@JacksonXmlProperty(namespace = XmlConstants.XML_NAMESPACE, localName = XmlConstants.ELT_CONTEXT_MAP)
//    @JsonSerialize(using = MapSerializer.class)
//    @JsonDeserialize(using = MapDeserializer.class)
    @Override
    public abstract Map<String, String> getContextMap();

    @JsonProperty(JsonConstants.ELT_CONTEXT_STACK)
    @JacksonXmlElementWrapper(namespace = XmlConstants.XML_NAMESPACE, localName = XmlConstants.ELT_CONTEXT_STACK)
    @JacksonXmlProperty(namespace = XmlConstants.XML_NAMESPACE, localName = XmlConstants.ELT_CONTEXT_STACK_ITEM)
    @Override
    public abstract ContextStack getContextStack();

    @JsonProperty()
    @JacksonXmlProperty(isAttribute = true)
    @Override
    public abstract Level getLevel();

    @JsonProperty()
    @JacksonXmlProperty(isAttribute = true)
    @Override
    public abstract String getLoggerFqcn();

    @JsonProperty()
    @JacksonXmlProperty(isAttribute = true)
    @Override
    public abstract String getLoggerName();

    @JsonProperty(JsonConstants.ELT_MARKER)
    @JacksonXmlProperty(namespace = XmlConstants.XML_NAMESPACE, localName = XmlConstants.ELT_MARKER)
    @Override
    public abstract Marker getMarker();

    @JsonProperty(JsonConstants.ELT_MESSAGE)
    @JsonSerialize(using = MessageSerializer.class)
    @JsonDeserialize(using = SimpleMessageDeserializer.class)
    @JacksonXmlProperty(namespace = XmlConstants.XML_NAMESPACE, localName = XmlConstants.ELT_MESSAGE)
    @Override
    public abstract Message getMessage();

    @JsonProperty(JsonConstants.ELT_SOURCE)
    @JsonDeserialize(using = Log4jStackTraceElementDeserializer.class)
    @JacksonXmlProperty(namespace = XmlConstants.XML_NAMESPACE, localName = XmlConstants.ELT_SOURCE)
    @Override
    public abstract StackTraceElement getSource();

    @Override
    @JsonProperty("threadId")
    @JacksonXmlProperty(isAttribute = true, localName = "threadId")
    public abstract long getThreadId();

    @Override
    @JsonProperty("thread")
    @JacksonXmlProperty(isAttribute = true, localName = "thread")
    public abstract String getThreadName();

    @Override
    @JsonProperty("threadPriority")
    @JacksonXmlProperty(isAttribute = true, localName = "threadPriority")
    public abstract int getThreadPriority();

    @JsonIgnore
    @Override
    public abstract Throwable getThrown();

    @JsonProperty(JsonConstants.ELT_THROWN)
    @JacksonXmlProperty(namespace = XmlConstants.XML_NAMESPACE, localName = XmlConstants.ELT_THROWN)
    @Override
    public abstract ThrowableProxy getThrownProxy();

    @JsonProperty()
    @JacksonXmlProperty(isAttribute = true)
    @Override
    public abstract long getTimeMillis();

    @JsonProperty()
    @JacksonXmlProperty(isAttribute = true)
    @Override
    public abstract boolean isEndOfBatch();

    @JsonIgnore
    @Override
    public abstract boolean isIncludeLocation();

    @Override
    public abstract void setEndOfBatch(boolean endOfBatch);

    @Override
    public abstract void setIncludeLocation(boolean locationRequired);

}

        super(config, new JacksonFactory.JSON(encodeThreadContextAsList).newWriter(locationInfo, properties, compact),
                charset, compact, complete, eventEol,
                PatternLayout.createSerializer(config, null, headerPattern, DEFAULT_HEADER, null, false, false),
                PatternLayout.createSerializer(config, null, footerPattern, DEFAULT_FOOTER, null, false, false));
    }

    /**
     * Returns appropriate JSON header.
     *
     * @return a byte array containing the header, opening the JSON array.
     */
    @Override
    public byte[] getHeader() {
        if (!this.complete) {
            return null;
        }
        final StringBuilder buf = new StringBuilder();
        final String str = serializeToString(getHeaderSerializer());
        if (str != null) {
            buf.append(str);
        }
        buf.append(this.eol);
        return getBytes(buf.toString());
    }

