/**
 * Enum representing when a keychain item is accessible.
 */
export declare enum ACCESSIBLE {
    /** The data in the keychain item can be accessed only while the device is unlocked by the user. */
    WHEN_UNLOCKED = "AccessibleWhenUnlocked",
    /** The data in the keychain item cannot be accessed after a restart until the device has been unlocked once by the user. */
    AFTER_FIRST_UNLOCK = "AccessibleAfterFirstUnlock",
    /** The data in the keychain item can always be accessed regardless of whether the device is locked. */
    ALWAYS = "AccessibleAlways",
    /** The data in the keychain can only be accessed when the device is unlocked. Only available if a passcode is set on the device. Items with this attribute never migrate to a new device. */
    WHEN_PASSCODE_SET_THIS_DEVICE_ONLY = "AccessibleWhenPasscodeSetThisDeviceOnly",
    /** The data in the keychain item can be accessed only while the device is unlocked by the user. Items with this attribute do not migrate to a new device. */
    WHEN_UNLOCKED_THIS_DEVICE_ONLY = "AccessibleWhenUnlockedThisDeviceOnly",
    /** The data in the keychain item cannot be accessed after a restart until the device has been unlocked once by the user. Items with this attribute never migrate to a new device. */
    AFTER_FIRST_UNLOCK_THIS_DEVICE_ONLY = "AccessibleAfterFirstUnlockThisDeviceOnly"
}
/**
 * Enum representing access control options.
 */
export declare enum ACCESS_CONTROL {
    /** Constraint to access an item with either Touch ID or passcode. */
    USER_PRESENCE = "UserPresence",
    /** Constraint to access an item with Touch ID for any enrolled fingers. */
    BIOMETRY_ANY = "BiometryAny",
    /** Constraint to access an item with Touch ID for currently enrolled fingers. */
    BIOMETRY_CURRENT_SET = "BiometryCurrentSet",
    /** Constraint to access an item with the device passcode. */
    DEVICE_PASSCODE = "DevicePasscode",
    /** Constraint to use an application-provided password for data encryption key generation. */
    APPLICATION_PASSWORD = "ApplicationPassword",
    /** Constraint to access an item with Touch ID for any enrolled fingers or passcode. */
    BIOMETRY_ANY_OR_DEVICE_PASSCODE = "BiometryAnyOrDevicePasscode",
    /** Constraint to access an item with Touch ID for currently enrolled fingers or passcode. */
    BIOMETRY_CURRENT_SET_OR_DEVICE_PASSCODE = "BiometryCurrentSetOrDevicePasscode"
}
/**
 * Enum representing authentication types.
 */
export declare enum AUTHENTICATION_TYPE {
    /** Device owner is going to be authenticated by biometry or device passcode. */
    DEVICE_PASSCODE_OR_BIOMETRICS = "AuthenticationWithBiometricsDevicePasscode",
    /** Device owner is going to be authenticated using a biometric method (Touch ID or Face ID). */
    BIOMETRICS = "AuthenticationWithBiometrics"
}
/**
 * Enum representing types of biometric authentication supported by the device.
 */
export declare enum BIOMETRY_TYPE {
    /** Device supports authentication with Touch ID.
     * @platform iOS
     */
    TOUCH_ID = "TouchID",
    /** Device supports authentication with Face ID.
     * @platform iOS
     */
    FACE_ID = "FaceID",
    /** Device supports authentication with Optic ID.
     *  @platform visionOS
     */
    OPTIC_ID = "OpticID"
}
//# sourceMappingURL=DataSharingEnums.ios.d.ts.map