code: def get_config_dict(self):
          
          config_dict = {}
          for dotted_key, value in self.get_config_values().items():
              subkeys = dotted_key.split('.')
              d = config_dict
              for key in subkeys:
                  d = d.setdefault(key, value if key == subkeys[-1] else {})
          return config_dict
docs: Reconstruct the nested structure of this object's configuration
          and return it as a dict.