}
    }

    /**
     * Deletes the specified file in a background thread.
     *
     * @param file
     *            The file to delete.
     */
    public static void deleteInBackground(final File file) {
        if (file != null) {
            TimeoutManager.getInstance().addTimeoutTarget(() -> {
                try {
                    Files.deleteIfExists(file.toPath());

                        responseData.setHttpStatusCode(Constants.SERVER_ERROR_STATUS_CODE);
                        FileUtil.deleteInBackground(outputFile);
                    }
                }

                final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");

                    disconnectInternalClient(client);
                    responseData.setHttpStatusCode(Constants.SERVER_ERROR_STATUS_CODE);
                } finally {
                    FileUtil.deleteInBackground(tempFile);
                }
            }
        } else if (file.isDirectory() || file.isSymbolicLink()) {
            final Set<RequestData> requestDataSet = new HashSet<>();
            if (includeContent) {