objc2_local_authentication/generated/

LAContext.rs

//! This file has been automatically generated by `objc2`'s `header-translator`.
//! DO NOT EDIT
use core::ffi::*;
use core::ptr::NonNull;
use objc2::__framework_prelude::*;
use objc2_foundation::*;
#[cfg(feature = "objc2-security")]
use objc2_security::*;

use crate::*;

/// [Apple's documentation](https://developer.apple.com/documentation/localauthentication/lapolicy?language=objc)
// NS_ENUM
#[repr(transparent)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct LAPolicy(pub NSInteger);
impl LAPolicy {
    /// Device owner will be authenticated using a biometric method (Touch ID).
    ///
    ///
    /// Biometric authentication is required. If Touch ID is not available, not enrolled
    /// or locked out, then the evaluation of this policy will fail with LAErrorBiometryNotAvailable,
    /// LAErrorBiometryNotEnrolled or LAErrorBiometryLockout.
    ///
    /// Touch ID authentication dialog contains a cancel button with default title "Cancel"
    /// which can be customized using localizedCancelTitle property, and a fallback button with
    /// default title "Use Password…" which can be customized using localizedFallbackTitle
    /// property. Clicking either button causes evaluatePolicy call to fail, returning a distinct
    /// error code: LAErrorUserCancel or LAErrorUserFallback.
    ///
    /// Biometric authentication will get locked after 5 unsuccessful attempts. After that,
    /// users have to unlock it by entering their account password. The password can be entered
    /// either at login window or in the preference sheets or even in application by the means of
    /// LAPolicyDeviceOwnerAuthentication. The system unlock is preferred user experience because
    /// we generaly don't want users to enter their account password at application's request.
    #[doc(alias = "LAPolicyDeviceOwnerAuthenticationWithBiometrics")]
    pub const DeviceOwnerAuthenticationWithBiometrics: Self = Self(1);
    /// Device owner will be authenticated by biometry or user password.
    ///
    ///
    /// Touch ID or user password authentication is required. If Touch ID is not available,
    /// not enrolled or locked out, then the user is asked for password right away.
    ///
    /// Touch ID authentication dialog behaves similarly as the one used by
    /// LAPolicyDeviceOwnerAuthenticationWithBiometrics. However, the "Use Password.." button does
    /// not end the authentication. Instead, it switches the authentication mechanism to user password.
    #[doc(alias = "LAPolicyDeviceOwnerAuthentication")]
    pub const DeviceOwnerAuthentication: Self = Self(2);
    /// Device owner will be authenticated by a companion device e.g. Watch, Mac, etc.
    ///
    ///
    /// Companion authentication is required. If no nearby paired companion device can be found,
    /// LAErrorCompanionNotAvailable is returned.
    ///
    /// Users should follow instructions on the companion device to authenticate.
    #[doc(alias = "LAPolicyDeviceOwnerAuthenticationWithCompanion")]
    pub const DeviceOwnerAuthenticationWithCompanion: Self = Self(3);
    /// Device owner will be authenticated by biometry or a companion device e.g. Watch, Mac, etc.
    ///
    ///
    /// Companion or biometric authentication is required. If no nearby paired companion device can be found,
    /// it behaves as LAPolicyDeviceOwnerAuthenticationWithBiometrics. Similarly, if biometry is
    /// unavailable it behaves as LAPolicyDeviceOwnerAuthenticationWithCompanion.
    ///
    /// Depending on the companion type and biometry and companion availability,
    /// either a user is asked to authenticate with biometry and on a companion device in parallel
    /// or the companion authentication takes precedence
    /// and a user is asked to authenticate exclusively on the companion device if available.
    /// Users should follow instructions on the companion device to authenticate.
    #[doc(alias = "LAPolicyDeviceOwnerAuthenticationWithBiometricsOrCompanion")]
    pub const DeviceOwnerAuthenticationWithBiometricsOrCompanion: Self = Self(4);
    /// Device owner will be authenticated by device passcode. The authentication will also succeed if the wrist detection is enabled,
    /// correct passcode was entered in the past and the watch has been on the wrist ever since.
    #[doc(alias = "LAPolicyDeviceOwnerAuthenticationWithWristDetection")]
    pub const DeviceOwnerAuthenticationWithWristDetection: Self = Self(5);
    /// Device owner will be authenticated by Watch.
    ///
    ///
    /// Watch authentication is required. If no nearby paired watch device can be found,
    /// LAErrorWatchNotAvailable is returned.
    ///
    /// Watch authentication dialog looks and behaves similarly to the biometric variant. Users can
    /// confirm authentication by double-clicking the side button on their watch.
    #[doc(alias = "LAPolicyDeviceOwnerAuthenticationWithWatch")]
    #[deprecated]
    pub const DeviceOwnerAuthenticationWithWatch: Self = Self(3);
    /// Device owner will be authenticated by biometry or Watch.
    ///
    ///
    /// Watch or biometric authentication is required. If no nearby paired watch device can be found,
    /// it behaves as LAPolicyDeviceOwnerAuthenticationWithBiometrics. Similarly, if biometry is
    /// unavailable it behaves as LAPolicyDeviceOwnerAuthenticationWithWatch.
    ///
    /// Watch authentication dialog looks and behaves similarly to biometric variant. When both
    /// mechanisms are available, user is asked to use biometry and watch authentication will run in
    /// parallel.
    #[doc(alias = "LAPolicyDeviceOwnerAuthenticationWithBiometricsOrWatch")]
    #[deprecated]
    pub const DeviceOwnerAuthenticationWithBiometricsOrWatch: Self = Self(4);
}

