@type t() ::
  %ExBifrost.Model.GeminiGenerationRequestToolsInnerRetrievalVertexRagStoreRagRetrievalConfig{
    filter:
      ExBifrost.Model.GeminiGenerationRequestToolsInnerRetrievalVertexRagStoreRagRetrievalConfigFilter.t()
      | nil,
    hybridSearch:
      ExBifrost.Model.GeminiGenerationRequestToolsInnerRetrievalVertexRagStoreRagRetrievalConfigHybridSearch.t()
      | nil,
    ranking:
      ExBifrost.Model.GeminiGenerationRequestToolsInnerRetrievalVertexRagStoreRagRetrievalConfigRanking.t()
      | nil,
    topK: integer() | nil
  }