Protected ReadonlyargsRetrieves a Cart with the provided key in a Store.
If the Cart exists in the Project but does not have a `store` specified, or the `store` field references a different Store, this method returns a [ResourceNotFound](ctp:api:type:ResourceNotFoundError) error.
To ensure the Cart is up-to-date with current values (such as Prices and Discounts), use the [Recalculate](ctp:api:type:CartRecalculateAction) update action.
OptionalmethodArgs: {Checks if a Cart exists with the provided key in a Store. Returns a 200 status if the Cart exists, or a 404 status otherwise.
OptionalmethodArgs: { headers?: { [key: string]: string | string[] } }Updates a Cart in a Store using one or more update actions.
If the Cart exists in the Project but does not have a `store` specified, or the `store` field references a different Store, this method returns a [ResourceNotFound](ctp:api:type:ResourceNotFoundError) error.
Deletes a Cart in a Store.