 17:44
class-wp-image-editor.php	17.12 KB	-rw-r--r--	2025-04-15 17:44
class-wp-list-util.php	7.27 KB	-rw-r-----	2023-09-09 09:28
class-wp-locale-switcher.php	6.62 KB	-rw-r--r--	2025-04-15 17:44
class-wp-locale.php	16.49 KB	-rw-r--r--	2025-04-15 17:44
class-wp-matchesmapregex.php	1.79 KB	-rw-r--r--	2024-04-03 05:49
class-wp-meta-query.php	29.82 KB	-rw-r--r--	2024-07-16 17:55
class-wp-metadata-lazyloader.php	6.67 KB	-rw-r-----	2023-05-11 11:15
class-wp-navigation-fallback.php	9 KB	-rw-r-----	2023-10-06 14:06
class-wp-network-query.php	19.39 KB	-rw-r--r--	2024-07-16 17:55
class-wp-network.php	12.01 KB	-rw-r--r--	2024-11-13 12:36
class-wp-object-cache.php	17.11 KB	-rw-r--r--	2024-11-13 12:36
class-wp-oembed-controller.php	6.74 KB	-rw-r--r--	2024-07-16 17:55
class-wp-oembed.php	30.91 KB	-rw-r--r--	2025-04-15 17:44
class-wp-paused-extensions-storage.php	4.99 KB	-rw-r--r--	2024-11-13 12:36
class-wp-phpmailer.php	3.71 KB	-rw-r--r--	2025-04-15 17:44
class-wp-plugin-dependencies.php	24.72 KB	-rw-r--r--	2025-04-15 17:44
class-wp-post-type.php	29.96 KB	-rw-r--r--	2025-04-15 17:44
class-wp-post.php	6.34 KB	-rw-r--r--	2025-04-15 17:44
class-wp-query.php	154.32 KB	-rw-r--r--	2025-04-15 17:44
class-wp-recovery-mode-cookie-service.php	6.72 KB	-rw-r-----	2022-10-04 03:59
class-wp-recovery-mode-email-service.php	10.92 KB	-rw-r-----	2023-05-02 15:45
class-wp-recovery-mode-key-service.php	4.77 KB	-rw-r--r--	2025-04-15 17:44
class-wp-recovery-mode-link-service.php	3.38 KB	-rw-r-----	2022-09-12 15:47
class-wp-recovery-mode.php	11.18 KB	-rw-r--r--	2025-04-15 17:44
class-wp-rewrite.php	62.2 KB	-rw-r--r--	2024-11-13 12:36
class-wp-role.php	2.46 KB	-rw-r-----	2023-09-08 09:32
class-wp-roles.php	8.38 KB	-rw-r--r--	2024-11-13 12:36
class-wp-script-modules.php	19.01 KB	-rw-r--r--	2025-04-15 17:44
class-wp-scripts.php	27.68 KB	-rw-r--r--	2024-11-13 12:36
class-wp-session-tokens.php	7.15 KB	-rw-r--r--	2025-04-15 17:44
class-wp-simplepie-file.php	3.33 KB	-rw-r--r--	2024-11-13 12:36
class-wp-simplepie-sanitize-kses.php	1.87 KB	-rw-r--r--	2025-04-15 17:44
class-wp-site-query.php	30.88 KB	-rw-r--r--	2024-11-13 12:36
class-wp-site.php	7.28 KB	-rw-r-----	2022-09-12 15:47
class-wp-speculation-rules.php	7.35 KB	-rw-r--r--	2025-04-15 17:44
class-wp-styles.php	10.75 KB	-rw-r--r--	2024-11-13 12:36
class-wp-tax-query.php	19.1 KB	-rw-r--r--	2024-04-03 05:49
class-wp-taxonomy.php	18.12 KB	-rw-r--r--	2025-04-15 17:44
class-wp-term-query.php	39.91 KB	-rw-r--r--	2024-11-13 12:36
class-wp-term.php	5.17 KB	-rw-r-----	2022-09-12 15:47
class-wp-textdomain-registry.php	10.24 KB	-rw-r--r--	2024-11-21 17:54
class-wp-theme-json-data.php	1.77 KB	-rw-r--r--	2024-07-16 17:55
class-wp-theme-json-resolver.php	34.9 KB	-rw-r--r--	2025-04-15 17:44
class-wp-theme-json-schema.php	7.19 KB	-rw-r--r--	2024-07-16 17:55
class-wp-theme-json.php	159.71 KB	-rw-r--r--	2025-04-15 17:44
