Base.extend()ed structure

gistfile1.txt

   
   +- Comment                       class, text, line
   |    +- Heading                  class, text, line
   |    +- DocComment               class, text, line, tags
   |        +- Element              class, text, line, tags, object
   |            +- Variable         class, text, line, tags, object, name, type, 
   |            |    +- Accessor    class, text, line, tags, object, name, type, accessor
   |            +- Function         class, text, line, tags, object, name, params, returns, signature
   |            +- Class            class, text, line, tags, object, name, properties, functions, constructor
   |
   +- Tag                           class, text
       +- Value                     class, text, type
           +- Param                 class, text, type, name