@type t() :: %ExBifrost.Model.CohereEmbeddingResponseMeta{
  api_version: ExBifrost.Model.CohereEmbeddingResponseMetaApiVersion.t() | nil,
  billed_units:
    ExBifrost.Model.CohereChatV2200ResponseDeltaUsageBilledUnits.t() | nil,
  tokens: ExBifrost.Model.AnthropicCreateComplete200ResponseUsage.t() | nil,
  warnings: [String.t()] | nil
}