Billing
constructor(applicationName: String? = null, applicationVersion: String? = null, billedCharges: Double? = null, endTimeStamp: String? = null, executionRequestId: String? = null, meterId: String? = null, osBuild: String? = null, release: String? = null, sku: String? = null, startTimeStamp: String? = null, testType: String? = null, updateType: String? = null, usedBillableHours: Double? = null, usedFreeHours: Double? = null)