igpapi — Instagram private API Simulator for Node.js (API reference) 4.14.0
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    Variable ScreenCheckpointSchemaConst

    ScreenCheckpointSchema: decodeTo<
        toType<
            Struct<
                {
                    app: Struct<
                        { platform: Literals<readonly ["android", "ios"]>; version: String },
                    >;
                    client: decodeTo<
                        toType<
                            Struct<
                                {
                                    application: Struct<
                                        {
                                            adaptiveUi: optional<(...)>;
                                            APP_VERSION: String;
                                            APP_VERSION_CODE: String;
                                            BLOKS_VERSION_ID: String;
                                            bloksClientContext: optional<(...)>;
                                            bloksInfraTheme: optional<(...)>;
                                            bloksPrismExtendedPalette: optional<(...)>;
                                            bloksThemeParams: optional<(...)>;
                                            BREADCRUMB_KEY: String;
                                            CAPABILITIES: String;
                                            directInboxMode: optional<(...)>;
                                            directSearchGenAiBotsLimit: optional<(...)>;
                                            FACEBOOK_ANALYTICS_APPLICATION_ID: String;
                                            FACEBOOK_ANALYTICS_CLIENT_TOKEN: optional<(...)>;
                                            GRAPHQL_DOC_IDS: optional<(...)>;
                                            GRAPHQL_GZIP_MIN_BYTES: optional<(...)>;
                                            GRAPHQL_OMIT_PRETTY: optional<(...)>;
                                            GRAPHQL_SERVER_TIMESTAMPS: optional<(...)>;
                                            launchWire: optional<(...)>;
                                            mediaLikeWire: optional<(...)>;
                                            mediaNoteWire: optional<(...)>;
                                            mediaRepostWire: optional<(...)>;
                                            reelsTrayPageSize: optional<(...)>;
                                            shoppingExperiments: optional<(...)>;
                                            SUPPORTED_CAPABILITIES: $Array<(...)>;
                                            ufiActionFlowActions: optional<(...)>;
                                            ZERO_HEADERS: optional<(...)>;
                                        },
                                    >;
                                    cookies: Unknown;
                                    device: Struct<
                                        {
                                            adid: String;
                                            adsOptOut: optional<(...)>;
                                            androidDevicePerformanceClass: optional<(...)>;
                                            aymhAccounts: optional<(...)>;
                                            battery: optional<(...)>;
                                            build: String;
                                            cloudTrustToken: optional<(...)>;
                                            currentKeyboardLanguage: optional<(...)>;
                                            descriptor: String;
                                            deviceStatus: optional<(...)>;
                                            familyDeviceSynced: optional<(...)>;
                                            familyId: String;
                                            fbnsKey: optional<(...)>;
                                            flashCallPermissionsStatus: optional<(...)>;
                                            gmsCallRetrieverEligibility: optional<(...)>;
                                            gpuMemoryMb: optional<(...)>;
                                            hasCameraPermission: optional<(...)>;
                                            hasGoogleAdId: optional<(...)>;
                                            hasNotificationPermission: optional<(...)>;
                                            id: String;
                                            isFoldable: optional<(...)>;
                                            isLayoutRTL: Boolean;
                                            keyboardLanguage: optional<(...)>;
                                            language: String;
                                            lastPushRegistration: optional<(...)>;
                                            location: optional<(...)>;
                                            mobileConfig: optional<(...)>;
                                            network: optional<(...)>;
                                            networkInfo: optional<(...)>;
                                            networkSessionId: optional<(...)>;
                                            phoneId: String;
                                            pigeonIdentities: optional<(...)>;
                                            pushHpkeIdentity: optional<(...)>;
                                            pushToken: optional<(...)>;
                                            radioType: optional<(...)>;
                                            ramSizeInGb: optional<(...)>;
                                            rmd: optional<(...)>;
                                            rmdNoValidMapTimes: optional<(...)>;
                                            systemLanguages: optional<(...)>;
                                            systemLocale: optional<(...)>;
                                            timezoneName: optional<(...)>;
                                            timezoneOffset: String;
                                            usdidIdentity: optional<(...)>;
                                            uuid: String;
                                            videoEncoders: optional<(...)>;
                                            zeroAttestationIdentity: optional<(...)>;
                                        },
                                    >;
                                    session: Struct<
                                        {
                                            appStartPhase: optional<(...)>;
                                            appStartTimeMs: optional<(...)>;
                                            authorization: optional<(...)>;
                                            bandwidth: optional<(...)>;
                                            challenge: optional<(...)>;
                                            checkpoint: optional<(...)>;
                                            clientSessionIdLifetime: Number;
                                            directInboxCache: optional<(...)>;
                                            directInboxSeqId: optional<(...)>;
                                            directLoadedThreads: optional<(...)>;
                                            dsUserId: optional<(...)>;
                                            familyDeviceIdBound: optional<(...)>;
                                            fbidV2: optional<(...)>;
                                            igWWWClaim: optional<(...)>;
                                            lastCreationMode: optional<(...)>;
                                            metaAiConsent: optional<(...)>;
                                            metaSubsEntrypointSessions: optional<(...)>;
                                            msgrRegion: optional<(...)>;
                                            noteCtasFetchedAtMs: optional<(...)>;
                                            passwordEncryptionKeyId: optional<(...)>;
                                            passwordEncryptionPubKey: optional<(...)>;
                                            pigeonSessionIdLifetime: Number;
                                            popularKeywordsRefreshedAtMs: optional<(...)>;
                                            profileInfoFetches: optional<(...)>;
                                            quickPromotionCooldown: optional<(...)>;
                                            quickPromotionImpressions: optional<(...)>;
                                            regionHint: optional<(...)>;
                                            rmdEvaluationStarted: optional<(...)>;
                                            rur: optional<(...)>;
                                            sessionStartPhase: optional<(...)>;
                                            shbid: optional<(...)>;
                                            shbts: optional<(...)>;
                                            thumbnailCacheBustingValue: Number;
                                            xMetaUsdid: optional<(...)>;
                                            xMid: optional<(...)>;
                                            zeroInterface: optional<(...)>;
                                            zeroPhase: optional<(...)>;
                                        },
                                    >;
                                },
                            >,
                        >,
                        Struct<
                            {
                                application: Struct<
                                    {
                                        adaptiveUi: optional<Boolean>;
                                        APP_VERSION: String;
                                        APP_VERSION_CODE: String;
                                        BLOKS_VERSION_ID: String;
                                        bloksClientContext: optional<Struct<(...)>>;
                                        bloksInfraTheme: optional<String>;
                                        bloksPrismExtendedPalette: optional<Struct<(...)>>;
                                        bloksThemeParams: optional<$Array<(...)>>;
                                        BREADCRUMB_KEY: String;
                                        CAPABILITIES: String;
                                        directInboxMode: optional<Number>;
                                        directSearchGenAiBotsLimit: optional<Number>;
                                        FACEBOOK_ANALYTICS_APPLICATION_ID: String;
                                        FACEBOOK_ANALYTICS_CLIENT_TOKEN: optional<String>;
                                        GRAPHQL_DOC_IDS: optional<$Record<(...), (...)>>;