unsafe impl Encode for LAPolicy {
    const ENCODING: Encoding = NSInteger::ENCODING;
}

unsafe impl RefEncode for LAPolicy {
    const ENCODING_REF: Encoding = Encoding::Pointer(&Self::ENCODING);
}

extern "C" {
    /// The maximum value for LAContext touchIDAuthenticationAllowableReuseDuration property.
    ///
    /// See also [Apple's documentation](https://developer.apple.com/documentation/localauthentication/latouchidauthenticationmaximumallowablereuseduration?language=objc)
    pub static LATouchIDAuthenticationMaximumAllowableReuseDuration: NSTimeInterval;
}

/// [Apple's documentation](https://developer.apple.com/documentation/localauthentication/lacredentialtype?language=objc)
// NS_ENUM
#[repr(transparent)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct LACredentialType(pub NSInteger);
impl LACredentialType {
    /// Password provided by application
    ///
    ///
    /// If not set, LocalAuthentication will ask for the password when necessary. It will use
    /// its own user interface depending on the evaluated policy or ACL.
    /// Applications can provide the password using the setCredential method. In such case,
    /// LocalAuthentication will not show password entry user interface.
    /// When entered from the LocalAuthentication user interface, the password is stored as
    /// UTF-8 encoded string.
    #[doc(alias = "LACredentialTypeApplicationPassword")]
    pub const ApplicationPassword: Self = Self(0);
    /// Smart card PIN provided by application
    ///
    ///
    /// If not set, LocalAuthentication will ask users for the smart card PIN when necessary.
    /// Applications can provide the PIN using setCredential method. In such case,
    /// LocalAuthentication will not show the smart card PIN user interface.
    /// When entered from the LocalAuthentication user interface, the PIN is stored as
    /// UTF-8 encoded string.
    #[doc(alias = "LACredentialTypeSmartCardPIN")]
    pub const SmartCardPIN: Self = Self(-3);
}

unsafe impl Encode for LACredentialType {
    const ENCODING: Encoding = NSInteger::ENCODING;
}

unsafe impl RefEncode for LACredentialType {
    const ENCODING_REF: Encoding = Encoding::Pointer(&Self::ENCODING);
}

/// [Apple's documentation](https://developer.apple.com/documentation/localauthentication/laaccesscontroloperation?language=objc)
// NS_ENUM
#[repr(transparent)]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub struct LAAccessControlOperation(pub NSInteger);
impl LAAccessControlOperation {
    /// Access control will be used for item creation.
    #[doc(alias = "LAAccessControlOperationCreateItem")]
    pub const CreateItem: Self = Self(0);
    /// Access control will be used for accessing existing item.
    #[doc(alias = "LAAccessControlOperationUseItem")]
    pub const UseItem: Self = Self(1);
    /// Access control will be used for key creation.
    #[doc(alias = "LAAccessControlOperationCreateKey")]
    pub const CreateKey: Self = Self(2);
    /// Access control will be used for sign operation with existing key.
    #[doc(alias = "LAAccessControlOperationUseKeySign")]
    pub const UseKeySign: Self = Self(3);
    /// Access control will be used for data decryption using existing key.
    #[doc(alias = "LAAccessControlOperationUseKeyDecrypt")]
    pub const UseKeyDecrypt: Self = Self(4);
    /// Access control will be used for key exchange.
    #[doc(alias = "LAAccessControlOperationUseKeyKeyExchange")]
    pub const UseKeyKeyExchange: Self = Self(5);
}

