docs: def process_raw(self, raw: dict) -> None:
          """Pre-process raw dict.
  
          Prepare parameters to work with APIItems.
          """
          raw_ports = {}
  
          for param in raw:
              port_index = REGEX_PORT_INDEX.search(param).group(0)
  
              if port_index not in raw_ports:
                  raw_ports[port_index] = {}
  
              name = param.replace(IOPORT + '.I' + port_index + '.', '')
              raw_ports[port_index][name] = raw[param]
  
          super().process_raw(raw_ports)