                                        GRAPHQL_GZIP_MIN_BYTES: optional<Number>;
                                        GRAPHQL_OMIT_PRETTY: optional<Boolean>;
                                        GRAPHQL_SERVER_TIMESTAMPS: optional<Union<(...)>>;
                                        launchWire: optional<Literal<(...)>>;
                                        mediaLikeWire: optional<Literals<(...)>>;
                                        mediaNoteWire: optional<Literals<(...)>>;
                                        mediaRepostWire: optional<Literals<(...)>>;
                                        reelsTrayPageSize: optional<Number>;
                                        RMD_NO_VALID_MAP_TIMES: optional<Unknown>;
                                        shoppingExperiments: optional<$Array<(...)>>;
                                        SUPPORTED_CAPABILITIES: $Array<Struct<(...)>>;
                                        ufiActionFlowActions: optional<$Array<(...)>>;
                                        ZERO_HEADERS: optional<Struct<(...)>>;
                                    },
                                >;
                                cookies: Unknown;
                                device: Struct<
                                    {
                                        adid: String;
                                        adsOptOut: optional<Boolean>;
                                        androidDevicePerformanceClass: optional<Number>;
                                        aymhAccounts: optional<$Array<(...)>>;
                                        battery: optional<Union<(...)>>;
                                        batteryLevel: optional<Unknown>;
                                        build: String;
                                        cloudTrustToken: optional<String>;
                                        connectionType: optional<Unknown>;
                                        currentKeyboardLanguage: optional<String>;
                                        descriptor: String;
                                        deviceStatus: optional<$Record<(...), (...)>>;
                                        familyDeviceSynced: optional<Boolean>;
                                        familyId: String;
                                        fbnsKey: optional<Struct<(...)>>;
                                        flashCallPermissionsStatus: optional<Struct<(...)>>;
                                        gmsCallRetrieverEligibility: optional<Literals<(...)>>;
                                        gpuMemoryMb: optional<Number>;
                                        hasCameraPermission: optional<Boolean>;
                                        hasGoogleAdId: optional<Boolean>;
                                        hasNotificationPermission: optional<Boolean>;
                                        id: String;
                                        isCharging: optional<Unknown>;
                                        isFoldable: optional<Boolean>;
                                        isLayoutRTL: Boolean;
                                        keyboardLanguage: optional<String>;
                                        language: String;
                                        lastPushRegistration: optional<Struct<(...)>>;
                                        location: optional<Struct<(...)>>;
                                        mobileConfig: optional<Struct<(...)>>;
                                        network: optional<Union<(...)>>;
                                        networkInfo: optional<Struct<(...)>>;
                                        networkSessionId: optional<String>;
                                        phoneId: String;
                                        pigeonIdentities: optional<$Record<(...), (...)>>;
                                        pushHpkeIdentity: optional<Struct<(...)>>;
                                        pushToken: optional<String>;
                                        radioType: optional<String>;
                                        ramSizeInGb: optional<Number>;
                                        rmd: optional<Struct<(...)>>;
                                        rmdNoValidMapTimes: optional<Struct<(...)>>;
                                        systemLanguages: optional<$Array<(...)>>;
                                        systemLocale: optional<String>;
                                        timezoneName: optional<String>;
                                        timezoneOffset: String;
                                        usdidIdentity: optional<Struct<(...)>>;
                                        uuid: String;
                                        videoEncoders: optional<$Record<(...), (...)>>;
                                        zeroAttestationIdentity: optional<Struct<(...)>>;
                                    },
                                >;
                                session: Struct<
                                    {
                                        adsOptOut: optional<Unknown>;
                                        appStartPhase: optional<Literal<(...)>>;
                                        appStartTimeMs: optional<Number>;
                                        authorization: optional<String>;
                                        bandwidth: optional<Struct<(...)>>;
                                        challenge: optional<$Record<(...), (...)>>;
                                        checkpoint: optional<$Record<(...), (...)>>;
                                        clientSessionIdLifetime: Number;
                                        directInboxCache: optional<Struct<(...)>>;
                                        directInboxSeqId: optional<Number>;
                                        directLoadedThreads: optional<$Array<(...)>>;
                                        dsUserId: optional<String>;
                                        familyDeviceIdBound: optional<Boolean>;
                                        fbidV2: optional<String>;
                                        igWWWClaim: optional<String>;
                                        lastCreationMode: optional<Literals<(...)>>;
                                        metaAiConsent: optional<Struct<(...)>>;
                                        metaSubsEntrypointSessions: optional<$Record<(...), (...)>>;
                                        msgrRegion: optional<String>;
                                        navChain: optional<Unknown>;
                                        navigation: optional<Unknown>;
                                        noteCtasFetchedAtMs: optional<Number>;
                                        passwordEncryptionKeyId: optional<String>;
                                        passwordEncryptionPubKey: optional<String>;
                                        pigeonSessionIdLifetime: Number;
                                        popularKeywordsRefreshedAtMs: optional<Number>;
                                        profileInfoFetches: optional<$Record<(...), (...)>>;
                                        quickPromotionCooldown: optional<Struct<(...)>>;
                                        quickPromotionImpressions: optional<$Record<(...), (...)>>;
                                        regionHint: optional<String>;
                                        rmd: optional<Unknown>;
                                        rmdEvaluationStarted: optional<Boolean>;
                                        rur: optional<String>;
                                        sessionStartPhase: optional<Literal<(...)>>;
                                        shbid: optional<String>;
                                        shbts: optional<String>;
                                        thumbnailCacheBustingValue: Number;
                                        xMetaUsdid: optional<String>;
                                        xMid: optional<String>;
                                        zeroInterface: optional<Boolean>;
                                        zeroPhase: optional<Literals<(...)>>;
                                    },
                                >;
                            },
                        >,
                        never,
                        never,
                    >;
                    format: Int;
                    process: Struct<
                        {
                            active: Int;
                            bloksPrismLoaded: Boolean;
                            extras: $Record<String, Codec<Json, Json, never, never>>;
                            launchStarted: Boolean;
                            loggedOutOpened: Boolean;
                            mobileConfig: Struct<
                                {
                                    sessionless: $Record<String, $Record<String, Union<(...)>>>;
                                    user: optional<Struct<{ account: ...; configs: ... }>>;
                                },
                            >;
                            navigation: Struct<
                                {
                                    cdsContainer: optionalKey<Union<readonly [(...), (...)]>>;
                                    chain: optionalKey<Struct<{ entries: ...; ordinal: ... }>>;
                                    current: optionalKey<Union<readonly [(...), (...)]>>;
                                    surfaces: optionalKey<$Array<Struct<(...)>>>;
                                },
                            >;
                            ordinal: Int;
                            root: Struct<
                                {
                                    input: optionalKey<Codec<Json, Json, never, never>>;
                                    interruption: optionalKey<Literal<true>>;
                                    screen: refine<
                                        | "LoginHomepage"
                                        | "LoginHomeCds"
                                        | "LandingScreen"
                                        | "LoginTwoFactorEntrypoint"
                                        | "LoginTwoFactorMethodPicker"
                                        | "LoginTwoFactorEnterTotpCode"
                                        | "AccountRecoverySearchCds"
                                        | "AccountRecoverySearch"
                                        | "AccountRecoveryAuthenticationConfirmation"
                                        | "AccountRecoveryEmailCode"
                                        | "RegistrationPhoneNumber"
                                        | "RegistrationConfirmationCode"
