message: [Cross Sells] Support JWT/string input on calculateChangeset JS
diff: @@ -30,7 +30,7 @@ export interface PostPurchaseRenderApi
  shop: Shop;
  /** Returns the calculations that would result from the provided changeset being applied. Used to provide cost-clarity for buyers. */
  calculateChangeset(
  - changeset: Readonly<Changeset>,
  + changeset: Readonly<Changeset> | string,
  ): Promise<CalculateChangesetResult>;
  /** Requests a changeset to be applied to the initial purchase, and to charge the buyer with the difference in total price, if any. */
  applyChangeset(
  