[ "app.normandy.first_run", "app.normandy.user_id", "app.update.background.rolledout", "app.update.interval", "app.update.lastUpdateTime.*", "browser.bookmarks.restore_default_bookmarks", "browser.contentblocking.category", "browser.contextual-services.contextId", "browser.contextual-services.contextId.timestamp-in-seconds", "browser.download.lastDir", "browser.firefox-view.view-count", "browser.newtabpage.activity-stream.discoverystream.endpointSpocsClear", "browser.newtabpage.activity-stream.feeds.system.topsites", "browser.newtabpage.activity-stream.feeds.topsites", "browser.newtabpage.activity-stream.improvesearch.topSiteSearchShortcuts.havePinned", "browser.newtabpage.pinned", "browser.newtabpage.storageVersion", "browser.pageActions.persistedActions", "browser.policies.alternatePath", "browser.preferences.experimental.hidden", "browser.search.totalSearches", "browser.toolbars.bookmarks.visibility", "browser.uiCustomization.horizontalTabsBackup", "browser.uiCustomization.navBarWhenVerticalTabs", "browser.uiCustomization.state", "browser.urlbar.lastUrlbarSearchSeconds", "browser.urlbar.placeholderName", "browser.urlbar.placeholderName.private", "browser.urlbar.recentsearches.lastDefaultChanged", "datareporting.dau.cachedUsageProfileGroupID", "datareporting.dau.cachedUsageProfileID", "doh-rollout.doneFirstRun", "doh-rollout.home-region", "dom.security.https_only_mode_ever_enabled", "extensions.databaseSchema", "extensions.pendingOperations", "extensions.ui.dictionary.hidden", "extensions.ui.extension.hidden", "extensions.ui.lastCategory", "extensions.ui.locale.hidden", "extensions.ui.mlmodel.hidden", "extensions.ui.sitepermission.hidden", "extensions.webextensions.ExtensionStorageIDB.migrated.*", "mail.*", "media.gmp-manager.buildID", "media.gmp-manager.lastCheck", "media.gmp-manager.lastEmptyCheck", "media.gmp.storage.version.observed", "pdfjs.enableAltText", "pdfjs.enableAltTextForEnglish", "pdfjs.enabledCache.state", "places.frecency.accelerateRecalculation", "privacy.clearOnShutdown_v2.formdata", "privacy.sanitize.clearOnShutdown.hasMigratedToNewPrefs3", "privacy.trackingprotection.allow_list.baseline.enabled", "privacy.trackingprotection.allow_list.convenience.enabled", "privacy.trackingprotection.allow_list.hasMigratedCategoryPrefs", "security.webauthn.show_ms_settings_link", "services.sync.clients.lastSync", "services.sync.declinedEngines", "services.sync.globalScore", "services.sync.nextSync", "sidebar.main.tools", "sidebar.new-sidebar.has-used", "sidebar.old-sidebar.has-used", "toolkit.startup.last_success", "toolkit.telemetry.cachedClientID", "toolkit.telemetry.cachedProfileGroupID", "trailhead.firstrun.didSeeAboutWelcome", "ui.osk.debug.keyboardDisplayReason" ]