@type t() :: %ExBifrost.Model.AnthropicCreateMessage200ResponseDelta{
  partial_json: String.t() | nil,
  signature: String.t() | nil,
  stop_reason: String.t() | nil,
  stop_sequence: String.t() | nil,
  text: String.t() | nil,
  thinking: String.t() | nil,
  type: String.t() | nil
}