langchain/document_loaders/wikipedia.py/WikipediaLoader/__init__
class WikipediaLoader:    def __init__(
        self,
        query: str,
        lang: str = "en",
        load_max_docs: Optional[int] = 100,
        load_all_available_meta: Optional[bool] = False,
    ):
        self.query = query
        self.lang = lang
        self.load_max_docs = load_max_docs
        self.load_all_available_meta = load_all_available_meta