def METHOD_NAME(self, load_operation: colrev.ops.METHOD_NAME.Load) -> dict:
    """Load the records from the SearchSource file"""
    if self.search_source.filename.suffix == ".bib":
        records = colrev.ops.load_utils_bib.load_bib_file(
            load_operation=load_operation, source=self.search_source
        )
        return records
    raise NotImplementedError