{
    "suggest": {
        "text": "hello wolrd",
        "suggest": {
            "phrase": {
                "field": "suggest",
                "size": 1,
                "max_errors": 2,
                "confidence": 2,
                "real_word_error_likelihood": 0.95,
                "direct_generator": [
                    {
                        "field": "suggest",
                        "suggest_mode": "always",
                        "max_term_freq": 0.5,
                        "min_doc_freq": 0,
                        "prefix_length": 2
                    },
                    {
                        "field": "suggest.reverse",
                        "suggest_mode": "always",
                        "max_term_freq": 0.5,
                        "min_doc_freq": 0,
                        "prefix_length": 2,
                        "pre_filter": "token_reverse",
                        "post_filter": "token_reverse"
                    }
                ],
                "highlight": {
                    "pre_tag": "\ue000",
                    "post_tag": "\ue001"
                },
                "smoothing": {
                    "stupid_backoff": {
                        "discount": 0.4
                    }
                }
            }
        }
    }
}