    /**
     * Returns appropriate JSON footer.
     *
     * @return a byte array containing the footer, closing the JSON array.
     */
    @Override
    public byte[] getFooter() {
        if (!this.complete) {
            return null;
        }
        final StringBuilder buf = new StringBuilder();
        buf.append(this.eol);
        final String str = serializeToString(getFooterSerializer());
        if (str != null) {
            buf.append(str);
        }
        buf.append(this.eol);
        return getBytes(buf.toString());
    }

    @Override
    public Map<String, String> getContentFormat() {
        final Map<String, String> result = new HashMap<>();
        result.put("version", "2.0");
        return result;
    }

    @Override
    /**
     * @return The content type.
     */
    public String getContentType() {
        return CONTENT_TYPE + "; charset=" + this.getCharset();
    }

    /**
     * Creates a JSON Layout.
     * @param config
     *           The plugin configuration.
     * @param locationInfo
     *            If "true", includes the location information in the generated JSON.
     * @param properties
     *            If "true", includes the thread context map in the generated JSON.
     * @param propertiesAsList
     *            If true, the thread context map is included as a list of map entry objects, where each entry has
     *            a "key" attribute (whose value is the key) and a "value" attribute (whose value is the value).
     *            Defaults to false, in which case the thread context map is included as a simple map of key-value
     *            pairs.
     * @param complete
     *            If "true", includes the JSON header and footer, and comma between records.
     * @param compact
     *            If "true", does not use end-of-lines and indentation, defaults to "false".
     * @param eventEol
     *            If "true", forces an EOL after each log event (even if compact is "true"), defaults to "false". This
     *            allows one even per line, even in compact mode.
     * @param headerPattern
     *            The header pattern, defaults to {@code "["} if null.
     * @param footerPattern
     *            The header pattern, defaults to {@code "]"} if null.
     * @param charset
     *            The character set to use, if {@code null}, uses "UTF-8".
     * @return A JSON Layout.
     */
    @PluginFactory
    public static JsonLayout createLayout(

                        java.util.Calendar tcal = java.util.Calendar.getInstance(getTimeZone());
                        tcal.set(Calendar.SECOND, 0);
                        tcal.set(Calendar.MINUTE, 0);
                        tcal.set(Calendar.HOUR_OF_DAY, 0);
                        tcal.set(Calendar.DAY_OF_MONTH, day);
                        tcal.set(Calendar.MONTH, mon - 1);
                        tcal.set(Calendar.YEAR, cl.get(Calendar.YEAR));

                        int ldom = getLastDayOfMonth(mon, cl.get(Calendar.YEAR));
                        int dow = tcal.get(Calendar.DAY_OF_WEEK);

                        if (dow == Calendar.SATURDAY && day == 1) {
                            day += 2;
                        } else if (dow == Calendar.SATURDAY) {
                            day -= 1;
                        } else if (dow == Calendar.SUNDAY && day == ldom) {
                            day -= 2;
                        } else if (dow == Calendar.SUNDAY) {
                            day += 1;
                        }

                        tcal.set(Calendar.SECOND, sec);
                        tcal.set(Calendar.MINUTE, min);
                        tcal.set(Calendar.HOUR_OF_DAY, hr);
                        tcal.set(Calendar.DAY_OF_MONTH, day);
                        tcal.set(Calendar.MONTH, mon - 1);
                        Date nTime = tcal.getTime();
                        if (nTime.before(afterTime)) {
                            day = 1;

    }

    /**
     * @see ReusableMessage#getFormattedMessage()
     */
    @Override
    public String getFormattedMessage() {
        return messageText.toString();
    }

    /**
     * @see ReusableMessage#getFormat()
     */
    @Override
    public String getFormat() {
        return null;
    }

    /**
     * @see ReusableMessage#getParameters()
     */
    @Override
    public Object[] getParameters() {
        return parameters == null ? null : Arrays.copyOf(parameters, parameterCount);
    }

