TracingUtil { public static Tracer getTracer(HashMap<String, String> collectorHeaders, Config tracingConfig) { collectorHeaders.put(TRACER_HEADER_APIKEY_STRING, tracingConfig.getString(TRACING_APIKEY_STRING)); collectorHeaders.put(TRACER_HEADER_CLIENTID_STRING, tracingConfig.getString(TRACING_CLIENTID_STRING)); val metricsRegistry = new NoopMetricsRegistry(); val dispatcher = createRemoteDispatcher(metricsRegistry, collectorHeaders, tracingConfig); val textMapPropagator = createTextMapPropagator(); return new Tracer.Builder(metricsRegistry, tracingConfig.getString("clientId"), dispatcher) .withFormat( Format.Builtin.TEXT_MAP, (Extractor<TextMap>) textMapPropagator ).withFormat(Format.Builtin.TEXT_MAP, (Injector<TextMap>) textMapPropagator) .withDualSpanMode() .withIdGenerator(new RandomUUIDGenerator()) .build(); }  static Tracer getTracer(HashMap<String, String> collectorHeaders, Config tracingConfig);  }
@Test public void testGetTracer() { HashMap<String, String> collectorHeaders = new HashMap<>(); val tracer = TracingUtil.getTracer(collectorHeaders, tracingConfig); Assert.assertNotNull(tracer); }