* and register all queries with the FacetInfo component.
     */
    @PostConstruct
    public void init() {
        final String filetypeField = ComponentUtil.getFessConfig().getIndexFieldFiletype();
        final Collection<String> values = queryMap.values();
        if (values.stream().anyMatch(s -> s.startsWith(filetypeField))) {

            }

            @Override
            public String getIndexFieldMimetype() {
                return "mimetype";
            }

            @Override
            public String getIndexFieldFiletype() {
                return "filetype";
            }

            @Override
            public String getIndexFieldFilename() {
                return "filename";
            }

            public String getIndexFieldMimetype() {
                return baseConfig.getIndexFieldMimetype();
            }

            @Override
            public String getIndexFieldFiletype() {
                return baseConfig.getIndexFieldFiletype();
            }

            @Override
            public String getIndexFieldFilename() {
                return baseConfig.getIndexFieldFilename();
            }

            }

            @Override
            public String getIndexFieldMimetype() {
                return "mimetype";
            }

            @Override
            public String getIndexFieldFiletype() {
                return "filetype";
            }

            @Override
            public String getIndexFieldFilename() {
                return "filename";
            }

            }

            @Override
            public String getIndexFieldMimetype() {
                return "mimetype";
            }

            @Override
            public String getIndexFieldFiletype() {
                return "filetype";
            }

            @Override
            public String getIndexFieldFilename() {
                return "filename";
            }

        }
    }

    private static class TestFessConfig extends FessConfig.SimpleImpl {
        private static final long serialVersionUID = 1L;

        @Override
        public String getIndexFieldFiletype() {
            return "filetype";
        }

        @Override
        public String getPasswordInvalidAdminPasswords() {
            return "admin,password,123456";
        }

            }

            @Override
            public String getIndexFieldMimetype() {
                return "mimetype";
            }

            @Override
            public String getIndexFieldFiletype() {
                return "filetype";
            }

            @Override
            public String getIndexFieldFilename() {
                return "filename";
            }

                    fessConfig.getIndexFieldLastModified(), //
                    fessConfig.getIndexFieldTimestamp(), //
                    fessConfig.getIndexFieldMimetype(), //
                    fessConfig.getIndexFieldFiletype(), //
                    fessConfig.getIndexFieldFilename(), //
                    fessConfig.getIndexFieldCreated(), //
                    fessConfig.getIndexFieldTitle(), //

            }

            @Override
            public String getIndexFieldMimetype() {
                return "mimetype";
            }

            @Override
            public String getIndexFieldFiletype() {
                return "filetype";
            }

            @Override
            public String getIndexFieldFilename() {
                return "filename";
            }

        assertEquals("content_length", fessConfig.getIndexFieldContentLength());
    }

    @Test
    public void test_indexFieldFiletype() {
        assertEquals("filetype", fessConfig.getIndexFieldFiletype());
    }

    @Test
    public void test_indexFieldFilename() {
        assertEquals("filename", fessConfig.getIndexFieldFilename());
    }

    @Test