    /**
     * @see ReusableMessage#getThrowable()
     */
    @Override
    public Throwable getThrowable() {
        return getThrown();
    }

    /**
     * @see ReusableMessage#formatTo(StringBuilder)
     */
    @Override
    public void formatTo(final StringBuilder buffer) {
        buffer.append(messageText);
    }

    /**
     * Replaces this ReusableMessage's parameter array with the specified value and return the original array
     * @param emptyReplacement the parameter array that can be used for subsequent uses of this reusable message
     * @return the original parameter array
     * @see ReusableMessage#swapParameters(Object[])
     */
    @Override
    public Object[] swapParameters(final Object[] emptyReplacement) {
        final Object[] result = this.parameters;
        this.parameters = emptyReplacement;
        return result;
    }

    /*
     * @see ReusableMessage#getParameterCount
     */
    @Override
    public short getParameterCount() {
        return parameterCount;
    }

    @Override
    public Message memento() {
        if (message != null) {
            return message;
        }
        Object[] params = parameters == null ? new Object[0] : Arrays.copyOf(parameters, parameterCount);
        return new ParameterizedMessage(messageText.toString(), params);
    }

    // CharSequence impl

    @Override
    public int length() {

        this.loggerConfig = Objects.requireNonNull(loggerConfig, "loggerConfig is null");
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.logging.log4j.core.config.ReliabilityStrategy#log(org.apache.logging.log4j.util.Supplier,
     * java.lang.String, java.lang.String, org.apache.logging.log4j.Marker, org.apache.logging.log4j.Level,
     * org.apache.logging.log4j.message.Message, java.lang.Throwable)
     */
    @Override
    public void log(final Supplier<LoggerConfig> reconfigured, final String loggerName, final String fqcn,
            final Marker marker, final Level level, final Message data, final Throwable t) {

        final LoggerConfig config = getActiveLoggerConfig(reconfigured);
        try {
            config.log(loggerName, fqcn, marker, level, data, t);
        } finally {
            config.getReliabilityStrategy().afterLogEvent();
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.logging.log4j.core.config.ReliabilityStrategy#log(org.apache.logging.log4j.util.Supplier,
     * org.apache.logging.log4j.core.LogEvent)
     */
    @Override
    public void log(final Supplier<LoggerConfig> reconfigured, final LogEvent event) {
        final LoggerConfig config = getActiveLoggerConfig(reconfigured);
        try {
            config.log(event);
        } finally {
            config.getReliabilityStrategy().afterLogEvent();
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.apache.logging.log4j.core.config.ReliabilityStrategy#beforeLogEvent(org.apache.logging.log4j.core.config.
     * LoggerConfig, org.apache.logging.log4j.util.Supplier)
     */
    @Override
    public LoggerConfig getActiveLoggerConfig(final Supplier<LoggerConfig> next) {
        LoggerConfig result = this.loggerConfig;
        if (!beforeLogEvent()) {
            result = next.get();
            return result.getReliabilityStrategy().getActiveLoggerConfig(next);
        }
        return result;
    }

    private boolean beforeLogEvent() {

            final Filter filter, final MemoryMappedFileManager manager, final String filename,
            final boolean ignoreExceptions, final boolean immediateFlush, final Advertiser advertiser) {
        super(name, layout, filter, ignoreExceptions, immediateFlush, manager);
        if (advertiser != null) {
            final Map<String, String> configuration = new HashMap<>(layout.getContentFormat());
            configuration.putAll(manager.getContentFormat());
            configuration.put("contentType", layout.getContentType());
            configuration.put("name", name);
            advertisement = advertiser.advertise(configuration);
        }
        this.fileName = filename;
        this.advertiser = advertiser;
    }

    @Override
    public void stop() {
        super.stop();
        if (advertiser != null) {
            advertiser.unadvertise(advertisement);
        }
    }

    /**
     * Write the log entry rolling over the file when required.
     *
     * @param event The LogEvent.
     */
    @Override
    public void append(final LogEvent event) {

