/**
 * Attributes for backup code verification request.
 */
export declare class BackupCodeVerifyAttributesDTO {
    /**
     * The 8-character backup code (hex format).
     */
    code: string;
}
/**
 * Data wrapper for backup code verification request.
 */
export declare class BackupCodeVerifyDataDTO {
    type: string;
    attributes: BackupCodeVerifyAttributesDTO;
}
/**
 * DTO for backup code verification during 2FA login flow.
 *
 * Used when a user provides a backup code to complete two-factor authentication.
 * Backup codes are single-use and marked as used after successful verification.
 *
 * Endpoint: POST /auth/two-factor/verify/backup
 */
export declare class BackupCodeVerifyDTO {
    data: BackupCodeVerifyDataDTO;
}
/**
 * Attributes for getting 2FA challenge.
 */
export declare class TwoFactorChallengeAttributesDTO {
    /**
     * The preferred 2FA method to use.
     */
    method: "totp" | "passkey" | "backup";
}
/**
 * Data wrapper for 2FA challenge request.
 */
export declare class TwoFactorChallengeDataDTO {
    type: string;
    attributes: TwoFactorChallengeAttributesDTO;
}
/**
 * DTO for requesting a 2FA challenge.
 *
 * Used to initiate the 2FA verification process for a specific method.
 * For passkeys, this returns WebAuthn authentication options.
 * For TOTP and backup codes, no challenge is needed (user provides code directly).
 *
 * Endpoint: POST /auth/two-factor/challenge
 */
export declare class TwoFactorChallengeDTO {
    data: TwoFactorChallengeDataDTO;
}
/**
 * Attributes for enabling 2FA.
 */
export declare class TwoFactorEnableAttributesDTO {
    /**
     * The preferred method for 2FA.
     */
    preferredMethod: "totp" | "passkey";
}
/**
 * Data wrapper for enabling 2FA.
 */
export declare class TwoFactorEnableDataDTO {
    type: string;
    attributes: TwoFactorEnableAttributesDTO;
}
/**
 * DTO for enabling 2FA.
 *
 * Used to enable two-factor authentication for the user.
 * Requires at least one 2FA method (TOTP or passkey) to be set up first.
 *
 * Endpoint: POST /auth/two-factor/enable
 */
export declare class TwoFactorEnableDTO {
    data: TwoFactorEnableDataDTO;
}
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