try {
            handshake();
        } catch (IOException ex) { }
        return connection.getContent(classes);
    }

    public Permission getPermission() throws IOException {
        return connection.getPermission();
    }

    public InputStream getInputStream() throws IOException {
        try {
            handshake();
        } catch (IOException ex) { }

        handshake();
        return this.connection.getContent(classes);
    }


    @Override
    public Permission getPermission () throws IOException {
        return this.connection.getPermission();
    }


    @Override
    public InputStream getInputStream () throws IOException {
        handshake();
        return this.connection.getInputStream();
    }

            .replaceWith("getPermissions()")
            .willBeRemovedInGradle9()
            .withUpgradeGuideSection(8, "unix_file_permissions_deprecated")
            .nagUser();
        return getPermissions().toUnixNumeric();
    }

    @Override
    public FilePermissions getPermissions() {
        return isDirectory() ? DefaultFilePermissions.DEFAULT_DIR_PERMISSIONS :

        def file = new TestFileTreeElement(temporaryFolder.file("someFile"), chmod)

        expect:
        dir.getPermissions().toUnixNumeric() == FileSystem.DEFAULT_DIR_MODE
        file.getPermissions().toUnixNumeric() == FileSystem.DEFAULT_FILE_MODE
    }

    private TestFile writeToFile(String name, String content) {
        TestFile result = temporaryFolder.file(name)

                .replaceWith("getPermissions()")
                .willBeRemovedInGradle9()
                .withUpgradeGuideSection(8, "unix_file_permissions_deprecated")
                .nagUser();
            return getPermissions().toUnixNumeric();
        }

        @Override
        public FilePermissions getPermissions() {
            int unixNumeric = stat.getUnixMode(getFile());

        return stream(getPermissions()).get(stream -> stream.filter(s -> s.startsWith(fessConfig.getRoleSearchRolePrefix()))
                .map(s -> s.substring(1)).toArray(n -> new String[n]));
    }

    @Override
    public String[] getGroupNames() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        return crawlingConfig.getId();
    }

    @Override
    public String getName() {
        return crawlingConfig.getName();
    }

    @Override
    public String[] getPermissions() {
        return crawlingConfig.getPermissions();
    }

    @Override
    public String[] getVirtualHosts() {
        return crawlingConfig.getVirtualHosts();
    }

    @Override
    public String getDocumentBoost() {

                .replaceWith("getPermissions()")
                .willBeRemovedInGradle9()
                .withUpgradeGuideSection(8, "unix_file_permissions_deprecated")
                .nagUser();
            return getPermissions().toUnixNumeric();
        }

        @Override
        public FilePermissions getPermissions() {
            int unixNumeric = stat.getUnixMode(file);

        details.getRelativePath() >> RelativePath.parse(true, path)
        details.getLastModified() >> 1000L
        details.getSize() >> content.getBytes().length
        details.isDirectory() >> false
        details.getPermissions() >> new DefaultFilePermissions(1)
        details.copyTo(_ as OutputStream) >> {OutputStream out -> IOUtils.write(content, out)}

        return details
    }

    //                                                                            Accessor
    //                                                                            ========
    public String[] getPermissions() {
        return user.getPermissions();
    }

    public String[] getRoles() {
        return user.getRoleNames();
    }

    public String[] getGroups() {
        return user.getGroupNames();
    }