return null;
        }

        @Override
        public Map<String, String[]> getConditions() {
            return null;
        }

        @Override
        public String[] getLanguages() {
            return null;
        }

        @Override
        public GeoInfo getGeoInfo() {
            return null;
        }

        @Override
        public FacetInfo getFacetInfo() {

     */
    public abstract Map<String, String[]> getConditions();

    /**
     * Returns the languages.
     *
     * @return The languages.
     */
    public abstract String[] getLanguages();

    /**
     * Returns the geo info.
     *
     * @return The geo info.
     */
    public abstract GeoInfo getGeoInfo();

    /**
     * Returns the facet info.
     *

        mojo.setImplementation(c.getChild("implementation").getValue());

        PlexusConfiguration langConfig = c.getChild("language");

        if (langConfig != null) {
            mojo.setLanguage(langConfig.getValue());
        }

        PlexusConfiguration configuratorConfig = c.getChild("configurator");

        if (configuratorConfig != null) {

        setupEpg(_epgMap, et -> ((SearchLog) et).getHitCountRelation(),
                (et, vl) -> ((SearchLog) et).setHitCountRelation(DfTypeUtil.toString(vl)), "hitCountRelation");
        setupEpg(_epgMap, et -> ((SearchLog) et).getLanguages(), (et, vl) -> ((SearchLog) et).setLanguages(DfTypeUtil.toString(vl)),
                "languages");

     */
    public String[] getRoles() {
        return roles;
    }

    /**
     * Returns the languages of the suggest item.
     * @return The languages.
     */
    public String[] getLanguages() {
        return languages;
    }

    /**
     * Returns the fields of the suggest item.
     * @return The fields.
     */
    public String[] getFields() {
        return fields;
    }

        }

        @Override
        public Map<String, String[]> getConditions() {
            return parent.getConditions();
        }

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

        @Override
        public GeoInfo getGeoInfo() {
            return parent.getGeoInfo();
        }

        @Override

            return fields;
        }

        @Override
        public Map<String, String[]> getConditions() {
            return conditions;
        }

        @Override
        public String[] getLanguages() {
            return languages;
        }

        @Override
        public GeoInfo getGeoInfo() {
            return geoInfo;
        }

        @Override

                    appendJson("query-offset", entity.getQueryOffset(), buf).append(',');
                    appendJson("referer", entity.getReferer(), buf).append(',');
                    appendJson("languages", entity.getLanguages(), buf).append(',');
                    appendJson("roles", entity.getRoles(), buf).append(',');
                    appendJson("user-agent", entity.getUserAgent(), buf).append(',');

            return null;
        }

        @Override
        public Map<String, String[]> getConditions() {
            return null;
        }

        @Override
        public String[] getLanguages() {
            return null;
        }

        @Override
        public GeoInfo getGeoInfo() {
            return null;
        }

        @Override
        public FacetInfo getFacetInfo() {

            params.put("Page Size", toNumberString(e.getQueryPageSize()));
            params.put("Client IP", e.getClientIp());
            params.put("Referer", e.getReferer());
            params.put("Languages", e.getLanguages());
            params.put("Virtual Host", e.getVirtualHost());
            params.put("Roles", e.getRoles() != null ? String.join(" ", e.getRoles()) : StringUtil.EMPTY);
            params.put("User Agent", e.getUserAgent());