def METHOD_NAME(self):
    parser = ArgumentParser(add_help=False)
    config_validator = self.config_validator()
    fields = config_validator.fields
    for field_name, field in fields.items():
        if field_name == 'converter':
            # it is base argument. Main argparser already use it to get argparser from specific converter.
            # Converter argparser should contain only converter specific arguments.
            continue
        kwargs = {'required': not field.optional}
        data_type = field.type
        if data_type is not None:
            kwargs['type'] = data_type
        parser.add_argument(format_key(field_name), **kwargs)
    return parser