/**
 * DTO for setting up MFA device
 *
 * Used to initiate MFA device setup using the appropriate provider.
 * User sub is obtained from authenticated context automatically.
 *
 * @example
 * ```typescript
 * const setup = await mfaService.setup({
 *   methodName: 'totp',
 *   setupData: {}
 * });
 * ```
 */
/**
 * DTO for setting up MFA device
 *
 * User self-service DTO - no sub field. Service gets user from authenticated context.
 */
export declare class SetupMFADTO {
    /**
     * MFA method name
     *
     * Validation:
     * - Must be one of: totp, sms, email, passkey
     * - Max 50 characters
     *
     * Sanitization:
     * - Trimmed and lowercased
     *
     * @example "totp"
     */
    methodName: string;
    /**
     * Optional provider-specific setup data
     *
     * Validation:
     * - Must be an object if provided
     * - Structure validated by MFA provider services
     *
     * @example { phoneNumber: '+1234567890' } for SMS
     */
    setupData?: Record<string, unknown>;
}
/**
 * Response DTO for MFA setup
 */
export declare class SetupMFAResponseDTO {
    /**
     * Provider-specific setup response
     *
     * Structure varies by method:
     * - TOTP: { secret, qrCode, manualEntryKey }
     * - SMS: { maskedPhone }
     * - Passkey: WebAuthn registration options
     */
    setupData: Record<string, unknown>;
}
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