module testDuplicateAttribute {

    interface Filter {
        readonly attribute string filter_string;

        void store_filter(in string myfilter);
        string retrieve_filter(in long id);
    };
    
    interface MapFilter {
        readonly attribute string filter_string;
        
        void store_map_filter(in string myfilter);
        string retrieve_map_filter(in long  id);
    };
};