                                        | "RegistrationPassword"
                                        | "RegistrationBirthday"
                                        | "RegistrationName"
                                        | "RegistrationUsername"
                                        | "RegistrationTermsOfService"
                                        | "SaveCredentials"
                                        | "AccountRecoverySuccessLocationPermission"
                                        | "FeedTimeline"
                                        | "PostOpenedFromLink"
                                        | "ReelsViewer"
                                        | "MediaComments"
                                        | "RepostNoteEditor"
                                        | "Explore"
                                        | "SearchInput"
                                        | "SearchResultsTopTab"
                                        | "SearchResultsAccountsTab"
                                        | "UserProfile"
                                        | "ProfileMediaTab"
                                        | "MyProfile"
                                        | "MyProfileMediaTab"
                                        | "EditProfile"
                                        | "EditProfileBio"
                                        | "EditProfileUsername"
                                        | "EditProfileLinks"
                                        | "EditProfileAddLink"
                                        | "ProfilePostsFeed"
                                        | "FeedTimelineFollowing"
                                        | "UserProfileReelsTab"
                                        | "DirectInbox"
                                        | "DirectRecipientPicker"
                                        | "DirectThread"
                                        | "DirectCustomizeChat"
                                        | "DirectThreadThemePicker"
                                        | "DirectThreadDetails"
                                        | "DirectThreadSharedMedia"
                                        | "DirectThreadNicknames"
                                        | "DirectThreadNicknameChange"
                                        | "DirectGroupNameAndPhotoEditor"
                                        | "PostingGalleryPicker"
                                        | "PostingPostEdit"
                                        | "PostingNewPost"
                                        | "PostingCamera"
                                        | "PostingCameraGallery"
                                        | "PostingReelEditor"
                                        | "PostingNewReel"
                                        | "PostingPostVideoCameraGallery"
                                        | "PostingPostVideoCamera"
                                        | "PostingReelCamera"
                                        | "PostingStoryCameraHost"
                                        | "PostingStoryCameraGallery"
                                        | "PostingPostVideoNewReel"
                                        | "PostingStoryPhotoEditor"
                                        | "PostingStoryVideoEditor"
                                        | "PostingStoryStickerTray"
                                        | "PostingStoryMusicStickerEditor"
                                        | "PostingStoryShareSheet"
                                        | "PostingStoryAlsoShareTo"
                                        | "PostingStoryDoneCamera"
                                        | "PostingStoryMusicSearchHost"
                                        | "PostingMusicBrowser"
                                        | "PostingMusicSearchResults"
                                        | "PostingReelMusicOverlayDetail"
                                        | "PostingReelMusicEditor"
                                        | "ChallengeSelectVerifyMethod"
                                        | "ChallengeVerifyCode"
                                        | "ChallengeSubmitPhone"
                                        | "ChallengeSetNewPassword"
                                        | "ChallengeAddBirthday"
                                        | "ChallengeLoginReview"
                                        | "ChallengeAccountTemporarilyLocked"
                                        | "ChallengeEscalationInformation"
                                        | "ChallengeReviewContactPointChange"
                                        | "ChallengeScrapingWarning"
                                        | "ChallengeWebRecaptcha"
                                        | "ChallengeWebSetNewPassword"
                                        | "ChallengeTextCaptcha"
                                        | "ChallengeRecaptcha"
                                        | "ChallengeSetContactPoint"
                                        | "ChallengeContactPointCode"
                                        | "ChallengeAuthenticityWizard"
                                        | "ChallengeAwaitingReview"
                                        | "ChallengeThanksForProvidingInfo"
                                        | "ChallengeAccountSuspended",
                                        String,
                                    >;
                                    via: optionalKey<Struct<{ skipOrdinals: ...; source: ... }>>;
                                },
                            >;
                            sessionOrigin: Union<
                                readonly [
                                    Struct<{ loginPath: optionalKey<(...)>; origin: Literal<(...)> }>,
                                    Struct<{ begun: optionalKey<(...)>; origin: Literal<(...)> }>,
                                ],
                            >;
                            stacks: $Array<
                                Struct<
                                    {
                                        frames: $Array<Struct<(...)>>;
                                        navigation: Struct<
                                            { cdsContainer: ...; chain: ...; current: ...; surfaces: ... },
                                        >;
                                        tab: Union<readonly [(...), (...)]>;
                                    },
                                >,
                            >;
                            startedWithSession: Boolean;
                            telemetry: Struct<{ pigeonSessionStarted: Boolean }>;
                            traySession: Struct<{ traySessionId: String }>;
                            usdidRegistered: Boolean;
                        },
                    >;
                    screen: refine<
                        | "LoginHomepage"
                        | "LoginHomeCds"
                        | "LandingScreen"
                        | "LoginTwoFactorEntrypoint"
                        | "LoginTwoFactorMethodPicker"
                        | "LoginTwoFactorEnterTotpCode"
                        | "AccountRecoverySearchCds"
                        | "AccountRecoverySearch"
                        | "AccountRecoveryAuthenticationConfirmation"
                        | "AccountRecoveryEmailCode"
                        | "RegistrationPhoneNumber"
                        | "RegistrationConfirmationCode"
                        | "RegistrationPassword"
                        | "RegistrationBirthday"
                        | "RegistrationName"
                        | "RegistrationUsername"
                        | "RegistrationTermsOfService"
                        | "SaveCredentials"
                        | "AccountRecoverySuccessLocationPermission"
                        | "FeedTimeline"
                        | "PostOpenedFromLink"
                        | "ReelsViewer"
                        | "MediaComments"
                        | "RepostNoteEditor"
                        | "Explore"
                        | "SearchInput"
                        | "SearchResultsTopTab"
                        | "SearchResultsAccountsTab"
                        | "UserProfile"
                        | "ProfileMediaTab"
                        | "MyProfile"
                        | "MyProfileMediaTab"
                        | "EditProfile"
                        | "EditProfileBio"
                        | "EditProfileUsername"
                        | "EditProfileLinks"
                        | "EditProfileAddLink"
                        | "ProfilePostsFeed"
                        | "FeedTimelineFollowing"
                        | "UserProfileReelsTab"
                        | "DirectInbox"
                        | "DirectRecipientPicker"
                        | "DirectThread"
                        | "DirectCustomizeChat"
                        | "DirectThreadThemePicker"
                        | "DirectThreadDetails"
                        | "DirectThreadSharedMedia"
                        | "DirectThreadNicknames"
                        | "DirectThreadNicknameChange"
                        | "DirectGroupNameAndPhotoEditor"
                        | "PostingGalleryPicker"
                        | "PostingPostEdit"
                        | "PostingNewPost"
                        | "PostingCamera"
                        | "PostingCameraGallery"
                        | "PostingReelEditor"
                        | "PostingNewReel"
                        | "PostingPostVideoCameraGallery"
                        | "PostingPostVideoCamera"
                        | "PostingReelCamera"
                        | "PostingStoryCameraHost"
                        | "PostingStoryCameraGallery"
                        | "PostingPostVideoNewReel"
                        | "PostingStoryPhotoEditor"
                        | "PostingStoryVideoEditor"
                        | "PostingStoryStickerTray"
                        | "PostingStoryMusicStickerEditor"
                        | "PostingStoryShareSheet"
                        | "PostingStoryAlsoShareTo"
                        | "PostingStoryDoneCamera"
                        | "PostingStoryMusicSearchHost"
                        | "PostingMusicBrowser"
                        | "PostingMusicSearchResults"
                        | "PostingReelMusicOverlayDetail"
                        | "PostingReelMusicEditor"
                        | "ChallengeSelectVerifyMethod"
                        | "ChallengeVerifyCode"
                        | "ChallengeSubmitPhone"
                        | "ChallengeSetNewPassword"
                        | "ChallengeAddBirthday"
