<start_of_text>Build Haystack search summarization pipeline using transformers summarizer, BM25Retriever and InMemoryDocumentStore<response>{"version": "1.6.0", "components": [{"name": "in_memory_document_store", "type": "InMemoryDocumentStore", "params": {"index": "document", "label_index": "label", "embedding_field": "embedding", "progress_bar": true, "duplicate_documents": "overwrite", "scoring_batch_size": 500000}}, {"name": "bm25_retriever", "type": "BM25Retriever", "params": {}}, {"name": "transformers_summarizer", "type": "TransformersSummarizer", "params": {"use_gpu": true, "clean_up_tokenization_spaces": true, "separator_for_single_summary": " ", "batch_size": 0}}], "pipelines": [{"name": "my_query_pipeline", "nodes": [{"inputs": ["Query"], "name": "bm25_retriever"}, {"inputs": ["bm25_retriever"], "name": "transformers_summarizer"}]}]}<end_of_text>