t.Logf("got span %+v, want span %+v", got, want)
		return false
	}
	if len(got.ChildSpans) < len(want.ChildSpans) {
		t.Logf("got %d child spans from, want %d child spans, maybe trace has not be fully reported",
			len(got.ChildSpans), len(want.ChildSpans))
		return false
	} else if len(got.ChildSpans) > len(want.ChildSpans) {

        }

        private StyledTextOutputEvent styledTextEvent(long timestamp, StyledTextOutputEvent.Span... spans) {
            return new StyledTextOutputEvent(timestamp, category, LogLevel.LIFECYCLE, buildOperationIdentifier, Arrays.asList(spans));
        }

        private void doOutput(RenderableOutputEvent event) {

		throw("traceSnapshotMemory: tracing is not enabled")
	}

	// Write out all the heap spans and heap objects.
	for _, s := range mheap_.allspans {
		if s.state.get() == mSpanDead {
			continue
		}
		// It's some kind of span, so trace that it exists.
		trace.SpanExists(s)

		// Write out allocated objects if it's a heap span.
		if s.state.get() != mSpanInUse {
			continue
		}

		// Find all allocated objects.

	"istio.io/istio/tests/integration/telemetry/tracing"
)

// TestServerTracing exercises the trace generation features of Istio, based on the Envoy Trace driver for zipkin.
// The test verifies that all expected spans (a client span and a server span for each service call in the sample bookinfo app)
// are generated and that they are all a part of the same distributed trace with correct hierarchy and name.
//

)

// TestClientTracing exercises the trace generation features of Istio, based on the Envoy Trace driver for zipkin using
// client initiated tracing using envoy traceheader.
// The test verifies that all expected spans (a client span and a server span for each service call in the sample bookinfo app)
// are generated and that they are all a part of the same distributed trace with correct hierarchy and name.
func TestClientTracing(t *testing.T) {

 │                          │
 │  <span style="background-color:#272822"><font color="#FF4689">from</font></span><span style="background-color:#272822"><font color="#F8F8F2"> main </font></span><span style="background-color:#272822"><font color="#FF4689">import</font></span><span style="background-color:#272822"><font color="#F8F8F2"> app</font></span><span style="background-color:#272822">  </span>  │
 │                          │

          {{/* source line */ -}}
          <span class=line>{{printf " %6d" .Line}}</span>{{" " -}}
          <span class={{.HTMLClass}}>
            {{- printf "  %10s %10s %8s  %s " .Flat .Cumulative "" .SrcLine -}}
          </span>{{"" -}}

          {{if .Instructions -}}
            {{/* instructions for this source line */ -}}
            <span class=asm>{{"" -}}
            {{range .Instructions -}}

 │                          │
 │  <span style="background-color:#272822"><font color="#FF4689">from</font></span><span style="background-color:#272822"><font color="#F8F8F2"> main </font></span><span style="background-color:#272822"><font color="#FF4689">import</font></span><span style="background-color:#272822"><font color="#F8F8F2"> app</font></span><span style="background-color:#272822">  </span>  │
 │                          │

 │                          │
 │  <span style="background-color:#272822"><font color="#FF4689">from</font></span><span style="background-color:#272822"><font color="#F8F8F2"> main </font></span><span style="background-color:#272822"><font color="#FF4689">import</font></span><span style="background-color:#272822"><font color="#F8F8F2"> app</font></span><span style="background-color:#272822">  </span>  │
 │                          │

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