langchain/document_loaders/parsers/pdf.py/PDFPlumberParser/__init__
class PDFPlumberParser:    def __init__(self, text_kwargs: Optional[Mapping[str, Any]] = None) -> None:
        """Initialize the parser.

        Args:
            text_kwargs: Keyword arguments to pass to ``pdfplumber.Page.extract_text()``
        """
        self.text_kwargs = text_kwargs or {}