var go.opentelemetry.io/otel/trace.nilTraceID

3 uses

	go.opentelemetry.io/otel/trace (current package)
		trace.go#L53: 	nilTraceID TraceID
		trace.go#L54: 	_          json.Marshaler = nilTraceID
		trace.go#L60: 	return !bytes.Equal(t[:], nilTraceID[:])