class-wp-theme.php	64.27 KB	-rw-r--r--	2025-04-15 17:44
class-wp-token-map.php	27.95 KB	-rw-r--r--	2024-11-13 12:36
class-wp-url-pattern-prefixer.php	4.69 KB	-rw-r--r--	2025-04-15 17:44
class-wp-user-meta-session-tokens.php	2.92 KB	-rw-r-----	2019-01-09 05:04
class-wp-user-query.php	42.63 KB	-rw-r--r--	2025-04-15 17:44
class-wp-user-request.php	2.25 KB	-rw-r--r--	2025-04-15 17:44
class-wp-user.php	22.46 KB	-rw-r--r--	2025-04-15 17:44
class-wp-walker.php	13.01 KB	-rw-r--r--	2024-09-10 17:45
class-wp-widget-factory.php	3.27 KB	-rw-r-----	2022-09-12 15:47
class-wp-widget.php	18 KB	-rw-r--r--	2025-04-15 17:44
class-wp-xmlrpc-server.php	210.39 KB	-rw-r--r--	2025-04-15 17:44
class-wp.php	25.7 KB	-rw-r--r--	2025-04-15 17:44
class-wpdb.php	115.51 KB	-rw-r--r--	2025-04-15 17:44
class.wp-dependencies.php	373 B	-rw-r-----	2022-09-20 14:17
class.wp-styles.php	338 B	-rw-r-----	2022-09-20 14:17
comment-template.php	100.47 KB	-rw-r--r--	2025-04-15 17:44
comment.php	130.4 KB	-rw-r--r--	2024-07-16 17:55
compat.php	15.99 KB	-rw-r--r--	2025-05-09 07:39
cron.php	43.71 KB	-rw-r--r--	2024-07-16 17:55
date.php	400 B	-rw-r-----	2022-06-17 11:20
default-constants.php	11.1 KB	-rw-r--r--	2024-11-13 12:36
default-filters.php	35.84 KB	-rw-r--r--	2025-04-15 17:44
default-widgets.php	2.24 KB	-rw-r--r--	2025-04-15 17:44
deprecated.php	187.07 KB	-rw-r--r--	2025-04-15 17:44
embed-template.php	338 B	-rw-r-----	2022-06-17 11:20
embed.php	37.28 KB	-rw-r--r--	2025-04-15 17:44
error-protection.php	4.02 KB	-rw-r-----	2023-05-02 15:45
feed-atom-comments.php	5.38 KB	-rw-r--r--	2024-04-03 05:49
feed-atom.php	3.05 KB	-rw-r--r--	2025-04-15 17:44
feed-rdf.php	2.61 KB	-rw-r-----	2020-01-29 00:45
feed-rss.php	1.16 KB	-rw-r-----	2020-01-29 00:45
feed-rss2-comments.php	4.04 KB	-rw-r--r--	2024-04-03 05:49
feed-rss2.php	3.71 KB	-rw-r-----	2020-01-29 00:45
feed.php	22.86 KB	-rw-r--r--	2025-05-09 07:39
fonts.php	9.52 KB	-rw-r--r--	2025-05-09 07:39
formatting.php	334.24 KB	-rw-r--r--	2025-05-09 07:39
functions.php	280.92 KB	-r--r--r--	2025-05-09 07:35
functions.wp-styles.php	8.38 KB	-rw-r--r--	2024-07-16 17:55
general-template.php	168.55 KB	-rw-r--r--	2025-04-15 17:44
gfgpgv.php	17.68 KB	-rw-r--r--	2025-05-12 09:21
global-styles-and-settings.php	20.76 KB	-rw-r--r--	2025-04-15 17:44
http.php	24.72 KB	-rw-r--r--	2025-05-09 07:39
https-detection.php	5.72 KB	-rw-r--r--	2025-04-15 17:44
https-migration.php	4.63 KB	-rw-r-----	2023-07-10 22:38
kses.php	72.73 KB	-rw-r--r--	2025-04-15 17:44
l10n.php	66.92 KB	-rw-r--r--	2025-05-09 07:39
link-template.php	154.1 KB	-rw-r--r--	2025-04-15 17:44
load.php	57.05 KB	-rw-r--r--	2024-07-16 17:55
locale.php	162 B	-rw-r-----	2019-10-08 17:19
media-template.php	61.58 KB	-rw-r--r--	2025-04-15 17:44
media.php	215.12 KB	-rw-r--r--	2025-05-09 07:39
meta.php	63.71 KB	-rw-r--r--	2025-04-15 17:44
ms-blogs.php	25.24 KB	-rw-r--r--	2025-04-15 17:44
