Cómo utilizar DescribeApplicationSnapshot con un AWS SDK

class KinesisAnalyticsApplicationV2:
    """Encapsulates Kinesis Data Analytics application functions."""

    def __init__(self, analytics_client):
        """
        :param analytics_client: A Boto3 Kinesis Data Analytics v2 client.
        """
        self.analytics_client = analytics_client
        self.name = None
        self.arn = None
        self.version_id = None
        self.create_timestamp = None


    def describe_snapshot(self, application_name, snapshot_name):
        """
        Gets metadata about a previously saved application snapshot.

        :param application_name: The name of the application.
        :param snapshot_name: The name of the snapshot.
        :return: Metadata about the snapshot.
        """
        try:
            response = self.analytics_client.describe_application_snapshot(
                ApplicationName=application_name, SnapshotName=snapshot_name
            )
            snapshot = response["SnapshotDetails"]
            logger.info(
                "Got metadata for snapshot %s of application %s.",
                snapshot_name,
                application_name,
            )
        except ClientError:
            logger.exception(
                "Couldn't get metadata for snapshot %s of application %s.",
                snapshot_name,
                application_name,
            )
            raise
        else:
            return snapshot