@type t() :: %ExBifrost.Model.AnthropicMessageResponse{
  content: [ExBifrost.Model.AnthropicContentBlock.t()] | nil,
  id: String.t() | nil,
  model: String.t() | nil,
  role: String.t() | nil,
  stop_reason: String.t() | nil,
  stop_sequence: String.t() | nil,
  type: String.t() | nil,
  usage: ExBifrost.Model.AnthropicCreateMessage200ResponseUsage.t() | nil
}