@type t() :: %ExBifrost.Model.RerankRequest{
  documents: [ExBifrost.Model.RerankDocument.t()],
  fallbacks: [String.t()] | nil,
  max_tokens_per_doc: integer() | nil,
  model: String.t(),
  priority: integer() | nil,
  query: String.t(),
  return_documents: boolean() | nil,
  top_n: integer() | nil
}