value = "${\\$}";
        assertEquals(value, ResourceUtil.resolve(value));

        System.setProperty("test.dir", "c:\\test1\\test2");

        value = "${test.dir}";
        assertEquals("c:\\test1\\test2", ResourceUtil.resolve(value));

    }

                condition.build(builder);
                resultMap.put("index", index);
                resultMap.put("query", builder.toString());
                return OptionalEntity.of(Map.of("_id", "001", "title", "test1", "content", "test2"));
            }
        };
        ComponentUtil.register(client, "searchEngineClient");