anchor.diff:  configurations are provided as environment variables.
   
   [[camel-zipkin-Options]]
  -Options
  -^^^^^^^
  +=== Options
   
   [width="100%",cols="10%,10%,80%",options="header",]
  -|=======================================================================
  +|===
   |Option |Default |Description
   
   |rate |1.0f |Configures a rate that decides how many events should be traced by
  
positive.code: You can use wildcards in the service mapping. To match all outgoing
  calls to the same HTTP server you can do:
  
  ------------------------------------------------------------
  zipkin.addClientServiceMapping("http:someserver*", "audit");
  ------------------------------------------------------------
  
  [[camel-zipkin-Mappingrules]]
  Mapping rules
  +++++++++++++
  
  The service name mapping for server occurs using the following rules
  
  
negative.code:     <property name="serviceName" value="dude"/>
      <property name="spanReporter" ref="http"/>
    </bean>
  ----
  
  [[camel-zipkin-ServiceName]]
  ==== ServiceName
  
  However, if you want to map Camel endpoints to human friendly logical
  names, you can add mappings
  