code: def add_config(self, config_id, config_data):
          
  
          if config_id < 0 or config_id >= 2**16:
              raise ArgumentError("Config ID in mib block is not a non-negative 2-byte number",
                                  config_data=config_id, data=config_data)
  
          if config_id in self.configs:
              raise ArgumentError("Attempted to add the same command ID twice.", config_data=config_id,
                                  old_data=self.configs[config_id], new_data=config_data)
  
          self.configs[config_id] = config_data
docs: Add a configuration variable to the MIB block