return 0;
        }

        @Override
        public int getPageSize() {
            return pageSize;
        }

        @Override
        public String[] getExtraQueries() {
            return parent.getExtraQueries();
        }

        @Override
        public Object getAttribute(final String name) {
            return parent.getAttribute(name);
        }

        @Override

        }

        @Override
        public String getQuery() {
            return request.getParameter("q");
        }

        @Override
        public String[] getExtraQueries() {
            return getParamValueArray(request, "ex_q");
        }

        @Override
        public Map<String, String[]> getFields() {
            final Map<String, String[]> fields = new HashMap<>();