class LogStash::Inputs::BeatsSupport::RawEventTransform


@see [Lumberjack::Beats::Parser]
for backward compatibility
the configured tags in the plugins and normalize the hostname
Take the the raw output from the library, decorate it with

def transform(event) 

def transform(event)
  super(event)
  event.tag("beats_input_raw_event")
  event
end