docs: def get_const(protocol_version):
      """Return the const module for the protocol_version."""
      path = next((
          CONST_VERSIONS[const_version]
          for const_version in sorted(CONST_VERSIONS, reverse=True)
          if parse_ver(protocol_version) >= parse_ver(const_version)
      ), 'mysensors.const_14')
      if path in LOADED_CONST:
          return LOADED_CONST[path]
      const = import_module(path)
      LOADED_CONST[path] = const  # Cache the module
      return const