unsafe impl Encode for LAAccessControlOperation {
    const ENCODING: Encoding = NSInteger::ENCODING;
}

unsafe impl RefEncode for LAAccessControlOperation {
    const ENCODING_REF: Encoding = Encoding::Pointer(&Self::ENCODING);
}

extern_class!(
    /// Class that represents an authentication context.
    ///
    ///
    /// This context can be used for evaluating policies.
    ///
    ///
    /// See: LAPolicy
    ///
    /// See also [Apple's documentation](https://developer.apple.com/documentation/localauthentication/lacontext?language=objc)
    #[unsafe(super(NSObject))]
    #[derive(Debug, PartialEq, Eq, Hash)]
    pub struct LAContext;
);

extern_conformance!(
    unsafe impl NSObjectProtocol for LAContext {}
);

impl LAContext {
    extern_methods!(
        /// Determines if a particular policy can be evaluated.
        ///
        ///
        /// Policies can have certain requirements which, when not satisfied, would always cause
        /// the policy evaluation to fail - e.g. a passcode set, a fingerprint
        /// enrolled with Touch ID or a face set up with Face ID. This method allows easy checking
        /// for such conditions.
        ///
        /// Applications should consume the returned value immediately and avoid relying on it
        /// for an extensive period of time. At least, it is guaranteed to stay valid until the
        /// application enters background.
        ///
        ///
        /// Warning: Do not call this method in the reply block of evaluatePolicy:reply: because it could
        /// lead to a deadlock.
        ///
        ///
        /// Parameter `policy`: Policy for which the preflight check should be run.
        ///
        ///
        /// Parameter `error`: Optional output parameter which is set to nil if the policy can be evaluated, or it
        /// contains error information if policy evaluation is not possible.
        ///
        ///
        /// Returns: YES if the policy can be evaluated, NO otherwise.
        #[unsafe(method(canEvaluatePolicy:error:_))]
        #[unsafe(method_family = none)]
        pub unsafe fn canEvaluatePolicy_error(
            &self,
            policy: LAPolicy,
        ) -> Result<(), Retained<NSError>>;

        #[cfg(feature = "block2")]
        /// Evaluates the specified policy.
        ///
        ///
        /// Policy evaluation may involve prompting user for various kinds of interaction
        /// or authentication. Actual behavior is dependent on evaluated policy, device type,
        /// and can be affected by installed configuration profiles.
        ///
        /// Be sure to keep a strong reference to the context while the evaluation is in progress.
        /// Otherwise, an evaluation would be canceled when the context is being deallocated.
        ///
        /// The method does not block. Instead, the caller must provide a reply block to be
        /// called asynchronously when evaluation finishes. The block is executed on a private
        /// queue internal to the framework in an unspecified threading context. Other than that,
        /// no guarantee is made about which queue, thread, or run-loop the block is executed on.
        ///
        /// Implications of successful policy evaluation are policy specific. In general, this
        /// operation is not idempotent. Policy evaluation may fail for various reasons, including
        /// user cancel, system cancel and others, see LAError codes.
        ///
        ///
        /// Parameter `policy`: Policy to be evaluated.
        ///
        ///
        /// Parameter `reply`: Reply block that is executed when policy evaluation finishes.
        /// success Reply parameter that is YES if the policy has been evaluated successfully or
        /// NO if the evaluation failed.
        /// error Reply parameter that is nil if the policy has been evaluated successfully, or it
        /// contains error information about the evaluation failure.
        ///
        ///
        /// Parameter `localizedReason`: Application reason for authentication. This string must be provided in correct
        /// localization and should be short and clear. It will be eventually displayed in
        /// the authentication dialog as a part of the following string:
        /// "<appname>" is trying to
        /// <localized
        /// reason>.
        ///
        /// For example, if the app name is "TestApp" and localizedReason is passed "access
        /// the hidden records", then the authentication prompt will read:
        /// "TestApp" is trying to access the hidden records.
        ///
        ///
        /// Warning: localizedReason parameter is mandatory and the call will throw NSInvalidArgumentException if
        /// nil or empty string is specified.
        ///
        ///
        /// See: LAError
        ///
        /// Typical error codes returned by this call are:
        ///
        /// LAErrorUserFallback if user tapped the fallback button
        ///
        /// LAErrorUserCancel if user has tapped the Cancel button
        ///
        /// LAErrorSystemCancel if some system event interrupted the evaluation (e.g. Home button pressed).
        ///
        /// # Safety
        ///
        /// `reply` block must be sendable.
        #[unsafe(method(evaluatePolicy:localizedReason:reply:))]
        #[unsafe(method_family = none)]
        pub unsafe fn evaluatePolicy_localizedReason_reply(
            &self,
            policy: LAPolicy,
            localized_reason: &NSString,
            reply: &block2::DynBlock<dyn Fn(Bool, *mut NSError)>,
        );

