@type t() :: %ExDaytona.Model.ModelsAggregatedUsage{
  firstStart: String.t() | nil,
  lastEnd: String.t() | nil,
  sandboxCount: integer() | nil,
  totalCPUSeconds: integer() | nil,
  totalDiskGBSeconds: integer() | nil,
  totalGPUSeconds: integer() | nil,
  totalPrice: number() | nil,
  totalRAMGBSeconds: integer() | nil
}