tree structure.
    Internal nodes are called &#39;folders&#39; and leaf nodes are called
    &#39;documents&#39;. For a folder, the server stores references to nodes
    contained in the folder, and it should be able to produce a list of
    them, with for each contained item:

       * item name
       * item type (folder or document)
       * current version
       * content type
       * content length

    For a document, the server stores, and should be able to produce:


<span>de Jong                