{
  "fess_config.related_content" : {
    "aliases" : { },
    "mappings" : {
      "related_content" : {
        "properties" : {
          "content" : {
            "type" : "keyword"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "sortOrder" : {
            "type" : "integer"
          },
          "term" : {