A destructor is present on this object, but not explicitly documented in the source.
A postblit is present on this object, but not explicitly documented in the source.
Is true if this tree stores values of type Value along with keys. In other words: this is a map rather than a set.
Removes all contents (elements).
Returns a duplicate of this tree if present. Shallowly duplicates the values in the map case.
Insert key into this tree.
Lookup deepest node having whose key starts with key.