static boolean shouldHandleField(Object field) {
            return (field instanceof Inspectable) &&
                    (((Inspectable)field).inspect().type() == Type.ARRAY);
        }
This converts the backend binary highlighting of each item in an array of string field,
and creates a new field that replaces the original.
container-search/src/main/java/com/yahoo/prelude/searcher/JuniperSearcher.java