        // Leverage the nice batching behaviour of async Loggers/Appenders:
        // we can signal the file manager that it needs to flush the buffer
        // to disk at the end of a batch.
        // From a user's point of view, this means that all log events are
        // _always_ available in the log file, without incurring the overhead
        // of immediateFlush=true.
        getManager().setEndOfBatch(event.isEndOfBatch()); // FIXME manager's EndOfBatch threadlocal can be deleted
        super.append(event); // TODO should only call force() if immediateFlush && endOfBatch?
    }

    /**
     * Returns the file name this appender is associated with.
     *
     * @return The File name.
     */
    public String getFileName() {
        return this.fileName;
    }

    /**
     * Returns the length of the memory mapped region.
     *
     * @return the length of the memory mapped region
     */
    public int getRegionLength() {

        final PatternParser parser = PatternLayout.createPatternParser(config);
        for (PatternMatch property : properties) {
            try {
                List<PatternFormatter> list = parser.parse(property.getPattern(), alwaysWriteExceptions, noConsoleNoAnsi);
                formatterMap.put(property.getKey(), list.toArray(new PatternFormatter[list.size()]));
                patternMap.put(property.getKey(), property.getPattern());
            } catch (RuntimeException ex) {
                throw new IllegalArgumentException("Cannot parse pattern '" + property.getPattern() + "'", ex);
            }
        }
        try {
            List<PatternFormatter> list = parser.parse(defaultPattern, alwaysWriteExceptions, noConsoleNoAnsi);
            defaultFormatters = list.toArray(new PatternFormatter[list.size()]);
            this.defaultPattern = defaultPattern;
        } catch (RuntimeException ex) {
            throw new IllegalArgumentException("Cannot parse pattern '" + defaultPattern + "'", ex);
        }
    }

    @Override
    public PatternFormatter[] getFormatters(LogEvent event) {

            final FileManager manager, final String filename, final boolean ignoreExceptions,
            final boolean immediateFlush, final Advertiser advertiser) {

        super(name, layout, filter, ignoreExceptions, immediateFlush, manager);
        if (advertiser != null) {
            final Map<String, String> configuration = new HashMap<>(layout.getContentFormat());
            configuration.putAll(manager.getContentFormat());
            configuration.put("contentType", layout.getContentType());
            configuration.put("name", name);
            advertisement = advertiser.advertise(configuration);
        }
        this.fileName = filename;
        this.advertiser = advertiser;
    }

    @Override
    public void stop() {
        super.stop();
        if (advertiser != null) {
            advertiser.unadvertise(advertisement);
        }
    }

        return new MarkerPatternSelector(properties, defaultPattern, alwaysWriteExceptions,
                noConsoleNoAnsi, config);
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        boolean first = true;
        for (Map.Entry<String, String> entry : patternMap.entrySet()) {
            if (!first) {
                sb.append(", ");
            }
            sb.append("key=\"").append(entry.getKey()).append("\", pattern=\"").append(entry.getValue()).append("\"");
            first = false;
        }
        if (!first) {
            sb.append(", ");
        }
        sb.append("default=\"").append(defaultPattern).append("\"");
        return sb.toString();
    }
}

    public static CsvLogEventLayout createLayout(
            // @formatter:off
            @PluginConfiguration final Configuration config,
            @PluginAttribute(value = "format", defaultString = DEFAULT_FORMAT) final String format,
            @PluginAttribute("delimiter") final Character delimiter,
            @PluginAttribute("escape") final Character escape,
            @PluginAttribute("quote") final Character quote,
            @PluginAttribute("quoteMode") final QuoteMode quoteMode,
            @PluginAttribute("nullString") final String nullString,
            @PluginAttribute("recordSeparator") final String recordSeparator,
            @PluginAttribute(value = "charset", defaultString = DEFAULT_CHARSET) final Charset charset,
            @PluginAttribute("header") final String header, 
            @PluginAttribute("footer") final String footer)
            // @formatter:on
    {

        final CSVFormat csvFormat = createFormat(format, delimiter, escape, quote, quoteMode, nullString, recordSeparator);
        return new CsvLogEventLayout(config, charset, csvFormat, header, footer);

    }

    @Override
    public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,
                         final Object... params) {
        return filter(level);
    }

    @Override
    public Result filter(final Logger logger, final Level level, final Marker marker, final Object msg,
                         final Throwable t) {
        return filter(level);
    }

