class PMap {

    public boolean has(String key) {
        // query accepts camelCase and under_score
        return map.containsKey(Helper.camelCaseToUnderScore(key));
    }

    public  PMap();
    public  PMap(int capacity);
    public  PMap(Map<String, String> map);
    public  PMap(PMap map);
    public  PMap(String propertiesString);

}