@abstractmethod
def _convert_document(self, document: DocumentType) -> ConvertedDocumentType:
    """Convert a document of the taskmodule document type to the 
    expected document type of the wrapped taskmodule.

    Args:
        document: the input document

    Returns: the converted document
    """
    pass

@abstractmethod
def _integrate_predictions_from_converted_document(
    self,
    document: DocumentType,
    converted_document: ConvertedDocumentType,
) -> TextDocumentWithLabeledSpansAndBinaryRelations:
    """Convert the predictions at the respective layers of the converted_document and add them
    to the original document predictions.

    Args:
        document: document to attach the converted predictions to
        converted_document: the document returned by the wrapped taskmodule, including predictions
    """
    pass

@property
def document_type(self) -> Optional[Type[Document]]:
    pass