export interface AppBridgeBase {
    /**
     * The static configuration values that will not change during runtime.
     */
    config: {
        /**
         * The locale of the shop that's embedding the app.
         */
        locale: string;
    };
    /**
     * The Shopify surface that the app is embedded within.
     */
    surface: 'checkout';
    /**
     * The platform or application that the app is embedded within.
     */
    platform: 'browser' | 'shop-app' | 'pos';
    /**
     * The ID token providing a set of claims as a signed JSON Web Token (JWT)
     * with a TTL of 5 minutes.
     *
     * @see https://shopify.dev/docs/api/checkout-ui-extensions/unstable/apis/session-token
     * @see https://shopify.dev/docs/apps/build/authentication-authorization/session-tokens
     */
    idToken: () => Promise<string>;
}