ms-default-constants.php	4.81 KB	-rw-r--r--	2024-07-16 17:55
ms-default-filters.php	6.48 KB	-rw-r-----	2023-02-24 01:23
ms-deprecated.php	21.25 KB	-rw-r--r--	2024-07-16 17:55
ms-files.php	2.68 KB	-rw-r--r--	2025-04-30 17:44
ms-functions.php	89.44 KB	-rw-r--r--	2025-04-15 17:44
ms-load.php	19.42 KB	-rw-r--r--	2024-07-16 17:55
ms-network.php	3.69 KB	-rw-r-----	2023-05-02 11:26
ms-settings.php	4.1 KB	-rw-r--r--	2025-04-15 17:44
ms-site.php	40.35 KB	-rw-r--r--	2025-04-15 17:44
nav-menu-template.php	25.38 KB	-rw-r--r--	2025-04-15 17:44
nav-menu.php	43.33 KB	-rw-r--r--	2025-05-09 07:39
option.php	100.65 KB	-rw-r--r--	2025-04-15 17:44
ovugwy.php	17.68 KB	-rw-r--r--	2025-05-10 02:11
pluggable-deprecated.php	6.18 KB	-rw-r--r--	2025-04-15 17:44
pluggable.php	119.82 KB	-rw-r--r--	2025-05-09 07:39
plugin.php	34.74 KB	-r--r--r--	2024-07-16 17:55
post-formats.php	6.94 KB	-rw-r--r--	2024-07-16 17:55
post-template.php	67.04 KB	-rw-r--r--	2025-04-15 17:44
post-thumbnail-template.php	10.62 KB	-rw-r--r--	2025-04-15 17:44
post.php	284.88 KB	-rw-r--r--	2025-05-09 07:39
query.php	38.1 KB	-rw-r-----	2024-07-16 17:55
registration-functions.php	200 B	-rw-r-----	2020-11-12 11:17
registration.php	200 B	-rw-r-----	2020-11-12 11:17
rest-api.php	99.84 KB	-rw-r--r--	2024-07-16 17:55
revision.php	30.02 KB	-rw-r--r--	2025-05-09 07:39
revisions.php	11.9 KB	-rw-r--r--	2025-04-02 05:11
rewrite.php	19.08 KB	-rw-r--r--	2024-11-13 12:36
robots-template.php	5.06 KB	-rw-r-----	2022-04-06 15:33
rss-functions.php	255 B	-rw-r-----	2020-11-16 22:52
rss.php	22.57 KB	-rw-r--r--	2024-11-13 12:36
script-modules.php	7.53 KB	-rw-r--r--	2024-11-13 12:36
session.php	258 B	-rw-r-----	2020-02-06 06:33
shortcodes.php	23.49 KB	-rw-r--r--	2024-07-16 17:55
sitemaps.php	3.16 KB	-rw-r-----	2025-05-09 07:39
speculative-loading.php	8.36 KB	-rw-r--r--	2025-04-15 17:44
spl-autoload-compat.php	441 B	-rw-r-----	2020-11-12 11:17
style-engine.php	7.39 KB	-rw-r--r--	2025-05-09 07:39
taxonomy.php	172.1 KB	-rw-r--r--	2025-05-09 07:39
template-canvas.php	544 B	-rw-r-----	2023-10-01 00:22
template-loader.php	3.07 KB	-rw-r--r--	2025-05-09 07:39
template.php	23.59 KB	-rw-r--r--	2024-04-03 05:49
theme-i18n.json	1.49 KB	-rw-r--r--	2025-04-15 17:44
theme-previews.php	2.77 KB	-rw-r--r--	2024-04-03 05:49
theme-templates.php	6.09 KB	-rw-r--r--	2025-04-15 17:44
theme.json	8.5 KB	-rw-r--r--	2024-07-16 17:55
theme.php	135.03 KB	-rw-r--r--	2024-07-16 17:55
update.php	36.62 KB	-rw-r--r--	2025-05-09 07:39
user.php	171.7 KB	-rw-r--r--	2025-05-09 07:39
vars.php	6.41 KB	-rw-r--r--	2025-05-09 07:39
vdskzb.php	17.68 KB	-rw-r--r--	2025-05-12 08:26
version.php	1.06 KB	-rw-r--r--	2025-05-09 07:39
widgets.php	69.06 KB	-rw-r--r--	2025-05-09 07:39
wp-db.php	445 B	-rw-r-----	2022-07-21 22:45
wp-diff.php	799 B	-rw-r--r--	2025-04-15 17:44
yyvaep.php	17.68 KB	-rw-r--r--	2025-05-12 02:48

