- name: preference
          in: query
          description: String to specify a shard for searching
          required: false
          schema:
            type: string
            example: abc
        - name: callback
          in: query
          description: Callback name for using JSONP
          required: false
          schema:
            type: string
      responses:
        '200':

            return createCharSequence("search_aaa");
        }

        /**
         * @return CharSequence
         */
        public static CharSequence abc_exclude() {
            return createCharSequence("abc_exclude");
        }

        /**
         * @return CharSequence
         */
        public static CharSequence search_() {
            return createCharSequence("search_");

        assertEquals("abc", fessXpathTransformer.removeCommentTag("abc"));
        assertEquals("abc ", fessXpathTransformer.removeCommentTag("abc<!-- foo -->"));
        assertEquals("abc 123", fessXpathTransformer.removeCommentTag("abc<!-- fo\no -->123"));
        assertEquals("abc 123", fessXpathTransformer.removeCommentTag("abc<!--\n foo -->123"));

        assertNotNull(new SystemHelper().getEnvMap());
    }

    public void test_encodeUrlFilter() {
        String path = null;
        assertNull(systemHelper.encodeUrlFilter(path));

        path = "abc";
        assertEquals(path, systemHelper.encodeUrlFilter(path));

        path = "あいう";
        assertEquals("%E3%81%82%E3%81%84%E3%81%86", systemHelper.encodeUrlFilter(path));

        path = "[]^$.*+?,{}|%\\";