private void addBody(StringBuilder builder) {
            if (value != null) {
                addIndented(builder, valueString(value));
            } else {
                for (ItemDiscloser child : children) {
                    addIndented(builder, child.toString());
                }
            }
        }
Creates the textual representation for a single Item.
container-search/src/main/java/com/yahoo/prelude/query/textualrepresentation/TextualQueryRepresentation.java