anchor.diff:  === Boundary of original message
   
   The original input means the input message that are bounded by the current unit of work. An unit of work typically spans one route, or multiple routes if they are connected 
  -using internal endpoints such as direct or seda. When messages is passed via external
  +using internal endpoints such as direct or seda. When messages are passed via external
   endpoints such as JMS or HTT then the consumer will create a new unit of work, with the
   message it received as input as the original input. Also some EIP patterns such as splitter,
   multicast, will create a new unit of work boundary for the messages in their sub-route
  
positive.code: example the following sample shows how to do this with Java DSL and XML
  DSL
  
  And the sample sample with XML DSL
  
  [[deadLetterChannel-Samples]]
  == Samples
  
negative.code: the value, default 1 minute. This can happen if you turn on the
  exponential backoff.
  
  The maximum redeliveries are the number of redelivery attempts. By
  default Camel will try to process the exchange 1 + 5 times. 1 time for
  the normal attempt and then 5 attempts as redeliveries.
  Setting the maximumRedeliveries to a negative value such as -1 will
  