anchor.diff:  
    
   
  -From Java code tou can get hold of
  +From Java code you can get hold of
   the `com.codahale.metrics.MetricRegistry` from the
   `org.apache.camel.component.metrics.routepolicy.MetricsRegistryService`
   as shown below:
  
positive.code: ----
  // update gauge "simple.gauge" by a bean "mySubjectBean"
  from("direct:in")
      .to("metric:gauge:simple.gauge?subject=#mySubjectBean")
      .to("direct:out");
  ----
  
  
negative.code: // updates meter simple.meter with value 345
  from("direct:in")
      .setHeader(MetricsConstants.HEADER_METER_MARK, constant(345L))
      .to("metrics:meter:simple.meter?mark=123")
      .to("direct:out");
  ----
  
  