new code_model_flows_processors_aws_billing_CostAndUsage( period, // code.model.flows.processors.aws.billing.AwsTimePeriod granularity, // java.lang.String metrics, // scala.collection.immutable.List[java.lang.String] groupBy, // scala.Option[scala.collection.immutable.List[code.model.flows.processors.aws.billing.AwsGroupDefinition]] expression, // scala.Option[code.model.flows.processors.aws.billing.AwsExpression] )