@spartacus/cart/import-export/core/model/augmented-core.model.d.ts

`@spartacus/cart` is a package that you can include in your application, which allows you to use various cart features.

import '@spartacus/storefront';
declare module '@spartacus/storefront' {
    const enum LAUNCH_CALLER {
        IMPORT_TO_CART = "IMPORT_TO_CART"
    }
}