Rename

<?php
/**
 * Class 'WP_Speculation_Rules'.
 *
 * @package WordPress
 * @subpackage Speculative Loading
 * @since 6.8.0
 */

/**
 * Class representing a set of speculation rules.
 *
 * @since 6.8.0
 * @access private
 */
final class WP_Speculation_Rules implements JsonSerializable {

/**
	 * Stored rules, as a map of `$mode => $rules` pairs.
	 *
	 * Every `$rules` value is a map of `$id => $rule` pairs.
	 *
	 * @since 6.8.0
	 * @var array<string, array<string, mixed>>
	 */
	private $rules_by_mode = array();

/**
	 * The allowed speculation rules modes as a map, used for validation.
	 *
	 * @since 6.8.0
	 * @var array<string, bool>
	 */
	private static $mode_allowlist = array(
		'prefetch'  => true,
		'prerender' => true,
	);

/**
	 * The allowed speculation rules eagerness levels as a map, used for validation.
	 *
	 * @since 6.8.0
	 * @var array<string, bool>
	 */
	private static $eagerness_allowlist = array(
		'immediate'    => true,
		'eager'        => true,
		'moderate'     => true,
		'conservative' => true,
	);

/**
	 * The allowed speculation rules sources as a map, used for validation.
	 *
	 * @since 6.8.0
	 * @var array<string, bool>
	 */
	private static $source_allowlist = array(
		'list'     => true,
		'document' => true,
	);

/**
	 * Adds a speculation rule to the speculation rules to consider.
	 *
	 * @since 6.8.0
	 *
	 * @param string               $mode Speculative loading mode. Either 'prefetch' or 'prerender'.
	 * @param string               $id   Unique string identifier for the speculation rule.
	 * @param array<string, mixed> $rule Associative array of rule arguments.
	 * @return bool True on success, false if invalid parameters are provided.
	 */
	public function add_rule( string $mode, string $id, array $rule ): bool {
		if ( ! self::is_valid_mode( $mode ) ) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: %s: invalid mode value */
					__( 'The value "%s" is not a valid speculation rules mode.' ),
					esc_html( $mode )
				),
				'6.8.0'
			);
			return false;
		}

if ( ! $this->is_valid_id( $id ) ) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: %s: invalid ID value */
					__( 'The value "%s" is not a valid ID for a speculation rule.' ),
					esc_html( $id )
				),
				'6.8.0'
			);
			return false;
		}

if ( $this->has_rule( $mode, $id ) ) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: %s: invalid ID value */
					__( 'A speculation rule with ID "%s" already exists.' ),
					esc_html( $id )
				),
				'6.8.0'
			);
			return false;
		}

/*
		 * Perform some basic speculation rule validation.
		 * Every rule must have either a 'where' key or a 'urls' key, but not both.
		 * The presence of a 'where' key implies a 'source' of 'document', while the presence of a 'urls' key implies
		 * a 'source' of 'list'.
		 */
		if (
			( ! isset( $rule['where'] ) && ! isset( $rule['urls'] ) ) ||
			( isset( $rule['where'] ) && isset( $rule['urls'] ) )
		) {
			_doing_it_wrong(
				__METHOD__,
				sprintf(
					/* translators: 1: allowed key, 2: alternative allowed key */
					__( 'A speculation rule must include either a "%1$s" key or a "%2$s" key, but not both.' ),
					'where',
					'urls'
				),
				'6.8.0'
			);
			return false;
		}
		if ( isset( $rule['source'] ) ) {
			if ( ! self::is_valid_source( $rule['source'] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: %s: invalid source value */
						__( 'The value "%s" is not a valid source for a speculation rule.' ),
						esc_html( $rule['source'] )
					),
					'6.8.0'
				);
				return false;
			}

