import type { PaymentSessionOptions, PaymentSessionResponse, ConfirmPaymentResponse } from './types.js';
/**
 * Configuration options for instantiating the Orchestrator. A public key
 * obtained from the orchestrator backend is required; you may also
 * optionally specify the base URL of the API if different from the
 * script host.
 */
export interface OrchestratorOptions {
    /** Public key issued to merchants for authenticating browser requests. */
    publicKey: string;
    /** Base URL for the orchestrator API. Defaults to the origin hosting this script. */
    apiBaseUrl?: string;
}
/**
 * Main entry point for merchants integrating with the payment orchestrator.
 * The Orchestrator manages creation of payment sessions, mounting of
 * provider specific card forms and confirmation of payments. It hides
 * the complexity of dealing with individual PSP SDKs behind a single
 * unified interface.
 */
export declare class Orchestrator {
    private readonly publicKey;
    private readonly apiBaseUrl;
    private providerAdapter;
    private session;
    constructor(options: OrchestratorOptions);
    /**
     * Internal helper to perform a POST request to the orchestrator API.
     * Automatically injects the public key header required for authentication.
     */
    private post;
    /**
     * Create a new payment session. The orchestrator will choose a provider
     * based on your routing rules and return configuration for that provider.
     * The returned session information is stored internally for subsequent
     * steps. Calling this method multiple times will replace any existing
     * session and reset mounted card forms.
     */
    createPaymentSession(options: PaymentSessionOptions): Promise<PaymentSessionResponse>;
    /**
     * Mount the card form associated with the chosen provider into the DOM. Must
     * be called after createPaymentSession() and will throw if no session
     * exists. Repeated calls will re‑mount the form, discarding previous
     * input.
     */
    mountCardForm(selector: string): Promise<void>;
    /**
     * Tokenise the card details and confirm the payment with the orchestrator.
     * This method tokenises via the provider SDK and sends the resulting
     * token back to your backend along with the current session ID. The
     * response contains provider agnostic information about the final
     * transaction state.
     */
    confirmPayment(): Promise<ConfirmPaymentResponse>;
}
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