import { BaseResource } from './BaseResource.js';
import type { RequestOptions } from '../types/common.js';
import type { ThreedsCreateSessionParams, ThreedsSession } from '../types/threeds.js';
/**
 * 3D Secure resource (`tagada.threeds.*`).
 *
 * Wraps `POST /api/public/v1/threeds/create-session`. Used in the
 * partner S2S flow to run a 3DS challenge between tokenization and
 * charge — when the issuer requires SCA.
 *
 * @example
 * // After creating a payment instrument from a tagadaToken:
 * const session = await tagada.threeds.createSession({
 *   provider: 'basis_theory',
 *   storeId: 'store_xxx',
 *   paymentInstrumentId: paymentInstrument.id,
 *   sessionData: { ...browserFingerprint, ...transactionDetails },
 * });
 *
 * if (session.status === 'challenge_required') {
 *   // Embed session.challengeUrl in an iframe and resume on callback.
 * } else if (session.status === 'frictionless') {
 *   // No challenge needed; pass session.id into payments.process()
 * }
 */
export declare class Threeds extends BaseResource {
    createSession(params: ThreedsCreateSessionParams, opts?: RequestOptions): Promise<ThreedsSession>;
    retrieveSession(sessionId: string, opts?: RequestOptions): Promise<ThreedsSession>;
}
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