*/
function getWrapperConfigEntry ();
+ /**
+ * Checks whether given key is set
+ *
+ * @param $criteriaType Type of this criteria, can be one of 'default' (default), 'choice' or 'exclude'
+ * @param $criteriaKey Criteria key
+ * @return $isSet Whether key is set
+ */
+ function isKeySet ($criteriaType, $criteriaKey);
+
+ /**
+ * Checks whether given key is set for 'choice' type
+ *
+ * @param $criteriaKey Criteria key
+ * @return $isSet Whether key is set
+ */
+ function isChoiceKeySet ($criteriaKey);
+
+ /**
+ * Checks whether given key is set for 'exclude' type
+ *
+ * @param $criteriaKey Criteria key
+ * @return $isSet Whether key is set
+ */
+ function isExcludeKeySet ($criteriaKey);
+
/**
* Getter for criteria array
*