code: public OvhItem cart_cartId_item_itemId_GET(String cartId, Long itemId) throws IOException {
  		String qPath = "/order/cart/{cartId}/item/{itemId}";
  		StringBuilder sb = path(qPath, cartId, itemId);
  		String resp = execN(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhItem.class);
  	}
docs: Retrieve information about a specific item of a cart
  
  REST: GET /order/cart/{cartId}/item/{itemId}
  @param cartId [required] Cart identifier
  @param itemId [required] Product item identifier