                        | "ChallengeLoginReview"
                        | "ChallengeAccountTemporarilyLocked"
                        | "ChallengeEscalationInformation"
                        | "ChallengeReviewContactPointChange"
                        | "ChallengeScrapingWarning"
                        | "ChallengeWebRecaptcha"
                        | "ChallengeWebSetNewPassword"
                        | "ChallengeTextCaptcha"
                        | "ChallengeRecaptcha"
                        | "ChallengeSetContactPoint"
                        | "ChallengeContactPointCode"
                        | "ChallengeAuthenticityWizard"
                        | "ChallengeAwaitingReview"
                        | "ChallengeThanksForProvidingInfo"
                        | "ChallengeAccountSuspended",
                        String,
                    >;
                    trail: Struct<
                        {
                            app: Struct<
                                {
                                    platform: Literals<readonly ["android", "ios"]>;
                                    version: String;
                                },
                            >;
                            format: Literal<4>;
                            root: Struct<
                                {
                                    input: optionalKey<Codec<Json, Json, never, never>>;
                                    position: optionalKey<Codec<Json, Json, never, never>>;
                                    screen: refine<
                                        | "LoginHomepage"
                                        | "LoginHomeCds"
                                        | "LandingScreen"
                                        | "LoginTwoFactorEntrypoint"
                                        | "LoginTwoFactorMethodPicker"
                                        | "LoginTwoFactorEnterTotpCode"
                                        | "AccountRecoverySearchCds"
                                        | "AccountRecoverySearch"
                                        | "AccountRecoveryAuthenticationConfirmation"
                                        | "AccountRecoveryEmailCode"
                                        | "RegistrationPhoneNumber"
                                        | "RegistrationConfirmationCode"
                                        | "RegistrationPassword"
                                        | "RegistrationBirthday"
                                        | "RegistrationName"
                                        | "RegistrationUsername"
                                        | "RegistrationTermsOfService"
                                        | "SaveCredentials"
                                        | "AccountRecoverySuccessLocationPermission"
                                        | "FeedTimeline"
                                        | "PostOpenedFromLink"
                                        | "ReelsViewer"
                                        | "MediaComments"
                                        | "RepostNoteEditor"
                                        | "Explore"
                                        | "SearchInput"
                                        | "SearchResultsTopTab"
                                        | "SearchResultsAccountsTab"
                                        | "UserProfile"
                                        | "ProfileMediaTab"
                                        | "MyProfile"
                                        | "MyProfileMediaTab"
                                        | "EditProfile"
                                        | "EditProfileBio"
                                        | "EditProfileUsername"
                                        | "EditProfileLinks"
                                        | "EditProfileAddLink"
                                        | "ProfilePostsFeed"
                                        | "FeedTimelineFollowing"
                                        | "UserProfileReelsTab"
                                        | "DirectInbox"
                                        | "DirectRecipientPicker"
                                        | "DirectThread"
                                        | "DirectCustomizeChat"
                                        | "DirectThreadThemePicker"
                                        | "DirectThreadDetails"
                                        | "DirectThreadSharedMedia"
                                        | "DirectThreadNicknames"
                                        | "DirectThreadNicknameChange"
                                        | "DirectGroupNameAndPhotoEditor"
                                        | "PostingGalleryPicker"
                                        | "PostingPostEdit"
                                        | "PostingNewPost"
                                        | "PostingCamera"
                                        | "PostingCameraGallery"
                                        | "PostingReelEditor"
                                        | "PostingNewReel"
                                        | "PostingPostVideoCameraGallery"
                                        | "PostingPostVideoCamera"
                                        | "PostingReelCamera"
                                        | "PostingStoryCameraHost"
                                        | "PostingStoryCameraGallery"
                                        | "PostingPostVideoNewReel"
                                        | "PostingStoryPhotoEditor"
                                        | "PostingStoryVideoEditor"
                                        | "PostingStoryStickerTray"
                                        | "PostingStoryMusicStickerEditor"
                                        | "PostingStoryShareSheet"
                                        | "PostingStoryAlsoShareTo"
                                        | "PostingStoryDoneCamera"
                                        | "PostingStoryMusicSearchHost"
                                        | "PostingMusicBrowser"
                                        | "PostingMusicSearchResults"
                                        | "PostingReelMusicOverlayDetail"
                                        | "PostingReelMusicEditor"
                                        | "ChallengeSelectVerifyMethod"
                                        | "ChallengeVerifyCode"
                                        | "ChallengeSubmitPhone"
                                        | "ChallengeSetNewPassword"
                                        | "ChallengeAddBirthday"
                                        | "ChallengeLoginReview"
                                        | "ChallengeAccountTemporarilyLocked"
                                        | "ChallengeEscalationInformation"
                                        | "ChallengeReviewContactPointChange"
                                        | "ChallengeScrapingWarning"
                                        | "ChallengeWebRecaptcha"
                                        | "ChallengeWebSetNewPassword"
                                        | "ChallengeTextCaptcha"
                                        | "ChallengeRecaptcha"
                                        | "ChallengeSetContactPoint"
                                        | "ChallengeContactPointCode"
                                        | "ChallengeAuthenticityWizard"
                                        | "ChallengeAwaitingReview"
                                        | "ChallengeThanksForProvidingInfo"
                                        | "ChallengeAccountSuspended",
                                        String,
                                    >;
                                },
                            >;
                            steps: $Array<
                                Union<
                                    readonly [
                                        Struct<
                                            { args: ...; edge: ...; item: ...; position: ...; screen: ... },
                                        >,
                                        Struct<{ input: ...; position: ...; screen: ...; via: ... }>,
                                    ],
                                >,
                            >;
                        },
                    >;
                },
            >,
        >,
        Struct<
            {
                app: Struct<
                    { platform: Literals<readonly ["android", "ios"]>; version: String },
                >;
                client: decodeTo<
                    toType<
                        Struct<
                            {
                                application: Struct<
                                    {
                                        adaptiveUi: optional<Boolean>;
                                        APP_VERSION: String;
                                        APP_VERSION_CODE: String;
                                        BLOKS_VERSION_ID: String;
                                        bloksClientContext: optional<Struct<(...)>>;
                                        bloksInfraTheme: optional<String>;
                                        bloksPrismExtendedPalette: optional<Struct<(...)>>;
                                        bloksThemeParams: optional<$Array<(...)>>;
                                        BREADCRUMB_KEY: String;
                                        CAPABILITIES: String;
                                        directInboxMode: optional<Number>;
                                        directSearchGenAiBotsLimit: optional<Number>;
                                        FACEBOOK_ANALYTICS_APPLICATION_ID: String;
                                        FACEBOOK_ANALYTICS_CLIENT_TOKEN: optional<String>;
                                        GRAPHQL_DOC_IDS: optional<$Record<(...), (...)>>;
                                        GRAPHQL_GZIP_MIN_BYTES: optional<Number>;
                                        GRAPHQL_OMIT_PRETTY: optional<Boolean>;
                                        GRAPHQL_SERVER_TIMESTAMPS: optional<Union<(...)>>;
                                        launchWire: optional<Literal<(...)>>;
                                        mediaLikeWire: optional<Literals<(...)>>;
                                        mediaNoteWire: optional<Literals<(...)>>;
                                        mediaRepostWire: optional<Literals<(...)>>;
                                        reelsTrayPageSize: optional<Number>;
                                        shoppingExperiments: optional<$Array<(...)>>;
