Elastic Search query that matches all elements in nested document

Elastic Stack Elasticsearch
4 
{
  "query": {
    "bool": {
      "must_not": [               // exclude those parents, which ... 
        {
          "nested": {
            "path": "SecurityCodes",
            "query": {
                "bool": {
                     "must": [            // .. has any child ...
                          "exists": {
                                "field": "SecurityCodes.Name"
                            }
                     ],
                     "must_not": [      // ... but not Restricted
                           { 
                               "match": {
                                     "SecurityCodes.Name": {
                                     "query": "Restricted"
                                  }
                               }
                           }
                     ],
                }
           }
       ]
    }
  }
}

Assuming that ES handles top pure negation query, it might do the thing.

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