    @Override
    public Result filter(final Logger logger, final Level level, final Marker marker, final Message msg,
                         final Throwable t) {
        return filter(level);
    }

    @Override
    public Result filter(final LogEvent event) {
        return filter(event.getLevel());
    }

    /**
     * Decide if we're going to log <code>event</code> based on whether the
     * maximum burst of log statements has been exceeded.
     *
     * @param level The log level.
     * @return The onMatch value if the filter passes, onMismatch otherwise.
     */
    private Result filter(final Level level) {

        if (name == null) {
            LOGGER.error("No name provided for FileAppender");
            return null;
        }

        if (fileName == null) {
            LOGGER.error("No filename was provided for FileAppender with name "  + name);
            return null;
        }

        if (filePattern == null) {
            LOGGER.error("No filename pattern provided for FileAppender with name "  + name);
            return null;
        }

        if (policy == null) {
            LOGGER.error("A TriggeringPolicy must be provided");
            return null;
        }

        if (strategy == null) {
            strategy = DefaultRolloverStrategy.createStrategy(null, null, null,
                    String.valueOf(Deflater.DEFAULT_COMPRESSION), null, true, config);
        }

        if (layout == null) {
            layout = PatternLayout.createDefaultLayout();
        }

        final RollingFileManager manager = RollingFileManager.getFileManager(fileName, filePattern, isAppend,

                DEFAULT_SLEEP_MILLIS);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.logging.log4j.core.config.ReliabilityStrategy#log(org.apache.logging.log4j.util.Supplier,
     * java.lang.String, java.lang.String, org.apache.logging.log4j.Marker, org.apache.logging.log4j.Level,
     * org.apache.logging.log4j.message.Message, java.lang.Throwable)
     */
    @Override
    public void log(Supplier<LoggerConfig> reconfigured, String loggerName, String fqcn, Marker marker, Level level,
            Message data, Throwable t) {
        loggerConfig.log(loggerName, fqcn, marker, level, data, t);
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.logging.log4j.core.config.ReliabilityStrategy#log(org.apache.logging.log4j.util.Supplier,
     * org.apache.logging.log4j.core.LogEvent)
     */
    @Override
    public void log(Supplier<LoggerConfig> reconfigured, LogEvent event) {
        loggerConfig.log(event);
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.apache.logging.log4j.core.config.ReliabilityStrategy#beforeLogEvent(org.apache.logging.log4j.core.config.
     * LoggerConfig, org.apache.logging.log4j.util.Supplier)
     */
    @Override
    public LoggerConfig getActiveLoggerConfig(Supplier<LoggerConfig> next) {
        return this.loggerConfig;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.logging.log4j.core.config.ReliabilityStrategy#afterLogEvent()
     */
    @Override
    public void afterLogEvent() {
        // no action
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.logging.log4j.core.config.ReliabilityStrategy#beforeStopAppenders()
     */
    @Override
    public void beforeStopAppenders() {
        // no action
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.apache.logging.log4j.core.config.ReliabilityStrategy#beforeStopConfiguration(org.apache.logging.log4j.core
     * .config.Configuration)
     */
    @Override
    public void beforeStopConfiguration(Configuration configuration) {

        return LOGGER.exit(socketServer);
    }

    /**
     * Main startup for the server.
     * 
     * @param args
     *        The command line arguments.
     * @throws Exception
     *         if an error occurs.
     */
    public static void main(final String[] args) throws Exception {
        if (args.length < 1 || args.length > 2) {
            System.err.println("Incorrect number of arguments");
            printUsage();
            return;
        }
        final int port = Integer.parseInt(args[0]);
        if (port <= 0 || port >= MAX_PORT) {
            System.err.println("Invalid port number");
            printUsage();
            return;
        }
        if (args.length == 2 && args[1].length() > 0) {
            ConfigurationFactory.setConfigurationFactory(new ServerConfigurationFactory(args[1]));
        }
        final TcpSocketServer<ObjectInputStream> socketServer = TcpSocketServer.createSerializedSocketServer(port);

