@type t() ::
  %ExBifrost.Model.GeminiGenerationRequestToolsInnerRetrievalVertexAiSearch{
    dataStoreSpecs:
      [
        ExBifrost.Model.GeminiGenerationRequestToolsInnerRetrievalVertexAiSearchDataStoreSpecsInner.t()
      ]
      | nil,
    datastore: String.t() | nil,
    engine: String.t() | nil,
    filter: String.t() | nil,
    maxResults: integer() | nil
  }