/**
 * DTO for removing a single MFA device by ID
 *
 * Used to remove one enrolled MFA device for the current authenticated user.
 * This is important when users can register multiple devices per method
 * (e.g., multiple TOTP authenticators and multiple passkeys).
 *
 * @example
 * ```typescript
 * const result = await mfaService.removeDevice({ deviceId: 123 });
 * // { removedDeviceId: 123, removedMethod: 'passkey', mfaDisabled: false }
 * ```
 */
import { MFADeviceMethod } from '../enums/mfa-method.enum';
/**
 * DTO for removing a single MFA device
 */
export declare class RemoveDeviceDTO {
    /**
     * MFA device ID to remove
     *
     * Validation:
     * - Must be a positive integer
     *
     * Sanitization:
     * - Strings are converted to numbers (useful for path params)
     *
     * @example 123
     */
    deviceId: number;
}
/**
 * Response DTO for removing a single MFA device
 */
export declare class RemoveDeviceResponseDTO {
    /**
     * ID of the removed device
     */
    removedDeviceId: number;
    /**
     * MFA method type of the removed device
     */
    removedMethod: MFADeviceMethod;
    /**
     * Whether MFA was disabled (when this was the last remaining device)
     */
    mfaDisabled: boolean;
}
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