def get_pb_ids(self) -> List[str]:
        """Return the list of PB ids associated with the SBI.

        Returns:
            list, Processing block ids

        """
        values = DB.get_hash_value(self._key, 'processing_block_ids')
        return ast.literal_eval(values)
Return the list of PB ids associated with the SBI.

        Returns:
            list, Processing block ids