assertTrue(
        from.getType() + " is expected to be assignable to " + to.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        to.getType() + " is expected to be a supertype of " + from.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        from.getType() + " is expected to be a subtype of " + to.getType(), from.isSubtypeOf(to));
  }

    assertTrue(
        from.getType() + " is expected to be assignable to " + to.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        to.getType() + " is expected to be a supertype of " + from.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        from.getType() + " is expected to be a subtype of " + to.getType(), from.isSubtypeOf(to));
  }

        }

        @Override
        public Locale getLocale() {
            return Locale.ROOT;
        }

        @Override
        public SearchRequestType getType() {
            return SearchRequestType.JSON;
        }

        @Override
        public String getSimilarDocHash() {
            return request.getParameter("sdh");
        }

        // host
        putResultDataBody(dataMap, fessConfig.getIndexFieldHost(), getHost(url));
        // site
        putResultDataBody(dataMap, fessConfig.getIndexFieldSite(), getSite(url, urlEncoding));
        // filename
        if (StringUtil.isNotBlank(fileName)) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldFilename(), fileName);
        }
        // url

                                contentType = defaultMimeType;
                            }
                        }
                    } else {
                        final File outputFile = dfos.getFile();
                        responseData.setResponseBody(outputFile, true);
                        contentLength = outputFile.length();
                        if (contentType == null) {