"description" : "Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have been specified)"
},
"expand_wildcards": {
- "type" : "enum",
+ "type" : "list",
"options" : ["open","closed"],
"default" : "open",
"description" : "Whether to expand wildcard expression to concrete indices that are open, closed or both."
Spencer