interface API_Wrapper {
/**
- * @param $apiRequest
+ * Interface for interpreting api input.
*
- * @return modified $apiRequest
+ * @param array $apiRequest
+ *
+ * @return array
+ * modified $apiRequest
*/
- function fromApiInput($apiRequest);
+ public function fromApiInput($apiRequest);
/**
- * @param $apiRequest
- * @param $result
+ * Interface for interpreting api output.
+ *
+ * @param array $apiRequest
+ * @param array $result
*
- * @return modified $result
+ * @return array
+ * modified $result
*/
- function toApiOutput($apiRequest, $result);
+ public function toApiOutput($apiRequest, $result);
+
}