def __init__(self, llm_client: Optional[Any] = None, llm_model: Optional[str] = None):
        """Initialize the factory with optional LLM client and model.

        Args:
            llm_client: Optional LLM client for converters that need it
            llm_model: Optional LLM model name for converters that need it
        """
        self._llm_client = llm_client
        self._llm_model = llm_model
        self._converters: Dict[str, DocumentConverter] = {}
        self._initialize_converters()
Initialize the factory with optional LLM client and model.

        Args:
            llm_client: Optional LLM client for converters that need it
            llm_model: Optional LLM model name for converters that need it
        
backend/airweave/platform/file_handling/conversion/factory.py