{
    "properties" : {
        "byte" : {
            "type" : "byte"
        },
        "short" : {
            "type" : "short"
        },
        "integer" : {
            "type" : "integer"
        },
        "long" : {
            "type" : "long"
        },
        "unsigned_long" : {
          "type" : "unsigned_long"
        },
        "meta_subfield" : {
            "type" : "text",
            "fields" : {
                "_meta" : {
                     "type" : "keyword"
                }
            }
        }
    }
}