/**
 * @schema AdminExchangePreviewResponse
 * type: object
 * description: A preview of the order once the exchange is applied.
 * x-schemaName: AdminExchangePreviewResponse
 * required:
 *   - order_preview
 *   - exchange
 * properties:
 *   order_preview:
 *     $ref: "#/components/schemas/AdminOrderPreview"
 *   exchange:
 *     $ref: "#/components/schemas/AdminExchange"
 * 
*/