Branch objects know about all of their leaves. Read More


There are two ways to access a tree.  Either by its long url, or its short url.  So either of the following work.


That is because group is both a usual folder, and it is a branch object, it has an index to all of its leaves. 

Accordingly there can only be 1 copy of any name (object id), under a branch of the tree. Group Root Categories are branches.  Private Root Categories are also branches.  

It should also be noted that object ids are unique within a branch.







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