async def get_calibration_async(
        self, project_id: str, processor_id: str, calibration_timestamp_seconds: int
    ) -> quantum.QuantumCalibration:
        """Returns a quantum calibration.

        Args:
            project_id: A project_id of the parent Google Cloud Project.
            processor_id: The processor unique identifier.
            calibration_timestamp_seconds: The timestamp of the calibration in
                seconds.

        Returns:
            The quantum calibration.
        """
        request = quantum.GetQuantumCalibrationRequest(
            name=_calibration_name_from_ids(project_id, processor_id, calibration_timestamp_seconds)
        )
        return await self._send_request_async(self.grpc_client.get_quantum_calibration, request)
Returns a quantum calibration.

        Args:
            project_id: A project_id of the parent Google Cloud Project.
            processor_id: The processor unique identifier.
            calibration_timestamp_seconds: The timestamp of the calibration in
                seconds.

        Returns:
            The quantum calibration.
        
cirq-google/cirq_google/engine/engine_client.py