        /// Invalidates the context.
        ///
        ///
        /// The context is invalidated automatically when it is (auto)released. This method
        /// allows invalidating it manually while it is still in scope.
        ///
        /// Invalidation terminates any existing policy evaluation and the respective call will
        /// fail with LAErrorAppCancel. After the context has been invalidated, it can not be
        /// used for policy evaluation and an attempt to do so will fail with LAErrorInvalidContext.
        ///
        /// Invalidating a context that has been already invalidated has no effect.
        #[unsafe(method(invalidate))]
        #[unsafe(method_family = none)]
        pub unsafe fn invalidate(&self);

        /// Sets a credential to this context.
        ///
        ///
        /// Some policies allow to bind application-provided credential with them.
        /// This method allows credential to be passed to the right context.
        ///
        ///
        /// Parameter `credential`: Credential to be used with subsequent calls. Setting this parameter to nil will remove
        /// any existing credential of the specified type.
        ///
        ///
        /// Parameter `type`: Type of the provided credential.
        ///
        ///
        /// Returns: YES if the credential was set successfully, NO otherwise.
        #[unsafe(method(setCredential:type:))]
        #[unsafe(method_family = none)]
        pub unsafe fn setCredential_type(
            &self,
            credential: Option<&NSData>,
            r#type: LACredentialType,
        ) -> bool;

        /// Reveals if credential was set with this context.
        ///
        ///
        /// Parameter `type`: Type of credential we are asking for.
        ///
        ///
        /// Returns: YES on success, NO otherwise.
        #[unsafe(method(isCredentialSet:))]
        #[unsafe(method_family = none)]
        pub unsafe fn isCredentialSet(&self, r#type: LACredentialType) -> bool;

        #[cfg(all(feature = "block2", feature = "objc2-security"))]
        /// Evaluates access control object for the specified operation.
        ///
        ///
        /// Access control evaluation may involve prompting user for various kinds of interaction
        /// or authentication. Actual behavior is dependent on evaluated access control, device type,
        /// and can be affected by installed configuration profiles.
        ///
        /// Be sure to keep a strong reference to the context while the evaluation is in progress.
        /// Otherwise, an evaluation would be canceled when the context is being deallocated.
        ///
        /// The method does not block. Instead, the caller must provide a reply block to be
        /// called asynchronously when evaluation finishes. The block is executed on a private
        /// queue internal to the framework in an unspecified threading context. Other than that,
        /// no guarantee is made about which queue, thread, or run-loop the block is executed on.
        ///
        /// After successful access control evaluation, the LAContext can be used with keychain operations,
        /// so that they do not require user to authenticate.
        ///
        /// Access control evaluation may fail for various reasons, including user cancel, system cancel
        /// and others, see LAError codes.
        ///
        ///
        /// Parameter `accessControl`: Access control object that is typically created by SecAccessControlCreateWithFlags.
        ///
        ///
        /// Parameter `operation`: Type of operation the access control will be used with.
        ///
        ///
        /// Parameter `localizedReason`: Application reason for authentication. This string must be provided in correct
        /// localization and should be short and clear. It will be eventually displayed in
        /// the authentication dialog as a part of the following string:
        /// "<appname>" is trying to
        /// <localized
        /// reason>.
        ///
        /// For example, if the app name is "TestApp" and localizedReason is passed "access
        /// the hidden records", then the authentication prompt will read:
        /// "TestApp" is trying to access the hidden records.
        ///
        ///
        /// Parameter `reply`: Reply block that is executed when access control evaluation finishes.
        /// success Reply parameter that is YES if the access control has been evaluated successfully or
        /// NO if the evaluation failed.
        /// error Reply parameter that is nil if the access control has been evaluated successfully, or
        /// it contains error information about the evaluation failure.
        ///
        ///
        /// Warning: localizedReason parameter is mandatory and the call will throw NSInvalidArgumentException if
        /// nil or empty string is specified.
        ///
        /// # Safety
        ///
        /// `reply` block must be sendable.
        #[unsafe(method(evaluateAccessControl:operation:localizedReason:reply:))]
        #[unsafe(method_family = none)]
        pub unsafe fn evaluateAccessControl_operation_localizedReason_reply(
            &self,
            access_control: &SecAccessControl,
            operation: LAAccessControlOperation,
            localized_reason: &NSString,
            reply: &block2::DynBlock<dyn Fn(Bool, *mut NSError)>,
        );