                                        SUPPORTED_CAPABILITIES: $Array<Struct<(...)>>;
                                        ufiActionFlowActions: optional<$Array<(...)>>;
                                        ZERO_HEADERS: optional<Struct<(...)>>;
                                    },
                                >;
                                cookies: Unknown;
                                device: Struct<
                                    {
                                        adid: String;
                                        adsOptOut: optional<Boolean>;
                                        androidDevicePerformanceClass: optional<Number>;
                                        aymhAccounts: optional<$Array<(...)>>;
                                        battery: optional<Union<(...)>>;
                                        build: String;
                                        cloudTrustToken: optional<String>;
                                        currentKeyboardLanguage: optional<String>;
                                        descriptor: String;
                                        deviceStatus: optional<$Record<(...), (...)>>;
                                        familyDeviceSynced: optional<Boolean>;
                                        familyId: String;
                                        fbnsKey: optional<Struct<(...)>>;
                                        flashCallPermissionsStatus: optional<Struct<(...)>>;
                                        gmsCallRetrieverEligibility: optional<Literals<(...)>>;
                                        gpuMemoryMb: optional<Number>;
                                        hasCameraPermission: optional<Boolean>;
                                        hasGoogleAdId: optional<Boolean>;
                                        hasNotificationPermission: optional<Boolean>;
                                        id: String;
                                        isFoldable: optional<Boolean>;
                                        isLayoutRTL: Boolean;
                                        keyboardLanguage: optional<String>;
                                        language: String;
                                        lastPushRegistration: optional<Struct<(...)>>;
                                        location: optional<Struct<(...)>>;
                                        mobileConfig: optional<Struct<(...)>>;
                                        network: optional<Union<(...)>>;
                                        networkInfo: optional<Struct<(...)>>;
                                        networkSessionId: optional<String>;
                                        phoneId: String;
                                        pigeonIdentities: optional<$Record<(...), (...)>>;
                                        pushHpkeIdentity: optional<Struct<(...)>>;
                                        pushToken: optional<String>;
                                        radioType: optional<String>;
                                        ramSizeInGb: optional<Number>;
                                        rmd: optional<Struct<(...)>>;
                                        rmdNoValidMapTimes: optional<Struct<(...)>>;
                                        systemLanguages: optional<$Array<(...)>>;
                                        systemLocale: optional<String>;
                                        timezoneName: optional<String>;
                                        timezoneOffset: String;
                                        usdidIdentity: optional<Struct<(...)>>;
                                        uuid: String;
                                        videoEncoders: optional<$Record<(...), (...)>>;
                                        zeroAttestationIdentity: optional<Struct<(...)>>;
                                    },
                                >;
                                session: Struct<
                                    {
                                        appStartPhase: optional<Literal<(...)>>;
                                        appStartTimeMs: optional<Number>;
                                        authorization: optional<String>;
                                        bandwidth: optional<Struct<(...)>>;
                                        challenge: optional<$Record<(...), (...)>>;
                                        checkpoint: optional<$Record<(...), (...)>>;
                                        clientSessionIdLifetime: Number;
                                        directInboxCache: optional<Struct<(...)>>;
                                        directInboxSeqId: optional<Number>;
                                        directLoadedThreads: optional<$Array<(...)>>;
                                        dsUserId: optional<String>;
                                        familyDeviceIdBound: optional<Boolean>;
                                        fbidV2: optional<String>;
                                        igWWWClaim: optional<String>;
                                        lastCreationMode: optional<Literals<(...)>>;
                                        metaAiConsent: optional<Struct<(...)>>;
                                        metaSubsEntrypointSessions: optional<$Record<(...), (...)>>;
                                        msgrRegion: optional<String>;
                                        noteCtasFetchedAtMs: optional<Number>;
                                        passwordEncryptionKeyId: optional<String>;
                                        passwordEncryptionPubKey: optional<String>;
                                        pigeonSessionIdLifetime: Number;
                                        popularKeywordsRefreshedAtMs: optional<Number>;
                                        profileInfoFetches: optional<$Record<(...), (...)>>;
                                        quickPromotionCooldown: optional<Struct<(...)>>;
                                        quickPromotionImpressions: optional<$Record<(...), (...)>>;
                                        regionHint: optional<String>;
                                        rmdEvaluationStarted: optional<Boolean>;
                                        rur: optional<String>;
                                        sessionStartPhase: optional<Literal<(...)>>;
                                        shbid: optional<String>;
                                        shbts: optional<String>;
                                        thumbnailCacheBustingValue: Number;
                                        xMetaUsdid: optional<String>;
                                        xMid: optional<String>;
                                        zeroInterface: optional<Boolean>;
                                        zeroPhase: optional<Literals<(...)>>;
                                    },
                                >;
                            },
                        >,
                    >,
                    Struct<
                        {
                            application: Struct<
                                {
                                    adaptiveUi: optional<Boolean>;
                                    APP_VERSION: String;
                                    APP_VERSION_CODE: String;
                                    BLOKS_VERSION_ID: String;
                                    bloksClientContext: optional<Struct<{ keys: ... }>>;
                                    bloksInfraTheme: optional<String>;
                                    bloksPrismExtendedPalette: optional<
                                        Struct<{ gray: ...; polish: ... }>,
                                    >;
                                    bloksThemeParams: optional<$Array<Struct<(...)>>>;
                                    BREADCRUMB_KEY: String;
                                    CAPABILITIES: String;
                                    directInboxMode: optional<Number>;
                                    directSearchGenAiBotsLimit: optional<Number>;
                                    FACEBOOK_ANALYTICS_APPLICATION_ID: String;
                                    FACEBOOK_ANALYTICS_CLIENT_TOKEN: optional<String>;
                                    GRAPHQL_DOC_IDS: optional<$Record<String, String>>;
                                    GRAPHQL_GZIP_MIN_BYTES: optional<Number>;
                                    GRAPHQL_OMIT_PRETTY: optional<Boolean>;
                                    GRAPHQL_SERVER_TIMESTAMPS: optional<Union<readonly [(...), (...)]>>;
                                    launchWire: optional<Literal<"451">>;
                                    mediaLikeWire: optional<Literals<readonly [(...), (...)]>>;
                                    mediaNoteWire: optional<Literals<readonly [(...), (...)]>>;
                                    mediaRepostWire: optional<Literals<readonly [(...), (...)]>>;
                                    reelsTrayPageSize: optional<Number>;
                                    RMD_NO_VALID_MAP_TIMES: optional<Unknown>;
                                    shoppingExperiments: optional<$Array<String>>;
                                    SUPPORTED_CAPABILITIES: $Array<Struct<{ name: ...; value: ... }>>;
                                    ufiActionFlowActions: optional<$Array<Literals<(...)>>>;
                                    ZERO_HEADERS: optional<
                                        Struct<
                                            { authenticated: ...; "logged-out": ...; "rmd-evaluated": ... },
                                        >,
                                    >;
                                },
                            >;
                            cookies: Unknown;
                            device: Struct<
                                {
                                    adid: String;
                                    adsOptOut: optional<Boolean>;
                                    androidDevicePerformanceClass: optional<Number>;
                                    aymhAccounts: optional<$Array<$Record<(...), (...)>>>;
                                    battery: optional<Union<readonly [(...), (...)]>>;
                                    batteryLevel: optional<Unknown>;
                                    build: String;
                                    cloudTrustToken: optional<String>;
                                    connectionType: optional<Unknown>;
                                    currentKeyboardLanguage: optional<String>;
                                    descriptor: String;
                                    deviceStatus: optional<$Record<String, Unknown>>;
                                    familyDeviceSynced: optional<Boolean>;
