var collections_list: Array[String] is lazy do return ["List", "ArrayList", "LinkedList", "Vector", "Set", "SortedSet", "HashSet", "TreeSet", "LinkedHashSet", "Map", "SortedMap", "HashMap", "TreeMap", "Hashtable", "LinkedHashMap"]
var iterable: Array[String] is lazy do return ["ArrayList", "Set", "HashSet", "LinkedHashSet", "LinkedList", "Stack", "TreeSet", "Vector"]
var collections_list: Array[String] is lazy do return ["List", "ArrayList", "LinkedList", "Vector", "Set", "SortedSet", "HashSet", "TreeSet", "LinkedHashSet", "Map", "SortedMap", "HashMap", "TreeMap", "Hashtable", "LinkedHashMap"]
var iterable: Array[String] is lazy do return ["ArrayList", "Set", "HashSet", "LinkedHashSet", "LinkedList", "Stack", "TreeSet", "Vector"]