/**
 * MFA (Multi-Factor Authentication) namespace.
 */
import type { HttpClient } from '../HttpClient.js';
import { BaseResource } from '../base/BaseResource.js';
/**
 * Multi-factor authentication via SMS or phone call.
 *
 * Access via `client.mfa.*`. Two-step flow: call `.sms()` or `.call()` to send
 * a code, then `.verify()` to confirm it.
 *
 * @example
 * ```ts
 * const req = await client.mfa.sms({ to: '+15551234567' });
 * const result = await client.mfa.verify(req.id, { token: '123456' });
 * ```
 */
export declare class MfaResource extends BaseResource {
    constructor(http: HttpClient);
    /**
     * Initiate MFA by sending a one-time code to a phone number over SMS.
     *
     * @param body - MFA request payload (typically `{ to: "+15551234567",
     *   message?: "Your code is {code}" }`).
     * @returns The MFA request record; its `id` is used by {@link verify}.
     * @throws {RestError} On any non-2xx HTTP response.
     */
    sms(body: any): Promise<any>;
    /**
     * Initiate MFA by placing a phone call that reads out a one-time code.
     *
     * @param body - MFA request payload (typically `{ to: "+15551234567" }`).
     * @returns The MFA request record; its `id` is used by {@link verify}.
     * @throws {RestError} On any non-2xx HTTP response.
     */
    call(body: any): Promise<any>;
    /**
     * Verify the one-time code the user received via SMS or call.
     *
     * @param requestId - The `id` returned from {@link sms} or {@link call}.
     * @param body - Verification payload (typically `{ token: "123456" }`).
     * @returns The verification result — success or failure shape.
     * @throws {RestError} On any non-2xx HTTP response.
     */
    verify(requestId: string, body: any): Promise<any>;
}