                                    familyId: String;
                                    fbnsKey: optional<Struct<{ createdAt: ...; publicKey: ... }>>;
                                    flashCallPermissionsStatus: optional<
                                        Struct<
                                            {
                                                ANSWER_PHONE_CALLS: ...;
                                                READ_CALL_LOG: ...;
                                                READ_PHONE_STATE: ...;
                                            },
                                        >,
                                    >;
                                    gmsCallRetrieverEligibility: optional<
                                        Literals<readonly [(...), (...)]>,
                                    >;
                                    gpuMemoryMb: optional<Number>;
                                    hasCameraPermission: optional<Boolean>;
                                    hasGoogleAdId: optional<Boolean>;
                                    hasNotificationPermission: optional<Boolean>;
                                    id: String;
                                    isCharging: optional<Unknown>;
                                    isFoldable: optional<Boolean>;
                                    isLayoutRTL: Boolean;
                                    keyboardLanguage: optional<String>;
                                    language: String;
                                    lastPushRegistration: optional<Struct<{ at: ... }>>;
                                    location: optional<Struct<{ lat: ...; lng: ... }>>;
                                    mobileConfig: optional<
                                        Struct<{ accounts: ...; appVersion: ...; sessionless: ... }>,
                                    >;
                                    network: optional<Union<readonly [(...), (...)]>>;
                                    networkInfo: optional<
                                        Struct<
                                            {
                                                active_subscriptions_info: ...;
                                                default_subscription_info: ...;
                                                is_active_network_cellular: ...;
                                                is_airplane_mode: ...;
                                                is_device_sms_capable: ...;
                                                is_wifi: ...;
                                                sim_count: ...;
                                            },
                                        >,
                                    >;
                                    networkSessionId: optional<String>;
                                    phoneId: String;
                                    pigeonIdentities: optional<$Record<String, Struct<(...)>>>;
                                    pushHpkeIdentity: optional<
                                        Struct<{ keystoreId: ...; privKeyPem: ...; pubKeyB64: ... }>,
                                    >;
                                    pushToken: optional<String>;
                                    radioType: optional<String>;
                                    ramSizeInGb: optional<Number>;
                                    rmd: optional<Struct<{ kind: ... }>>;
                                    rmdNoValidMapTimes: optional<
                                        Struct<{ recvTime: ...; reqTime: ... }>,
                                    >;
                                    systemLanguages: optional<$Array<String>>;
                                    systemLocale: optional<String>;
                                    timezoneName: optional<String>;
                                    timezoneOffset: String;
                                    usdidIdentity: optional<
                                        Struct<
                                            { kid: ...; privKeyPem: ...; pubKeySpkiB64: ...; uuid: ... },
                                        >,
                                    >;
                                    uuid: String;
                                    videoEncoders: optional<$Record<String, $Array<(...)>>>;
                                    zeroAttestationIdentity: optional<
                                        Struct<{ keyHash: ...; privKeyPem: ...; uploadedAtMs: ... }>,
                                    >;
                                },
                            >;
                            session: Struct<
                                {
                                    adsOptOut: optional<Unknown>;
                                    appStartPhase: optional<Literal<"cold">>;
                                    appStartTimeMs: optional<Number>;
                                    authorization: optional<String>;
                                    bandwidth: optional<
                                        Struct<{ bytes: ...; carried: ...; ms: ...; stack: ... }>,
                                    >;
                                    challenge: optional<$Record<String, Unknown>>;
                                    checkpoint: optional<$Record<String, Unknown>>;
                                    clientSessionIdLifetime: Number;
                                    directInboxCache: optional<Struct<{ threads: ... }>>;
                                    directInboxSeqId: optional<Number>;
                                    directLoadedThreads: optional<$Array<String>>;
                                    dsUserId: optional<String>;
                                    familyDeviceIdBound: optional<Boolean>;
                                    fbidV2: optional<String>;
                                    igWWWClaim: optional<String>;
                                    lastCreationMode: optional<Literals<readonly [(...), (...), (...)]>>;
                                    metaAiConsent: optional<
                                        Struct<
                                            {
                                                cacheTimeSeconds: ...;
                                                fetchedAtSeconds: ...;
                                                nuxType: ...;
                                                requiresNux: ...;
                                                text: ...;
                                                version: ...;
                                            },
                                        >,
                                    >;
                                    metaSubsEntrypointSessions: optional<$Record<String, Struct<(...)>>>;
                                    msgrRegion: optional<String>;
                                    navChain: optional<Unknown>;
                                    navigation: optional<Unknown>;
                                    noteCtasFetchedAtMs: optional<Number>;
                                    passwordEncryptionKeyId: optional<String>;
                                    passwordEncryptionPubKey: optional<String>;
                                    pigeonSessionIdLifetime: Number;
                                    popularKeywordsRefreshedAtMs: optional<Number>;
                                    profileInfoFetches: optional<$Record<String, Struct<(...)>>>;
                                    quickPromotionCooldown: optional<
                                        Struct<{ defaultMs: ...; slots: ... }>,
                                    >;
                                    quickPromotionImpressions: optional<$Record<String, Struct<(...)>>>;
                                    regionHint: optional<String>;
                                    rmd: optional<Unknown>;
                                    rmdEvaluationStarted: optional<Boolean>;
                                    rur: optional<String>;
                                    sessionStartPhase: optional<Literal<"starting">>;
                                    shbid: optional<String>;
                                    shbts: optional<String>;
                                    thumbnailCacheBustingValue: Number;
                                    xMetaUsdid: optional<String>;
                                    xMid: optional<String>;
                                    zeroInterface: optional<Boolean>;
                                    zeroPhase: optional<Literals<readonly [(...), (...), (...)]>>;
                                },
                            >;
                        },
                    >,
                    never,
                    never,
                >;
                format: Int;
                process: Struct<
                    {
                        active: Int;
                        bloksPrismLoaded: Boolean;
                        extras: $Record<String, Codec<Json, Json, never, never>>;
                        launchStarted: Boolean;
                        loggedOutOpened: Boolean;
                        mobileConfig: Struct<
                            {
                                sessionless: $Record<
                                    String,
                                    $Record<String, Union<readonly [(...), (...), (...)]>>,
                                >;
                                user: optional<
                                    Struct<{ account: String; configs: $Record<(...), (...)> }>,
                                >;
                            },
                        >;
                        navigation: Struct<
                            {
                                cdsContainer: optionalKey<
                                    Union<readonly [Struct<(...)>, Struct<(...)>]>,
                                >;
                                chain: optionalKey<Struct<{ entries: $Array<(...)>; ordinal: Int }>>;
                                current: optionalKey<Union<readonly [Struct<(...)>, Struct<(...)>]>>;
                                surfaces: optionalKey<
                                    $Array<Struct<{ atMs: ...; screen: ...; source: ... }>>,
                                >;
                            },
                        >;
                        ordinal: Int;
                        root: Struct<
                            {
                                input: optionalKey<Codec<Json, Json, never, never>>;
                                interruption: optionalKey<Literal<true>>;
                                screen: refine<
                                    | "LoginHomepage"
                                    | "LoginHomeCds"
                                    | "LandingScreen"
