Update the ProvisionedThroughput for the Amazon DynamoDB Table.

        :type read_units: int
        :param read_units: The new value for ReadCapacityUnits.
        
        :type write_units: int
        :param write_units: The new value for WriteCapacityUnits.

def update_throughput(self, read_units, write_units):
        """
        Update the ProvisionedThroughput for the Amazon DynamoDB Table.

        :type read_units: int
        :param read_units: The new value for ReadCapacityUnits.
        
        :type write_units: int
        :param write_units: The new value for WriteCapacityUnits.
        """
        self.layer2.update_throughput(self, read_units, write_units)