@Override
        boolean serialize(StringBuilder destination, RangeItem range) {
            String annotations = leafAnnotations(range);
            if (!annotations.isEmpty()) {
                destination.append("{").append(annotations).append("}");
            }
            destination.append(RANGE).append('(')
                    .append(normalizeIndexName(range.getIndexName()))
                    .append(", ");
            appendNumberImage(destination, range.getFrom()); // TODO: Serialize
                                                             // inclusive/exclusive
            destination.append(", ");
            appendNumberImage(destination, range.getTo());
            destination.append(')');
            return false;
        }
Serialize Vespa query trees to YQL+ strings.

@author Steinar Knutsen
container-search/src/main/java/com/yahoo/search/yql/VespaSerializer.java