code: def jsonAsCti(dct):
      
      if '_class_'in dct:
          full_class_name = dct['_class_'] # TODO: how to handle the full_class_name?
          cls = import_symbol(full_class_name)
          return cls.createFromJsonDict(dct)
      else:
          return dct
docs: Config tree item JSON decoding function. Returns a CTI given a dictionary of attributes.
          The full class name of desired CTI class should be in dct['_class_''].