@type t() :: %LettaAPI.Model.CompletionRequest{
  audio: LettaAPI.Model.ChatCompletionAudioParam.t() | nil,
  frequency_penalty: any() | nil,
  function_call: LettaAPI.Model.FunctionCall.t() | nil,
  functions:
    [LettaAPI.Model.OpenaiTypesChatCompletionCreateParamsFunction.t()] | nil,
  logit_bias: %{optional(String.t()) => any()} | nil,
  logprobs: any() | nil,
  max_completion_tokens: any() | nil,
  max_tokens: any() | nil,
  messages: [LettaAPI.Model.CompletionCreateParamsNonStreamingMessagesInner.t()],
  metadata: %{optional(String.t()) => any()} | nil,
  modalities: [any()] | nil,
  model: LettaAPI.Model.Model.t(),
  n: any() | nil,
  parallel_tool_calls: any() | nil,
  prediction: LettaAPI.Model.ChatCompletionPredictionContentParam.t() | nil,
  presence_penalty: any() | nil,
  reasoning_effort: any() | nil,
  response_format: LettaAPI.Model.ResponseFormat.t() | nil,
  seed: any() | nil,
  service_tier: any() | nil,
  stop: LettaAPI.Model.Stop.t() | nil,
  store: any() | nil,
  stream: any(),
  stream_options: LettaAPI.Model.ChatCompletionStreamOptionsParam.t() | nil,
  temperature: any() | nil,
  tool_choice: LettaAPI.Model.ToolChoice.t() | nil,
  tools: [LettaAPI.Model.ChatCompletionToolParam.t()] | nil,
  top_logprobs: any() | nil,
  top_p: any() | nil,
  user: any() | nil,
  web_search_options: LettaAPI.Model.WebSearchOptions.t() | nil
}