                                    | "LoginTwoFactorEntrypoint"
                                    | "LoginTwoFactorMethodPicker"
                                    | "LoginTwoFactorEnterTotpCode"
                                    | "AccountRecoverySearchCds"
                                    | "AccountRecoverySearch"
                                    | "AccountRecoveryAuthenticationConfirmation"
                                    | "AccountRecoveryEmailCode"
                                    | "RegistrationPhoneNumber"
                                    | "RegistrationConfirmationCode"
                                    | "RegistrationPassword"
                                    | "RegistrationBirthday"
                                    | "RegistrationName"
                                    | "RegistrationUsername"
                                    | "RegistrationTermsOfService"
                                    | "SaveCredentials"
                                    | "AccountRecoverySuccessLocationPermission"
                                    | "FeedTimeline"
                                    | "PostOpenedFromLink"
                                    | "ReelsViewer"
                                    | "MediaComments"
                                    | "RepostNoteEditor"
                                    | "Explore"
                                    | "SearchInput"
                                    | "SearchResultsTopTab"
                                    | "SearchResultsAccountsTab"
                                    | "UserProfile"
                                    | "ProfileMediaTab"
                                    | "MyProfile"
                                    | "MyProfileMediaTab"
                                    | "EditProfile"
                                    | "EditProfileBio"
                                    | "EditProfileUsername"
                                    | "EditProfileLinks"
                                    | "EditProfileAddLink"
                                    | "ProfilePostsFeed"
                                    | "FeedTimelineFollowing"
                                    | "UserProfileReelsTab"
                                    | "DirectInbox"
                                    | "DirectRecipientPicker"
                                    | "DirectThread"
                                    | "DirectCustomizeChat"
                                    | "DirectThreadThemePicker"
                                    | "DirectThreadDetails"
                                    | "DirectThreadSharedMedia"
                                    | "DirectThreadNicknames"
                                    | "DirectThreadNicknameChange"
                                    | "DirectGroupNameAndPhotoEditor"
                                    | "PostingGalleryPicker"
                                    | "PostingPostEdit"
                                    | "PostingNewPost"
                                    | "PostingCamera"
                                    | "PostingCameraGallery"
                                    | "PostingReelEditor"
                                    | "PostingNewReel"
                                    | "PostingPostVideoCameraGallery"
                                    | "PostingPostVideoCamera"
                                    | "PostingReelCamera"
                                    | "PostingStoryCameraHost"
                                    | "PostingStoryCameraGallery"
                                    | "PostingPostVideoNewReel"
                                    | "PostingStoryPhotoEditor"
                                    | "PostingStoryVideoEditor"
                                    | "PostingStoryStickerTray"
                                    | "PostingStoryMusicStickerEditor"
                                    | "PostingStoryShareSheet"
                                    | "PostingStoryAlsoShareTo"
                                    | "PostingStoryDoneCamera"
                                    | "PostingStoryMusicSearchHost"
                                    | "PostingMusicBrowser"
                                    | "PostingMusicSearchResults"
                                    | "PostingReelMusicOverlayDetail"
                                    | "PostingReelMusicEditor"
                                    | "ChallengeSelectVerifyMethod"
                                    | "ChallengeVerifyCode"
                                    | "ChallengeSubmitPhone"
                                    | "ChallengeSetNewPassword"
                                    | "ChallengeAddBirthday"
                                    | "ChallengeLoginReview"
                                    | "ChallengeAccountTemporarilyLocked"
                                    | "ChallengeEscalationInformation"
                                    | "ChallengeReviewContactPointChange"
                                    | "ChallengeScrapingWarning"
                                    | "ChallengeWebRecaptcha"
                                    | "ChallengeWebSetNewPassword"
                                    | "ChallengeTextCaptcha"
                                    | "ChallengeRecaptcha"
                                    | "ChallengeSetContactPoint"
                                    | "ChallengeContactPointCode"
                                    | "ChallengeAuthenticityWizard"
                                    | "ChallengeAwaitingReview"
                                    | "ChallengeThanksForProvidingInfo"
                                    | "ChallengeAccountSuspended",
                                    String,
                                >;
                                via: optionalKey<
                                    Struct<
                                        { skipOrdinals: optionalKey<(...)>; source: Literals<(...)> },
                                    >,
                                >;
                            },
                        >;
                        sessionOrigin: Union<
                            readonly [
                                Struct<
                                    {
                                        loginPath: optionalKey<Literals<(...)>>;
                                        origin: Literal<"created">;
                                    },
                                >,
                                Struct<
                                    {
                                        begun: optionalKey<Literal<(...)>>;
                                        origin: Literal<"stored">;
                                        stored: optionalKey<Unknown>;
                                    },
                                >,
                            ],
                        >;
                        stacks: $Array<
                            Struct<
                                {
                                    frames: $Array<
                                        Struct<
                                            {
                                                chainLengthBefore: ...;
                                                data: ...;
                                                extra: ...;
                                                input: ...;
                                                items: ...;
                                                kind: ...;
                                                left: ...;
                                                lookup: ...;
                                                reach: ...;
                                                replaced: ...;
                                                screen: ...;
                                                visit: ...;
                                            },
                                        >,
                                    >;
                                    navigation: Struct<
                                        {
                                            cdsContainer: optionalKey<(...)>;
                                            chain: optionalKey<(...)>;
                                            current: optionalKey<(...)>;
                                            surfaces: optionalKey<(...)>;
                                        },
                                    >;
                                    tab: Union<readonly [Struct<(...)>, Struct<(...)>]>;
                                },
                            >,
                        >;
                        startedWithSession: Boolean;
                        telemetry: Struct<{ pigeonSessionStarted: Boolean }>;
                        traySession: Struct<{ traySessionId: String }>;
                        usdidRegistered: Boolean;
                    },
                >;
                screen: refine<
                    | "LoginHomepage"
                    | "LoginHomeCds"
                    | "LandingScreen"
                    | "LoginTwoFactorEntrypoint"
                    | "LoginTwoFactorMethodPicker"
                    | "LoginTwoFactorEnterTotpCode"
                    | "AccountRecoverySearchCds"
                    | "AccountRecoverySearch"
                    | "AccountRecoveryAuthenticationConfirmation"
                    | "AccountRecoveryEmailCode"
                    | "RegistrationPhoneNumber"
                    | "RegistrationConfirmationCode"
                    | "RegistrationPassword"
                    | "RegistrationBirthday"
                    | "RegistrationName"
                    | "RegistrationUsername"
                    | "RegistrationTermsOfService"
                    | "SaveCredentials"
                    | "AccountRecoverySuccessLocationPermission"
                    | "FeedTimeline"
                    | "PostOpenedFromLink"
                    | "ReelsViewer"
                    | "MediaComments"
                    | "RepostNoteEditor"
                    | "Explore"
                    | "SearchInput"
                    | "SearchResultsTopTab"
                    | "SearchResultsAccountsTab"
                    | "UserProfile"
                    | "ProfileMediaTab"
                    | "MyProfile"
                    | "MyProfileMediaTab"
                    | "EditProfile"
                    | "EditProfileBio"
                    | "EditProfileUsername"
                    | "EditProfileLinks"
                    | "EditProfileAddLink"
                    | "ProfilePostsFeed"
                    | "FeedTimelineFollowing"
                    | "UserProfileReelsTab"
                    | "DirectInbox"
                    | "DirectRecipientPicker"
