@Override
        boolean serialize(StringBuilder destination, GeoLocationItem item) {
            String annotations = leafAnnotations(item);
            if (!annotations.isEmpty()) {
                destination.append("({").append(annotations).append("}");
            }
            destination.append(GEO_LOCATION).append('(');
            destination.append(item.getIndexName()).append(", ");
            var loc = item.getLocation();
            destination.append(loc.degNS()).append(", ");
            destination.append(loc.degEW()).append(", ");
            destination.append('"').append(loc.degRadius()).append(" deg").append('"');
            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