        /// Fallback button title.
        ///
        /// Allows fallback button title customization. If set to empty string, the button will be hidden.
        /// A default title "Use Password…" is used when this property is left nil.
        #[unsafe(method(localizedFallbackTitle))]
        #[unsafe(method_family = none)]
        pub unsafe fn localizedFallbackTitle(&self) -> Option<Retained<NSString>>;

        /// Setter for [`localizedFallbackTitle`][Self::localizedFallbackTitle].
        ///
        /// This is [copied][objc2_foundation::NSCopying::copy] when set.
        #[unsafe(method(setLocalizedFallbackTitle:))]
        #[unsafe(method_family = none)]
        pub unsafe fn setLocalizedFallbackTitle(&self, localized_fallback_title: Option<&NSString>);

        /// This property is deprecated and setting it has no effect.
        #[deprecated = "No longer supported"]
        #[unsafe(method(maxBiometryFailures))]
        #[unsafe(method_family = none)]
        pub unsafe fn maxBiometryFailures(&self) -> Option<Retained<NSNumber>>;

        /// Setter for [`maxBiometryFailures`][Self::maxBiometryFailures].
        #[deprecated = "No longer supported"]
        #[unsafe(method(setMaxBiometryFailures:))]
        #[unsafe(method_family = none)]
        pub unsafe fn setMaxBiometryFailures(&self, max_biometry_failures: Option<&NSNumber>);

        /// Cancel button title.
        ///
        /// Allows cancel button title customization. A default title "Cancel" is used when
        /// this property is left nil or is set to empty string.
        #[unsafe(method(localizedCancelTitle))]
        #[unsafe(method_family = none)]
        pub unsafe fn localizedCancelTitle(&self) -> Option<Retained<NSString>>;

        /// Setter for [`localizedCancelTitle`][Self::localizedCancelTitle].
        ///
        /// This is [copied][objc2_foundation::NSCopying::copy] when set.
        #[unsafe(method(setLocalizedCancelTitle:))]
        #[unsafe(method_family = none)]
        pub unsafe fn setLocalizedCancelTitle(&self, localized_cancel_title: Option<&NSString>);

        /// Time interval for accepting a successful Touch ID or Face ID device unlock (on the lock screen) from the past.
        ///
        ///
        /// This property can be set with a time interval in seconds. If the device was successfully unlocked by
        /// biometry within this time interval, then biometric authentication on this context will succeed
        /// automatically and the reply block will be called without prompting user for Touch ID or Face ID.
        ///
        /// The default value is 0, meaning that no previous biometric unlock can be reused.
        ///
        /// This property is meant only for reusing biometric matches from the device lock screen.
        /// It does not allow reusing previous biometric matches in application or between applications.
        ///
        /// The maximum supported interval is 5 minutes and setting the value beyond 5 minutes does not increase
        /// the accepted interval.
        ///
        ///
        /// See: LATouchIDAuthenticationMaximumAllowableReuseDuration
        #[unsafe(method(touchIDAuthenticationAllowableReuseDuration))]
        #[unsafe(method_family = none)]
        pub unsafe fn touchIDAuthenticationAllowableReuseDuration(&self) -> NSTimeInterval;

