@type t() :: %ExBifrost.Model.OpenaiCreateImage200Response1{
  b64_json: String.t() | nil,
  background: String.t() | nil,
  created_at: integer() | nil,
  output_format: String.t() | nil,
  partial_image_index: integer() | nil,
  quality: String.t() | nil,
  sequence_number: integer() | nil,
  size: String.t() | nil,
  type: String.t() | nil,
  usage: ExBifrost.Model.ImageGeneration200ResponseUsage.t() | nil
}