throw new UnsupportedOperationException("getFacetInfo() is not supported in this implementation");
        }

        @Override
        public String getSort() {
            throw new UnsupportedOperationException("getSort() is not supported in this implementation");
        }

        @Override
        public int getStartPosition() {

                realms.add(realm.getId());
            }
        } else {
            realms = Collections.emptySet();
        }

        try {
            if (stdout != null) {
                System.setOut(stdout);
            }
            if (stderr != null) {
                System.setErr(stderr);
            }

            CliRequest cliRequest = new CliRequest(args, classWorld);

                    .preTags(StringUtil.EMPTY)
                    .postTags(StringUtil.EMPTY);
        }

        @Override
        public String getSort() {
            return null;
        }

        @Override
        public int getStartPosition() {
            return fessConfig.getPagingSearchPageStartAsInteger();
        }