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93da18b6 - community[minor]: Add mmr and similarity_score_threshold retrieval to DatabricksVectorSearch (#16829)

community[minor]: Add mmr and similarity_score_threshold retrieval to DatabricksVectorSearch (#16829) - **Description:** This PR adds support for `search_types="mmr"` and `search_type="similarity_score_threshold"` to retrievers using `DatabricksVectorSearch`, - **Issue:** - **Dependencies:** - **Twitter handle:** --------- Co-authored-by: Bagatur <baskaryan@gmail.com>