langchain/document_loaders/apify_dataset.py/ApifyDatasetLoader/__init__
class ApifyDatasetLoader:    def __init__(
        self, dataset_id: str, dataset_mapping_function: Callable[[Dict], Document]
    ):
        """Initialize the loader with an Apify dataset ID and a mapping function.

        Args:
            dataset_id (str): The ID of the dataset on the Apify platform.
            dataset_mapping_function (Callable): A function that takes a single
                dictionary (an Apify dataset item) and converts it to an instance
                of the Document class.
        """
        super().__init__(
            dataset_id=dataset_id, dataset_mapping_function=dataset_mapping_function
        )