anchor.diff:          /// </param>
           /// \code
           /// // Example that queries all collections on a shop
  -        /// ShopifyBuy.Client().collections((collections, errors, httpError) => {
  +        /// ShopifyBuy.Client().collections((collections, error) => {
           /// 	Debug.Log(collections[0].title());
           /// 	Debug.Log(collections.Count);
           /// });
  
positive.code:         ///
          /// ShopifyBuy.Client().Query(
          ///     query: query,
          ///     callback: (data, errors, httpErrors) => {
          ///         if (httpErrors != null) {
          ///             Debug.Log("There was an error communicating with the Storefront API");
          ///         } else if (errors != null) {
          ///             Debug.Log("The GraphQL query was invalid");
          ///         } else {
          ///             Debug.Log(data.shop().name());
          ///         }
  
negative.code:         ///
          /// ShopifyBuy.Client().Mutation(
          /// 	query: mutation,
          /// 	callback: (data, error) => {
          ///         if (error != null) {
          ///             Debug.Log("There was an error: " + error.Reason);
          ///         } else {
          ///         	List<UserError> userErrors = data.customerCreate().userErrors();
          ///
  