anchor.diff:  ----
   ZipkinTracer zipkin = new ZipkinTracer();
   // Configure a reporter, which controls how often spans are sent
  -//   (the dependency is io.zipkin.reporter2:zipkin-sender-okhttp3)
  +//   (the dependency is org.apache.zipkin.reporter2:zipkin-sender-okhttp3)
   sender = OkHttpSender.create("http://127.0.0.1:9411/api/v2/spans");
   zipkin.setSpanReporter(AsyncReporter.create(sender));
   // and then add zipkin to the CamelContext
  
positive.code: [source,xml]
  ----
    <!-- configure how to reporter spans to a Zipkin collector
            (the dependency is io.zipkin.reporter2:zipkin-reporter-spring-beans) -->
    <bean id="http" class="zipkin2.reporter.beans.AsyncReporterFactoryBean">
      <property name="sender">
        <bean id="sender" class="zipkin2.reporter.beans.OkHttpSenderFactoryBean">
  
negative.code: 
  Events (span) are captured for incoming and outgoing messages being sent
  to/from Camel.
  
  This means you need to configure which Camel endpoints map
  to zipkin service names.
  