<start_of_text>Build Haystack search summarization pipeline with TransformersSummarizer, tfidf retriever and faiss document store<response>{"version": "1.6.0", "components": [{"name": "faiss_document_store", "type": "FAISSDocumentStore", "params": {"embedding_dim": 768, "faiss_index_factory_str": "Flat", "return_embedding": false, "index": "document", "similarity": "dot_product", "ef_search": 20}}, {"name": "tfidf_retriever", "type": "TfidfRetriever", "params": {}}, {"name": "transformers_summarizer", "type": "TransformersSummarizer", "params": {}}], "pipelines": [{"name": "my_query_pipeline", "nodes": [{"inputs": ["Query"], "name": "tfidf_retriever"}, {"inputs": ["tfidf_retriever"], "name": "transformers_summarizer"}]}]}<end_of_text>