@type t() :: %ExBifrost.Model.ImageGenerationRequest{
  background: String.t() | nil,
  fallbacks: [ExBifrost.Model.Fallback.t()] | nil,
  model: String.t(),
  moderation: String.t() | nil,
  n: integer() | nil,
  negative_prompt: String.t() | nil,
  num_inference_steps: integer() | nil,
  output_compression: integer() | nil,
  output_format: String.t() | nil,
  partial_images: integer() | nil,
  prompt: String.t(),
  quality: String.t() | nil,
  response_format: String.t() | nil,
  seed: integer() | nil,
  size: String.t() | nil,
  stream: boolean() | nil,
  style: String.t() | nil,
  user: String.t() | nil
}