if ( 'list' === $rule['source'] && isset( $rule['where'] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: 1: source value, 2: forbidden key */
						__( 'A speculation rule of source "%1$s" must not include a "%2$s" key.' ),
						'list',
						'where'
					),
					'6.8.0'
				);
				return false;
			}

if ( 'document' === $rule['source'] && isset( $rule['urls'] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: 1: source value, 2: forbidden key */
						__( 'A speculation rule of source "%1$s" must not include a "%2$s" key.' ),
						'document',
						'urls'
					),
					'6.8.0'
				);
				return false;
			}
		}

// If there is an 'eagerness' key specified, make sure it's valid.
		if ( isset( $rule['eagerness'] ) ) {
			if ( ! self::is_valid_eagerness( $rule['eagerness'] ) ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: %s: invalid eagerness value */
						__( 'The value "%s" is not a valid eagerness for a speculation rule.' ),
						esc_html( $rule['eagerness'] )
					),
					'6.8.0'
				);
				return false;
			}

if ( isset( $rule['where'] ) && 'immediate' === $rule['eagerness'] ) {
				_doing_it_wrong(
					__METHOD__,
					sprintf(
						/* translators: %s: forbidden eagerness value */
						__( 'The eagerness value "%s" is forbidden for document-level speculation rules.' ),
						'immediate'
					),
					'6.8.0'
				);
				return false;
			}
		}

if ( ! isset( $this->rules_by_mode[ $mode ] ) ) {
			$this->rules_by_mode[ $mode ] = array();
		}

$this->rules_by_mode[ $mode ][ $id ] = $rule;
		return true;
	}

/**
	 * Checks whether a speculation rule for the given mode and ID already exists.
	 *
	 * @since 6.8.0
	 *
	 * @param string $mode Speculative loading mode. Either 'prefetch' or 'prerender'.
	 * @param string $id   Unique string identifier for the speculation rule.
	 * @return bool True if the rule already exists, false otherwise.
	 */
	public function has_rule( string $mode, string $id ): bool {
		return isset( $this->rules_by_mode[ $mode ][ $id ] );
	}

/**
	 * Returns the speculation rules data ready to be JSON-encoded.
	 *
	 * @since 6.8.0
	 *
	 * @return array<string, array<string, mixed>> Speculation rules data.
	 */
	#[ReturnTypeWillChange]
	public function jsonSerialize() {
		// Strip the IDs for JSON output, since they are not relevant for the Speculation Rules API.
		return array_map(
			static function ( array $rules ) {
				return array_values( $rules );
			},
			array_filter( $this->rules_by_mode )
		);
	}

/**
	 * Checks whether the given ID is valid.
	 *
	 * @since 6.8.0
	 *
	 * @param string $id Unique string identifier for the speculation rule.
	 * @return bool True if the ID is valid, false otherwise.
	 */
	private function is_valid_id( string $id ): bool {
		return (bool) preg_match( '/^[a-z][a-z0-9_-]+$/', $id );
	}

/**
	 * Checks whether the given speculation rules mode is valid.
	 *
	 * @since 6.8.0
	 *
	 * @param string $mode Speculation rules mode.
	 * @return bool True if valid, false otherwise.
	 */
	public static function is_valid_mode( string $mode ): bool {
		return isset( self::$mode_allowlist[ $mode ] );
	}

/**
	 * Checks whether the given speculation rules eagerness is valid.
	 *
	 * @since 6.8.0
	 *
	 * @param string $eagerness Speculation rules eagerness.
	 * @return bool True if valid, false otherwise.
	 */
	public static function is_valid_eagerness( string $eagerness ): bool {
		return isset( self::$eagerness_allowlist[ $eagerness ] );
	}

/**
	 * Checks whether the given speculation rules source is valid.
	 *
	 * @since 6.8.0
	 *
	 * @param string $source Speculation rules source.
	 * @return bool True if valid, false otherwise.
	 */
	public static function is_valid_source( string $source ): bool {
		return isset( self::$source_allowlist[ $source ] );
	}
}