1{
2  "indices.field_usage_stats": {
3    "url_params": {
4      "fields": [],
5      "ignore_unavailable": "__flag__",
6      "allow_no_indices": "__flag__",
7      "expand_wildcards": [
8        "open",
9        "closed",
10        "hidden",
11        "none",
12        "all"
13      ]
14    },
15    "methods": [
16      "GET"
17    ],
18    "patterns": [
19      "{indices}/_field_usage_stats"
20    ],
21    "documentation": "https://www.elastic.co/guide/en/elasticsearch/reference/master/field-usage-stats.html"
22  }
23}
24