anchor.diff:  NOTE For more detailed examples on how to use any of the following filters, take a look at the https://github.com/spring-cloud/spring-cloud-gateway/tree/master/spring-cloud-gateway-core/src/test/java/org/springframework/cloud/gateway/filter/factory[unit tests].
   
   === AddRequestHeader GatewayFilter Factory
  -The AddRequestHeader GatewayFilter Factory takes a name and value parameter.
  +The `AddRequestHeader` GatewayFilter Factory takes a `name` and `value` parameter.
   
   .application.yml
   [source,yaml]
  
positive.code: This route matches the request has a cookie named `chocolate` who's value matches the `ch.p` regular expression.
  
  === Header Route Predicate Factory
  The Header Route Predicate Factory takes two parameters, the header name and a regular expression. This predicate matches with a header that has the given name and the value matches the regular expression.
  
  .application.yml
  [source,yaml]
  
negative.code: 
  This will send a status 302 with a `Location:https://acme.org` header to perform a redirect.
  
  === RemoveRequestHeader GatewayFilter Factory
  The `RemoveRequestHeader` GatewayFilter Factory takes a `name` parameter. It is the name of the header to be removed.
  
  .application.yml
  [source,yaml]
  