Optional
entries: Iterable<any, any, any> = []The initial entries.
Enumerate the values.
Clear all values from the set.
Delete a value from the set.
The value to delete.
Whether this set contains the given value.
The value to test.
Enumerate the collection.
Stores a set of objects with weak references to them, allowing them to be garbage collected. Can be iterated over, unlike a WeakSet.