                    | "DirectThread"
                    | "DirectCustomizeChat"
                    | "DirectThreadThemePicker"
                    | "DirectThreadDetails"
                    | "DirectThreadSharedMedia"
                    | "DirectThreadNicknames"
                    | "DirectThreadNicknameChange"
                    | "DirectGroupNameAndPhotoEditor"
                    | "PostingGalleryPicker"
                    | "PostingPostEdit"
                    | "PostingNewPost"
                    | "PostingCamera"
                    | "PostingCameraGallery"
                    | "PostingReelEditor"
                    | "PostingNewReel"
                    | "PostingPostVideoCameraGallery"
                    | "PostingPostVideoCamera"
                    | "PostingReelCamera"
                    | "PostingStoryCameraHost"
                    | "PostingStoryCameraGallery"
                    | "PostingPostVideoNewReel"
                    | "PostingStoryPhotoEditor"
                    | "PostingStoryVideoEditor"
                    | "PostingStoryStickerTray"
                    | "PostingStoryMusicStickerEditor"
                    | "PostingStoryShareSheet"
                    | "PostingStoryAlsoShareTo"
                    | "PostingStoryDoneCamera"
                    | "PostingStoryMusicSearchHost"
                    | "PostingMusicBrowser"
                    | "PostingMusicSearchResults"
                    | "PostingReelMusicOverlayDetail"
                    | "PostingReelMusicEditor"
                    | "ChallengeSelectVerifyMethod"
                    | "ChallengeVerifyCode"
                    | "ChallengeSubmitPhone"
                    | "ChallengeSetNewPassword"
                    | "ChallengeAddBirthday"
                    | "ChallengeLoginReview"
                    | "ChallengeAccountTemporarilyLocked"
                    | "ChallengeEscalationInformation"
                    | "ChallengeReviewContactPointChange"
                    | "ChallengeScrapingWarning"
                    | "ChallengeWebRecaptcha"
                    | "ChallengeWebSetNewPassword"
                    | "ChallengeTextCaptcha"
                    | "ChallengeRecaptcha"
                    | "ChallengeSetContactPoint"
                    | "ChallengeContactPointCode"
                    | "ChallengeAuthenticityWizard"
                    | "ChallengeAwaitingReview"
                    | "ChallengeThanksForProvidingInfo"
                    | "ChallengeAccountSuspended",
                    String,
                >;
                trail: Struct<
                    {
                        app: Struct<
                            {
                                platform: Literals<readonly ["android", "ios"]>;
                                version: String;
                            },
                        >;
                        format: Literal<4>;
                        root: Struct<
                            {
                                input: optionalKey<Codec<Json, Json, never, never>>;
                                position: optionalKey<Codec<Json, Json, never, never>>;
                                screen: refine<
                                    | "LoginHomepage"
                                    | "LoginHomeCds"
                                    | "LandingScreen"
                                    | "LoginTwoFactorEntrypoint"
                                    | "LoginTwoFactorMethodPicker"
                                    | "LoginTwoFactorEnterTotpCode"
                                    | "AccountRecoverySearchCds"
                                    | "AccountRecoverySearch"
                                    | "AccountRecoveryAuthenticationConfirmation"
                                    | "AccountRecoveryEmailCode"
                                    | "RegistrationPhoneNumber"
                                    | "RegistrationConfirmationCode"
                                    | "RegistrationPassword"
                                    | "RegistrationBirthday"
                                    | "RegistrationName"
                                    | "RegistrationUsername"
                                    | "RegistrationTermsOfService"
                                    | "SaveCredentials"
                                    | "AccountRecoverySuccessLocationPermission"
                                    | "FeedTimeline"
                                    | "PostOpenedFromLink"
                                    | "ReelsViewer"
                                    | "MediaComments"
                                    | "RepostNoteEditor"
                                    | "Explore"
                                    | "SearchInput"
                                    | "SearchResultsTopTab"
                                    | "SearchResultsAccountsTab"
                                    | "UserProfile"
                                    | "ProfileMediaTab"
                                    | "MyProfile"
                                    | "MyProfileMediaTab"
                                    | "EditProfile"
                                    | "EditProfileBio"
                                    | "EditProfileUsername"
                                    | "EditProfileLinks"
                                    | "EditProfileAddLink"
                                    | "ProfilePostsFeed"
                                    | "FeedTimelineFollowing"
                                    | "UserProfileReelsTab"
                                    | "DirectInbox"
                                    | "DirectRecipientPicker"
                                    | "DirectThread"
                                    | "DirectCustomizeChat"
                                    | "DirectThreadThemePicker"
                                    | "DirectThreadDetails"
                                    | "DirectThreadSharedMedia"
                                    | "DirectThreadNicknames"
                                    | "DirectThreadNicknameChange"
                                    | "DirectGroupNameAndPhotoEditor"
                                    | "PostingGalleryPicker"
                                    | "PostingPostEdit"
                                    | "PostingNewPost"
                                    | "PostingCamera"
                                    | "PostingCameraGallery"
                                    | "PostingReelEditor"
                                    | "PostingNewReel"
                                    | "PostingPostVideoCameraGallery"
                                    | "PostingPostVideoCamera"
                                    | "PostingReelCamera"
                                    | "PostingStoryCameraHost"
                                    | "PostingStoryCameraGallery"
                                    | "PostingPostVideoNewReel"
                                    | "PostingStoryPhotoEditor"
                                    | "PostingStoryVideoEditor"
                                    | "PostingStoryStickerTray"
                                    | "PostingStoryMusicStickerEditor"
                                    | "PostingStoryShareSheet"
                                    | "PostingStoryAlsoShareTo"
                                    | "PostingStoryDoneCamera"
                                    | "PostingStoryMusicSearchHost"
                                    | "PostingMusicBrowser"
                                    | "PostingMusicSearchResults"
                                    | "PostingReelMusicOverlayDetail"
                                    | "PostingReelMusicEditor"
                                    | "ChallengeSelectVerifyMethod"
                                    | "ChallengeVerifyCode"
                                    | "ChallengeSubmitPhone"
                                    | "ChallengeSetNewPassword"
                                    | "ChallengeAddBirthday"
                                    | "ChallengeLoginReview"
                                    | "ChallengeAccountTemporarilyLocked"
                                    | "ChallengeEscalationInformation"
                                    | "ChallengeReviewContactPointChange"
                                    | "ChallengeScrapingWarning"
                                    | "ChallengeWebRecaptcha"
                                    | "ChallengeWebSetNewPassword"
                                    | "ChallengeTextCaptcha"
                                    | "ChallengeRecaptcha"
                                    | "ChallengeSetContactPoint"
                                    | "ChallengeContactPointCode"
                                    | "ChallengeAuthenticityWizard"
                                    | "ChallengeAwaitingReview"
                                    | "ChallengeThanksForProvidingInfo"
                                    | "ChallengeAccountSuspended",
                                    String,
                                >;
                            },
                        >;
                        steps: $Array<
                            Union<
                                readonly [
                                    Struct<
                                        {
                                            args: Codec<(...), (...), (...), (...)>;
                                            edge: String;
                                            item: optionalKey<(...)>;
                                            position: optionalKey<(...)>;
                                            screen: refine<(...), (...)>;
                                        },
                                    >,
                                    Struct<
                                        {
                                            input: optionalKey<(...)>;
                                            position: optionalKey<(...)>;
                                            screen: refine<(...), (...)>;
                                            via: Struct<(...)>;
                                        },
                                    >,
                                ],
                            >,
                        >;
                    },
                >;
            },
        >,
        never,
        never,
    > = ...

    A checkpoint is read as the release wrote it and handed over in this release's layout: the one place a released checkpoint's older shapes are migrated (the session origin's stored, with the routing map it set aside). The migration touches no stored value of the current layout, which is a case of the released one, so a checkpoint this build wrote reads back as it was.