@type t() :: %ExBifrost.Model.BifrostResponseExtraFields{
  cache_debug: ExBifrost.Model.BifrostCacheDebug.t() | nil,
  chunk_index: integer() | nil,
  latency: integer() | nil,
  model_deployment: String.t() | nil,
  model_requested: String.t() | nil,
  provider: ExBifrost.Model.ModelProvider.t() | nil,
  raw_request: map() | nil,
  raw_response: map() | nil,
  request_type: String.t() | nil
}