CreditUsage

The credit spend of an account by day, project and model.

Field	Type	Description
`scope`	`CreditUsageScope`
`groupBy`	`[String!]`
`summary`	`CreditUsageTotals!`
`timeframe`	`UsageTimeframe!`
`series`	`[CreditUsageBucket!]!`
`projects`	`[CreditUsageProject!]!`
`models`	`[CreditUsageModel!]!`
`serving`	`[CreditUsageServing!]`	Omitted where the serving breakdown is not enabled