/**
 * Response DTO for listing MFA providers
 *
 * Used to return all registered MFA provider method names.
 *
 * @example
 * ```typescript
 * const providers = await mfaService.listProviders();
 * // Returns: { providers: ['totp', 'sms', 'passkey'] }
 * ```
 */
/**
 * Response DTO for listing providers
 */
export declare class ListProvidersResponseDTO {
    /**
     * Array of registered provider method names
     *
     * @example ['totp', 'sms', 'passkey']
     */
    providers: string[];
}
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