        /// Setter for [`touchIDAuthenticationAllowableReuseDuration`][Self::touchIDAuthenticationAllowableReuseDuration].
        #[unsafe(method(setTouchIDAuthenticationAllowableReuseDuration:))]
        #[unsafe(method_family = none)]
        pub unsafe fn setTouchIDAuthenticationAllowableReuseDuration(
            &self,
            touch_id_authentication_allowable_reuse_duration: NSTimeInterval,
        );

        /// Allows setting the default localized authentication reason on context.
        ///
        ///
        /// A localized string from this property is displayed in the authentication UI if the caller didn't specify
        /// its own authentication reason (e.g. a keychain operation with kSecUseAuthenticationContext). This property
        /// is ignored if the authentication reason was provided by caller.
        #[unsafe(method(localizedReason))]
        #[unsafe(method_family = none)]
        pub unsafe fn localizedReason(&self) -> Retained<NSString>;

        /// Setter for [`localizedReason`][Self::localizedReason].
        ///
        /// This is [copied][objc2_foundation::NSCopying::copy] when set.
        #[unsafe(method(setLocalizedReason:))]
        #[unsafe(method_family = none)]
        pub unsafe fn setLocalizedReason(&self, localized_reason: &NSString);

        /// Allows running authentication in non-interactive mode.
        ///
        ///
        /// If the context is used in a keychain query by the means of kSecUseAuthenticationContext,
        /// then setting this property to YES has the same effect as passing kSecUseNoAuthenticationUI
        /// in the query, i.e. the keychain call will eventually fail with errSecInteractionNotAllowed
        /// instead of displaying the authentication UI.
        ///
        /// If this property is used with a LocalAuthentication evaluation, it will eventually fail with
        /// LAErrorNotInteractive instead of displaying the authentication UI.
        #[unsafe(method(interactionNotAllowed))]
        #[unsafe(method_family = none)]
        pub unsafe fn interactionNotAllowed(&self) -> bool;

        /// Setter for [`interactionNotAllowed`][Self::interactionNotAllowed].
        #[unsafe(method(setInteractionNotAllowed:))]
        #[unsafe(method_family = none)]
        pub unsafe fn setInteractionNotAllowed(&self, interaction_not_allowed: bool);

        #[cfg(feature = "LABiometryType")]
        /// Indicates the type of the biometry supported by the device.
        #[unsafe(method(biometryType))]
        #[unsafe(method_family = none)]
        pub unsafe fn biometryType(&self) -> LABiometryType;

        /// Contains policy domain state.
        ///
        ///
        /// This property is set only when evaluatePolicy is called and succesful Touch ID or Face ID authentication
        /// was performed, or when canEvaluatePolicy succeeds for a biometric policy.
        /// It stays nil for all other cases.
        /// If biometric database was modified (fingers or faces were removed or added), evaluatedPolicyDomainState
        /// data will change. Nature of such database changes cannot be determined
        /// but comparing data of evaluatedPolicyDomainState after different evaluatePolicy
        /// will reveal the fact database was changed between calls.
        ///
        ///
        /// Warning: Please note that the value returned by this property can change exceptionally between major OS versions even if
        /// the state of biometry has not changed.
        #[deprecated]
        #[unsafe(method(evaluatedPolicyDomainState))]
        #[unsafe(method_family = none)]
        pub unsafe fn evaluatedPolicyDomainState(&self) -> Option<Retained<NSData>>;

        #[cfg(feature = "LADomainState")]
        /// Contains authentication domain state.
        #[unsafe(method(domainState))]
        #[unsafe(method_family = none)]
        pub unsafe fn domainState(&self) -> Retained<LADomainState>;
    );
}

/// Methods declared on superclass `NSObject`.
impl LAContext {
    extern_methods!(
        #[unsafe(method(init))]
        #[unsafe(method_family = init)]
        pub unsafe fn init(this: Allocated<Self>) -> Retained<Self>;

        #[unsafe(method(new))]
        #[unsafe(method_family = new)]
        pub unsafe fn new() -> Retained<Self>;
    );
}