return "title,content";
        }

        @Override
        public String getSuggestFieldTags() {
            return "label";
        }

        @Override
        public String getSuggestFieldRoles() {
            return "role";
        }

        @Override
        public String getSuggestFieldIndexContents() {
            return "title,content";
        }

        @Override

     * The value is, e.g. role <br>
     * comment: Field for suggestion roles.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getSuggestFieldRoles();

    /**
     * Get the value for the key 'suggest.field.index.contents'. <br>
     * The value is, e.g. content,title <br>
     * comment: Index contents for suggestion.