    private void setMessage(final Message msg) {
        if (msg instanceof ReusableMessage) {
            ReusableMessage reusable = (ReusableMessage) msg;
            reusable.formatTo(getMessageTextForWriting());
            if (parameters != null) {
                parameters = reusable.swapParameters(parameters);
                parameterCount = reusable.getParameterCount();
            }
        } else {
            // if the Message instance is reused, there is no point in freezing its message here
            if (!Constants.FORMAT_MESSAGES_IN_BACKGROUND && msg != null) { // LOG4J2-898: user may choose
                msg.getFormattedMessage(); // LOG4J2-763: ask message to freeze parameters
            }
            this.message = msg;
        }
    }

    private StringBuilder getMessageTextForWriting() {
        if (messageText == null) {
            // Should never happen:
            // only happens if user logs a custom reused message when Constants.ENABLE_THREADLOCALS is false
            messageText = new StringBuilder(Constants.INITIAL_REUSABLE_MESSAGE_SIZE);
        }
        messageText.setLength(0);
        return messageText;
    }

                    int daysToAdd = 0;
                    if (cDow < dow) {
                        daysToAdd = dow - cDow;
                    }
                    if (cDow > dow) {
                        daysToAdd = dow + (7 - cDow);
                    }

                    int lDay = getLastDayOfMonth(mon, cl.get(Calendar.YEAR));

                    if (day + daysToAdd > lDay) { // did we already miss the
                        // last one?
                        cl.set(Calendar.SECOND, 0);
                        cl.set(Calendar.MINUTE, 0);
                        cl.set(Calendar.HOUR_OF_DAY, 0);
                        cl.set(Calendar.DAY_OF_MONTH, 1);
                        cl.set(Calendar.MONTH, mon);
                        // no '- 1' here because we are promoting the month
                        continue;
                    }

            if (i < s.length() && ((c = s.charAt(i)) == '/')) {
                i++;
                c = s.charAt(i);
                int v2 = Integer.parseInt(String.valueOf(c));
                i++;
                if (i >= s.length()) {
                    addToSet(val, end, v2, type);
                    return i;
                }
                c = s.charAt(i);
                if (c >= '0' && c <= '9') {
                    ValueSet vs = getValue(v2, s, i);
                    int v3 = vs.value;
                    addToSet(val, end, v3, type);
                    i = vs.pos;
                    return i;
                } else {

                statusConfig.withStatus(value.toUpperCase());
            } else if ("dest".equalsIgnoreCase(key)) {
                statusConfig.withDestination(value);
            } else if ("shutdownHook".equalsIgnoreCase(key)) {
                isShutdownHookEnabled = !"disable".equalsIgnoreCase(value);
            } else if ("verbose".equalsIgnoreCase(key)) {
                statusConfig.withVerbosity(value);
            } else if ("packages".equalsIgnoreCase(key)) {
                pluginPackages.addAll(Arrays.asList(value.split(Patterns.COMMA_SEPARATOR)));
            } else if ("name".equalsIgnoreCase(key)) {
                setName(value);
            }

            @PluginAttribute("immediateFlush") final String immediateFlush,
            @PluginElement("Policy") final TriggeringPolicy policy,
            @PluginElement("Strategy") RolloverStrategy strategy,
            @PluginElement("Layout") Layout<? extends Serializable> layout,
            @PluginElement("Filter") final Filter filter,
            @PluginAttribute("ignoreExceptions") final String ignore,
            @PluginAttribute("advertise") final String advertise,
            @PluginAttribute("advertiseURI") final String advertiseURI,
            @PluginConfiguration final Configuration config) {

        final boolean isAppend = Booleans.parseBoolean(append, true);
        final boolean ignoreExceptions = Booleans.parseBoolean(ignore, true);
        final boolean isBuffered = Booleans.parseBoolean(bufferedIO, true);

            final int len = formatters.length;
            for (int i = 0; i < len; i++) {
                formatters[i].format(event, buffer);
            }
            if (replace != null) { // creates temporary objects
                String str = buffer.toString();
                str = replace.format(str);
                buffer.setLength(0);
                buffer.append(str);
            }
            return buffer;
        }

        @Override
        public String toString() {
            StringBuilder builder = new StringBuilder();
            builder.append(super.toString());
            builder.append("[formatters=");