local/elasticsearch-reindex/src/test/resources/ActivityChildObjectParent.json

{
    "$license": [
        "http://www.apache.org/licenses/LICENSE-2.0"
    ],
    "template": "*",
    "order": 100,
    "mappings": {
        "object": {
            "dynamic": true
        },
        "activity": {
            "_parent": {
              "type": "object"
            },
            "dynamic": true
        }
    }
}