code: def serialize_to_file(
          root_processor,  # type: RootProcessor
          value,  # type: Any
          xml_file_path,  # type: Text
          encoding='utf-8',  # type: Text
          indent=None  # type: Optional[Text]
  ):
      # type: (...) -> None
      
      serialized_value = serialize_to_string(root_processor, value, indent)
  
      with open(xml_file_path, 'w', encoding=encoding) as xml_file:
          xml_file.write(serialized_value)
docs: Serialize the value to an XML file using the root processor.
  
      :param root_processor: Root processor of the XML document.
      :param value: Value to serialize.
      :param xml_file_path: Path to the XML file to which the serialized value will be written.
      :param encoding: Encoding of the file.
      :param indent: If specified, then the XML will be formatted with the specified indentation.