public Integer getInteger(String key, Filter filter, Integer defaultValue) { return (Integer) getPropertyWithFilter(key, filter, Integer.class, defaultValue);
public Integer getInteger(String key, Integer defaultValue) { return properties.getInteger(key, defaultValue);
    public Integer getInteger(String key, Filter filter, Integer defaultValue) {        return (Integer) getPropertyWithFilter(key, filter, Integer.class, defaultValue);    }