public static GeoLocation geoLocation(String field, Double longitude, Double latitude, String radius) {
        return new GeoLocation(field, longitude, latitude, radius);
    }
GeoLocation geo location
https://docs.vespa.ai/en/reference/query-language-reference.html#geolocation

@param field the field
@param longitude longitude
@param latitude latitude
@param radius a string specifying the radius and it's unit
@return the geo-location query
client/src/main/java/ai/vespa/client/dsl/Q.java