MessageConverter; delegates to a SyslogToMapTransformer
to convert the payload to a map of values and also provides some of the map
contents as message headers.MessageConverter to convert the byte array payload
of the underlying UDP/TCP message to a Spring Integration message
with decoded payload and headers; default is DefaultMessageConverter.Map generated by the @link SyslogToMapTransformer that
will be added to Spring Integration messages as headers, prefixed by PREFIX.<int-syslog:inbound-channel-adapter/>.UdpSyslogReceivingChannelAdapter
if the protocol is SyslogReceivingChannelAdapterFactoryBean.Protocol.udp or a TcpSyslogReceivingChannelAdapter if
the protocol is SyslogReceivingChannelAdapterFactoryBean.Protocol.tcp.