def METHOD_NAME(self, deprecated_keywords_list: List[DeprecationInfo]) -> None:
    for info in deprecated_keywords_list:
        # Add it to the schema only so that it is
        # catched by the parser
        if info.keyword not in self:
            self[info.keyword] = SchemaItem.deprecated_dummy_keyword(info)
        else:
            self[info.keyword].deprecation_info = info