import { CreemCore } from "../core.js";
import { RequestOptions } from "../lib/sdks.js";
import * as components from "../models/components/index.js";
import { CreemError } from "../models/errors/creemerror.js";
import { ConnectionError, InvalidRequestError, RequestAbortedError, RequestTimeoutError, UnexpectedClientError } from "../models/errors/httpclienterrors.js";
import { ResponseValidationError } from "../models/errors/responsevalidationerror.js";
import { SDKValidationError } from "../models/errors/sdkvalidationerror.js";
import { APIPromise } from "../types/async.js";
import { Result } from "../types/fp.js";
/**
 * Upgrade a subscription to a different product
 *
 * @remarks
 * Upgrade a subscription to a different product or plan. Handle proration and plan changes seamlessly.
 */
export declare function subscriptionsUpgrade(client: CreemCore, id: string, upgradeSubscriptionRequestEntity: components.UpgradeSubscriptionRequestEntity, options?: RequestOptions): APIPromise<Result<components.SubscriptionEntity, CreemError | ResponseValidationError | ConnectionError | RequestAbortedError | RequestTimeoutError | InvalidRequestError | UnexpectedClientError | SDKValidationError>>;
//# sourceMappingURL=subscriptionsUpgrade.d.ts.map