/**
 * Types for the "update subscription" operation.
 *
 * Contains the update request body, internal client payload, public
 * SDK input, and the update-specific response type.
 *
 * @module clients/preApproval/update/types
 */
import type { Options } from '../../../types';
import type { MercadoPagoConfig } from '../../../mercadoPagoConfig';
import type { SummarizedResponse, AutoRecurringWithFreeTrial } from '../../../clients/preApproval/commonTypes';
/**
 * Internal payload passed to the update REST call.
 */
export declare type PreApprovalUpdateClient = {
    /** Unique subscription identifier to update. */
    id: string;
    /** Fields to modify on the subscription. */
    body: updatePreApprovalRequest;
    /** SDK configuration (access token, options). */
    config: MercadoPagoConfig;
};
/**
 * Request body for updating an existing subscription.
 *
 * Only the fields that need to change should be provided.
 */
export declare type updatePreApprovalRequest = {
    /** Updated recurring billing schedule. */
    auto_recurring?: AutoRecurringRequest;
    /** Updated return URL after the buyer re-authorizes. */
    back_url?: string;
    /** New tokenised card identifier for recurring charges. */
    card_token_id?: string;
    /** Updated integrator-defined external reference. */
    external_reference?: string;
    /** Updated buyer email address. */
    payer_email?: string;
    /** Updated human-readable reason shown to the buyer. */
    reason?: string;
    /** Target subscription status (e.g. `authorized`, `paused`, `cancelled`). */
    status?: string;
};
/**
 * Simplified recurring billing fields allowed during an update.
 *
 * Only the amount and currency can be changed after creation;
 * frequency and schedule are immutable.
 */
export declare type AutoRecurringRequest = {
    /** New charge amount per billing cycle. */
    transaction_amount: number;
    /** ISO 4217 currency code (e.g. `ARS`, `BRL`). */
    currency_id: string;
};
/**
 * Public-facing input for {@link PreApproval.update}.
 */
export declare type PreApprovalUpdateData = {
    /** Unique subscription identifier to update. */
    id: string;
    /** Fields to modify on the subscription. */
    body: updatePreApprovalRequest;
    /** Per-request option overrides (timeout, idempotency key, etc.). */
    requestOptions?: Options;
};
/**
 * API response returned after updating a subscription.
 *
 * Contains the full updated subscription state.
 */
export declare type PreApprovalUpdateResponse = {
    /** Unique subscription identifier. */
    id?: string;
    /** Optimistic-concurrency version number. */
    version?: number;
    /** OAuth application identifier that created this subscription. */
    application_id?: number;
    /** Seller (collector) MercadoPago account identifier. */
    collector_id?: number;
    /** Associated subscription plan template identifier. */
    preapproval_plan_id?: string;
    /** Human-readable subscription reason. */
    reason?: string;
    /** Integrator-defined external reference. */
    external_reference?: number;
    /** Return URL after buyer authorization. */
    back_url?: string;
    /** URL to redirect the buyer to authorize the subscription. */
    init_point?: string;
    /** Recurring billing schedule with optional free-trial period. */
    auto_recurring?: AutoRecurringWithFreeTrial;
    /** Offset in days before the first invoice. */
    first_invoice_offset?: number;
    /** Buyer MercadoPago account identifier. */
    payer_id?: number;
    /** Buyer first name. */
    payer_first_name?: string;
    /** Buyer last name. */
    payer_last_name?: string;
    /** Saved card identifier used for charges. */
    card_id?: number;
    /** Payment method identifier used for charges. */
    payment_method_id?: number;
    /** Timestamp of the next scheduled charge. */
    next_payment_date?: number;
    /** Timestamp when the subscription was created. */
    date_created?: number;
    /** Timestamp of the last modification. */
    last_modified?: number;
    /** Aggregated charge history. */
    summarized?: SummarizedResponse;
    /** Current subscription status. */
    status?: string;
};