* message: Failed to upload a synonym file.
     * </pre>
     * @param property The property name for the message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addErrorsFailedToUploadSynonymFile(String property) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(ERRORS_failed_to_upload_synonym_file));
        return this;
    }

    /**

                file.update(inputStream);
            } catch (final IOException e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsFailedToUploadSynonymFile(GLOBAL),
                        () -> redirectWith(getClass(), moreUrl("uploadpage/" + form.dictId)));
            }
            saveInfo(messages -> messages.addSuccessUploadSynonymFile(GLOBAL));