"mapping": {
          "type": "keyword"
        },
        "match": "*",
        "match_mapping_type": "string"
      }
    }
  ],
  "properties": {
    "settingsType": {
      "type": "keyword"
    },
    "fieldName": {
      "type": "keyword"
    },
    "readingAnalyzer": {
      "type": "keyword"
    },
    "readingTermAnalyzer": {
      "type": "keyword"
    },
    "normalizeAnalyzer": {

{
    "properties": {
      "parentUrl": {
        "type": "keyword"
      },
      "method": {
        "type": "keyword"
      },
      "mimeType": {
        "type": "keyword"
      },
      "sessionId": {
        "type": "keyword"
      },
      "url": {
        "type": "keyword"
      },
      "executionTime": {
        "type": "long"
      },
      "createTime": {
        "type": "long"
      },

    },
    "roles": {
      "type": "keyword"
    },
    "languages": {
      "type": "keyword"
    },
    "score": {
      "type": "double"
    },
    "tags": {
      "type": "keyword"
    },
    "text": {
      "type": "keyword"
    },
    "userBoost": {
      "type": "double"
    }
  }

{
    "properties": {
      "sessionId": {
        "type": "keyword"
      },
      "filterType": {
        "type": "keyword"
      },
      "url": {
        "type": "keyword"
      }
    }

      "parentUrl": {
        "type": "keyword"
      },
      "method": {
        "type": "keyword"
      },
      "weight": {
        "type": "float"
      },
      "createTime": {
        "type": "long"
      },
      "lastModified": {
        "type": "long"
      },
      "sessionId": {
        "type": "keyword"
      },
      "url": {
        "type": "keyword"
      }
    }

 * methods to add, remove, clear, and retrieve data from these structures.
 *
 * <p>The class is thread-safe due to the use of {@code synchronized} keyword on methods that
 * modify the internal data structures. The internal maps are also declared as {@code volatile}
 * to ensure visibility of changes across threads.
 *