Available on java
add(param1:E):Bool
addAll(param1:Collection<E>):Bool
clear():Void
comparator():Comparator<Dynamic>
contains(param1:Dynamic):Bool
containsAll(param1:Collection<Dynamic>):Bool
first():E
forEach(param1:Consumer<Dynamic>):Void
headSet(param1:E):SortedSet<E>
isEmpty():Bool
iterator():Iterator<E>
last():E
parallelStream():Stream<E>
remove(param1:Dynamic):Bool
removeAll(param1:Collection<Dynamic>):Bool
removeIf(param1:Predicate<Dynamic>):Bool
retainAll(param1:Collection<Dynamic>):Bool
size():Int
spliterator():Spliterator<E>
stream():Stream<E>
subSet(param1:E, param2:E):SortedSet<E>
tailSet(param1:E):SortedSet<E>
toArray():NativeArray<Dynamic>
toArray<T>(param1:NativeArray<T>):NativeArray<T>