@type t() :: %ExBifrost.Model.AnthropicCreateMessage200ResponseUsage{
  cache_creation:
    ExBifrost.Model.AnthropicCreateMessage200ResponseUsageCacheCreation.t()
    | nil,
  cache_creation_input_tokens: integer() | nil,
  cache_read_input_tokens: integer() | nil,
  input_tokens: integer() | nil,
  output_tokens: integer() | nil
}