private final String[] loggerNames;

    public ErrorToWarnRewritePolicy(final String[] loggerNames) {
        this.loggerNames = loggerNames;
    }

    @Override
    public LogEvent rewrite(final LogEvent event) {
        final String loggerName = event.getLoggerName();
        if (loggerName == null) {
            return event;
        }
        for (final String name : loggerNames) {