def get_calibration(self, calibration_timestamp_seconds: int) -> calibration.Calibration:
        """Retrieve metadata about a specific calibration run.

        Args:
            calibration_timestamp_seconds: The timestamp of the calibration in
                seconds since epoch.

        Returns:
            The calibration data.
        """
Retrieve metadata about a specific calibration run.

        Args:
            calibration_timestamp_seconds: The timestamp of the calibration in
                seconds since epoch.

        Returns:
            The calibration data.
        
cirq-google/cirq_google/engine/abstract_processor.py