list in the sitemap.   
[ WP_Sitemaps_Posts::get_object_subtypes() ](https://developer.wordpress.org/reference/classes/wp_sitemaps_posts/get_object_subtypes/) ` wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php ` |  Returns the public post types, which excludes nav_items and similar types.   
[ WP_Sitemaps_Posts::get_url_list() ](https://developer.wordpress.org/reference/classes/wp_sitemaps_posts/get_url_list/) ` wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php ` |  Gets a URL list for a post type sitemap.   
[ WP_Sitemaps_Posts::get_max_num_pages() ](https://developer.wordpress.org/reference/classes/wp_sitemaps_posts/get_max_num_pages/) ` wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php ` |  Gets the max number of pages available for the object type.   
[ WP_Sitemaps_Stylesheet::get_stylesheet_css() ](https://developer.wordpress.org/reference/classes/wp_sitemaps_stylesheet/get_stylesheet_css/) ` wp-includes/sitemaps/class-wp-sitemaps-stylesheet.php ` |  Gets the CSS to be included in sitemap XSL stylesheets.   
[ WP_Sitemaps_Registry::add_provider() ](https://developer.wordpress.org/reference/classes/wp_sitemaps_registry/add_provider/) ` wp-includes/sitemaps/class-wp-sitemaps-registry.php ` |  Adds a new sitemap provider.   
[ WP_Sitemaps_Stylesheet::get_sitemap_stylesheet() ](https://developer.wordpress.org/reference/classes/wp_sitemaps_stylesheet/get_sitemap_stylesheet/) ` wp-includes/sitemaps/class-wp-sitemaps-stylesheet.php ` |  Returns the escaped XSL for all sitemaps, except index.   
[ WP_Sitemaps_Stylesheet::get_sitemap_index_stylesheet() ](https://developer.wordpress.org/reference/classes/wp_sitemaps_stylesheet/get_sitemap_index_stylesheet/) ` wp-includes/sitemaps/class-wp-sitemaps-stylesheet.php ` |  Returns the escaped XSL for the index sitemaps.   
[ wp_admin_viewport_meta() ](https://developer.wordpress.org/reference/functions/wp_admin_viewport_meta/) ` wp-admin/includes/misc.php ` |  Displays the viewport meta in the admin.   
[ wp_opcache_invalidate() ](https://developer.wordpress.org/reference/functions/wp_opcache_invalidate/) ` wp-admin/includes/file.php ` |  Attempts to clear the opcode cache for an individual PHP file.   
[ WP_Automatic_Updater::send_plugin_theme_email() ](https://developer.wordpress.org/reference/classes/wp_automatic_updater/send_plugin_theme_email/) ` wp-admin/includes/class-wp-automatic-updater.php ` |  Sends an email upon the completion or failure of a plugin or theme background update.   
[ WP_Automatic_Updater::after_plugin_theme_update() ](https://developer.wordpress.org/reference/classes/wp_automatic_updater/after_plugin_theme_update/) ` wp-admin/includes/class-wp-automatic-updater.php ` |  Checks whether an email should be sent after attempting plugin or theme updates.   
[ wp_is_auto_update_enabled_for_type() ](https://developer.wordpress.org/reference/functions/wp_is_auto_update_enabled_for_type/) ` wp-admin/includes/update.php ` |  Checks whether auto-updates are enabled.   
[ Plugin_Installer_Skin::do_overwrite() ](https://developer.wordpress.org/reference/classes/plugin_installer_skin/do_overwrite/) ` wp-admin/includes/class-plugin-installer-skin.php ` |  Checks if the plugin can be overwritten and outputs the HTML for overwriting a plugin on upload.   
[ Theme_Installer_Skin::do_overwrite() ](https://developer.wordpress.org/reference/classes/theme_installer_skin/do_overwrite/) ` wp-admin/includes/class-theme-installer-skin.php ` |  Checks if the theme can be overwritten and outputs the HTML for overwriting a theme on upload.   
[ WP_MS_Themes_List_Table::column_autoupdates() ](https://developer.wordpress.org/reference/classes/wp_ms_themes_list_table/column_autoupdates/) ` wp-admin/includes/class-wp-ms-themes-list-table.php ` |  Handles the auto-updates column output.   
[ wp_ajax_toggle_auto_updates() ](https://developer.wordpress.org/reference/functions/wp_ajax_toggle_auto_updates/) ` wp-admin/includes/ajax-actions.php ` |  Handles enabling or di