"convert_type": "t2s"
        },
        "zero_width_spaces": {
            "type":       "mapping",
            "mappings": [ "\\u200C=> "]
        },
        "removeall_filter": {
          "type": "pattern_replace",
          "pattern":"(.*)",
          "replacement":""
        }
      },
      "filter": {
        "stemmer_en_filter": {
          "type": "stemmer",