interface Options {
    /**
     * Integer, epoch time (seconds). The future time that this authentication token will expire.
     * If a customer makes a checkout request with an expired authentication token, then FoxyCart
     * will redirect them to the endpoint in order to generate a new token. You can make use of the
     * timestamp value you received to your endpoint in the GET parameters, and add additional time
     * to it for how long you want it to be valid for. For example, adding 3600 to the timestamp will
     * extend it by 3600 seconds, or 60 minutes.
     *
     * Defaults to an hour from now.
     *
     * @see https://docs.foxycart.com/v/2.0/sso#the_details
     */
    timestamp?: number;
    /**
     * The FoxyCart session ID. This is necessary to prevent issues with users with 3rd party cookies
     * disabled and stores that are not using a custom subdomain.
     *
     * @see https://docs.foxycart.com/v/2.0/sso#the_details
     */
    session?: string;
    /**
     * Integer, the customer ID, as determined and stored when the user is first created or synched using the API.
     * If a customer is not authenticated and you would like to allow them through to checkout,
     * enter a customer ID of 0 (the number).
     *
     * @see https://docs.foxycart.com/v/2.0/sso#the_details
     */
    customer: number;
    /**
     * Store's {@link https://docs.foxycart.com/v/2.0/store_secret secret key}.
     * A random 60 character key that helps secure sensitive information provided by some of our functionality.
     *
     * @see https://docs.foxycart.com/v/2.0/sso#the_details
     */
    secret: string;
    /**
     * The unique FoxyCart subdomain URL for your cart, checkout, and receipt
     * that usually looks like this: `https://yourdomain.foxycart.com`.
     *
     * @see https://docs.foxycart.com/v/2.0/sso#the_details
     * @see https://api.foxy.io/rels/store
     */
    domain: string;
}
/**
 * Generates an SSO url for the given configuration.
 *
 * @example
 *
 * const url = FoxySDK.Backend.createSSOURL({
 *   customer: 123,
 *   secret: "...",
 *   domain: "https://yourdomain.foxycart.com"
 * });
 *
 * @param options sso url configuration
 * @tutorial https://docs.foxycart.com/v/2.0/sso#the_details
 * @returns SSO URL as string.
 */
export declare function createSSOURL(options: Options): string;
export {};