text: <start_of_text>Generate Haystack document search system with elasticsearch retriever and in memory document store<response>{"version": "1.6.0", "components": [{"name": "in_memory_document_store", "type": "InMemoryDocumentStore", "params": {"progress_bar": true}}, {"name": "elasticsearch_retriever", "type": "ElasticsearchRetriever", "params": {}}], "pipelines": [{"name": "my_doc_search_pipeline", "nodes": [{"inputs": ["Query"], "name": "elasticsearch_retriever"}, {"inputs": ["elasticsearch_retriever"]}]}]}<end_of_text>