code: def dictionary(
          element_name,  # type: Text
          children,  # type: List[Processor]
          required=True,  # type: bool
          alias=None,  # type: Optional[Text]
          hooks=None  # type: Optional[Hooks]
  ):
      # type: (...) -> RootProcessor
      
      processor = _Dictionary(element_name, children, required, alias)
      return _processor_wrap_if_hooks(processor, hooks)
docs: Create a processor for dictionary values.
  
      :param element_name: Name of the XML element containing the dictionary value. Can also be
          specified using supported XPath syntax.
      :param children: List of declxml processor objects for processing the children
          contained within the dictionary.
      :param required: Indicates whether the value is required when parsing and serializing.
      :param alias: If specified, then this is used as the name of the value when read from
          XML. If not specified, then the element_name is used as the name of the value.
      :param hooks: A Hooks object.
  
      :return: A declxml processor object.